GPT-4.1 Nano

openai/gpt-4.1-nano-2025-04-14

OpenAI's GPT-4.1 Nano, released on 2025-04-14, accepts image, text, and file inputs and generates text output. It provides a context window of 1,047,576 tokens, costs $0.10 per million input tokens and $0.40 per million output tokens, supports tool usage but does not support reasoning, and its weights are not open.

  • tool use
  • structured outputs

At a glance

provideropenai
releasedApr 14, 2025
context1.0M
input / M$0.100

Specifications

What the API gives you

Context window
1.0M tokens
Max output
33K tokens
Input price
$0.100 / 1M tokens
Output price
$0.40 / 1M tokens
Cache read
$0.025 / 1M tokens
Modalities
image, text, file → text
Knowledge cutoff
Jun 30, 2024
Released
Apr 14, 2025

Measured evidence

Public benchmark record

Aider Polyglot
8.9%2026-07-17
Aider Polyglot
8.9%2026-07-21
Aider Polyglot
8.9%2026-07-23
Aider Polyglot
8.9%2026-07-27
Aider Polyglot
8.9%2026-07-28
Aider Polyglot
8.9%2026-07-29
Aider Polyglot
8.9%2026-07-30
Aider Polyglot
8.9%2026-07-31
Aider Polyglot
8.9%2026-08-01
Aider Polyglot
8.9%2026-08-02
Aider Polyglot
8.9%2026-08-05
Aider Polyglot
8.9%2026-08-03
Aider Polyglot
8.9%2026-08-09
Aider Polyglot
8.9%2026-08-04
Aider Polyglot
8.9%2026-08-06
Aider Polyglot
8.9%2026-08-07
Aider Polyglot
8.9%2026-08-14
Aider Polyglot
8.9%2026-08-08
Aider Polyglot
8.9%2026-08-10
Aider Polyglot
8.9%2026-08-11
Aider Polyglot
8.9%2026-08-15
Aider Polyglot
8.9%2026-08-18
Aider Polyglot
8.9%2026-08-12
Aider Polyglot
8.9%2026-08-19
Aider Polyglot
8.9%2026-08-13
Aider Polyglot
8.9%2026-08-20
Aider Polyglot
8.9%2026-08-16
Aider Polyglot
8.9%2026-08-17
Aider Polyglot
8.9%2026-08-21
Aider Polyglot
8.9%2026-08-27
Aider Polyglot
8.9%2026-08-22
Aider Polyglot
8.9%2026-08-23
Aider Polyglot
8.9%2026-08-24
Aider Polyglot
8.9%2026-08-25
Aider Polyglot
8.9%2026-09-05
Aider Polyglot
8.9%2026-08-26
Aider Polyglot
8.9%2026-08-28
Aider Polyglot
8.9%2026-09-06
Aider Polyglot
8.9%2026-08-29
Aider Polyglot
8.9%2026-08-30
Aider Polyglot
8.9%2026-08-31
Aider Polyglot
8.9%2026-09-01
Aider Polyglot
8.9%2026-09-02
Aider Polyglot
8.9%2026-09-03
Aider Polyglot
8.9%2026-09-04
BFCL
33.0%2026-07-28
BFCL
33.0%2026-07-27
BFCL
33.0%2026-07-29
BFCL
33.0%2026-07-30
BFCL
33.0%2026-07-31
BFCL
33.0%2026-08-02
BFCL
33.0%2026-08-01
BFCL
33.0%2026-08-05
BFCL
33.0%2026-08-03
BFCL
33.0%2026-08-09
BFCL
33.0%2026-08-04
BFCL
33.0%2026-08-06
BFCL
33.0%2026-08-07
BFCL
33.0%2026-08-10
BFCL
33.0%2026-08-14
BFCL
33.0%2026-08-08
BFCL
33.0%2026-08-11
BFCL
33.0%2026-08-18
BFCL
33.0%2026-08-15
BFCL
33.0%2026-08-12
BFCL
33.0%2026-08-13
BFCL
33.0%2026-08-19
BFCL
33.0%2026-08-16
BFCL
33.0%2026-08-20
BFCL
33.0%2026-08-27
BFCL
33.0%2026-08-17
BFCL
33.0%2026-08-21
BFCL
33.0%2026-08-22
BFCL
33.0%2026-08-23
BFCL
33.0%2026-08-24
BFCL
33.0%2026-09-05
BFCL
33.0%2026-08-28
BFCL
33.0%2026-08-25
BFCL
33.0%2026-08-26
BFCL
33.0%2026-09-06
BFCL
33.0%2026-08-29
BFCL
33.0%2026-08-30
BFCL
33.0%2026-08-31
BFCL
33.0%2026-09-01
BFCL
33.0%2026-09-02
BFCL
33.0%2026-09-03
BFCL
33.0%2026-09-04
Design Arena Coding
993 Elo2026-07-28
Design Arena Coding
993 Elo2026-07-27
Design Arena Coding
993 Elo2026-07-30
Design Arena Coding
993 Elo2026-07-29
Design Arena Coding
993 Elo2026-07-31
Design Arena Coding
992 Elo2026-08-02
Design Arena Coding
991 Elo2026-08-05
Design Arena Coding
992 Elo2026-08-01
Design Arena Coding
991 Elo2026-08-09
Design Arena Coding
992 Elo2026-08-03
Design Arena Coding
992 Elo2026-08-04
Design Arena Coding
988 Elo2026-08-14
Design Arena Coding
992 Elo2026-08-06
Design Arena Coding
990 Elo2026-08-10
Design Arena Coding
992 Elo2026-08-07
Design Arena Coding
982 Elo2026-08-18
Design Arena Coding
991 Elo2026-08-08
Design Arena Coding
982 Elo2026-08-15
Design Arena Coding
991 Elo2026-08-11
Design Arena Coding
990 Elo2026-08-12
Design Arena Coding
988 Elo2026-08-13
Design Arena Coding
981 Elo2026-08-19
Design Arena Coding
987 Elo2026-08-27
Design Arena Coding
981 Elo2026-08-20
Design Arena Coding
982 Elo2026-08-16
Design Arena Coding
979 Elo2026-09-05
Design Arena Coding
982 Elo2026-08-17
Design Arena Coding
987 Elo2026-08-21
Design Arena Coding
987 Elo2026-08-22
Design Arena Coding
987 Elo2026-08-23
Design Arena Coding
987 Elo2026-08-28
Design Arena Coding
988 Elo2026-08-24
Design Arena Coding
988 Elo2026-08-25
Design Arena Coding
988 Elo2026-08-26
Design Arena Coding
979 Elo2026-09-06
Design Arena Coding
987 Elo2026-08-29
Design Arena Coding
986 Elo2026-08-30
Design Arena Coding
986 Elo2026-08-31
Design Arena Coding
987 Elo2026-09-01
Design Arena Coding
985 Elo2026-09-02
Design Arena Coding
983 Elo2026-09-03
Design Arena Coding
982 Elo2026-09-04
Design Arena UI
953 Elo2026-07-28
Design Arena UI
953 Elo2026-07-27
Design Arena UI
953 Elo2026-07-30
Design Arena UI
953 Elo2026-07-29
Design Arena UI
953 Elo2026-07-31
Design Arena UI
953 Elo2026-08-02
Design Arena UI
953 Elo2026-08-01
Design Arena UI
952 Elo2026-08-05
Design Arena UI
953 Elo2026-08-03
Design Arena UI
949 Elo2026-08-09
Design Arena UI
952 Elo2026-08-04
Design Arena UI
947 Elo2026-08-14
Design Arena UI
951 Elo2026-08-06
Design Arena UI
951 Elo2026-08-07
Design Arena UI
949 Elo2026-08-10
Design Arena UI
949 Elo2026-08-08
Design Arena UI
943 Elo2026-08-18
Design Arena UI
949 Elo2026-08-11
Design Arena UI
944 Elo2026-08-15
Design Arena UI
949 Elo2026-08-12
Design Arena UI
950 Elo2026-08-13
Design Arena UI
943 Elo2026-08-19
Design Arena UI
944 Elo2026-08-16
Design Arena UI
943 Elo2026-08-20
Design Arena UI
942 Elo2026-08-27
Design Arena UI
943 Elo2026-08-17
Design Arena UI
938 Elo2026-09-05
Design Arena UI
942 Elo2026-08-21
Design Arena UI
943 Elo2026-08-22
Design Arena UI
943 Elo2026-08-23
Design Arena UI
943 Elo2026-08-24
Design Arena UI
942 Elo2026-08-28
Design Arena UI
943 Elo2026-08-25
Design Arena UI
943 Elo2026-08-26
Design Arena UI
939 Elo2026-09-06
Design Arena UI
942 Elo2026-08-29
Design Arena UI
942 Elo2026-08-30
Design Arena UI
942 Elo2026-08-31
Design Arena UI
942 Elo2026-09-01
Design Arena UI
941 Elo2026-09-02
Design Arena UI
939 Elo2026-09-03
Design Arena UI
938 Elo2026-09-04
Design Arena Website
998 Elo2026-07-28
Design Arena Website
998 Elo2026-07-30
Design Arena Website
998 Elo2026-07-27
Design Arena Website
998 Elo2026-07-29
Design Arena Website
997 Elo2026-07-31
Design Arena Website
997 Elo2026-08-02
Design Arena Website
996 Elo2026-08-01
Design Arena Website
996 Elo2026-08-05
Design Arena Website
997 Elo2026-08-03
Design Arena Website
995 Elo2026-08-09
Design Arena Website
996 Elo2026-08-04
Design Arena Website
992 Elo2026-08-14
Design Arena Website
996 Elo2026-08-06
Design Arena Website
996 Elo2026-08-07
Design Arena Website
995 Elo2026-08-10
Design Arena Website
995 Elo2026-08-08
Design Arena Website
984 Elo2026-08-18
Design Arena Website
995 Elo2026-08-11
Design Arena Website
984 Elo2026-08-15
Design Arena Website
994 Elo2026-08-12
Design Arena Website
993 Elo2026-08-13
Design Arena Website
984 Elo2026-08-19
Design Arena Website
984 Elo2026-08-16
Design Arena Website
984 Elo2026-08-20
Design Arena Website
992 Elo2026-08-27
Design Arena Website
984 Elo2026-08-17
Design Arena Website
988 Elo2026-09-05
Design Arena Website
992 Elo2026-08-21
Design Arena Website
993 Elo2026-08-22
Design Arena Website
993 Elo2026-08-23
Design Arena Website
993 Elo2026-08-24
Design Arena Website
993 Elo2026-08-28
Design Arena Website
993 Elo2026-08-25
Design Arena Website
993 Elo2026-08-26
Design Arena Website
986 Elo2026-09-06
Design Arena Website
992 Elo2026-08-29
Design Arena Website
992 Elo2026-08-30
Design Arena Website
992 Elo2026-08-31
Design Arena Website
992 Elo2026-09-01
Design Arena Website
991 Elo2026-09-02
Design Arena Website
989 Elo2026-09-03
Design Arena Website
988 Elo2026-09-04
LMArena Creative Writing
1261 Elo2026-07-21
LMArena Creative Writing
1261 Elo2026-07-27
LMArena Creative Writing
1261 Elo2026-07-30
LMArena Creative Writing
1261 Elo2026-08-02
LMArena Creative Writing
1261 Elo2026-08-03
LMArena Creative Writing
1261 Elo2026-08-06
LMArena Creative Writing
1260 Elo2026-08-12
LMArena Creative Writing
1260 Elo2026-08-21
LMArena Creative Writing
1260 Elo2026-09-02
LMArena Creative Writing
1260 Elo2026-08-27
LMArena Creative Writing
1260 Elo2026-09-01
LMArena Long Query
1283 Elo2026-07-21
LMArena Long Query
1283 Elo2026-07-27
LMArena Long Query
1283 Elo2026-07-30
LMArena Long Query
1283 Elo2026-08-02
LMArena Long Query
1283 Elo2026-08-03
LMArena Long Query
1283 Elo2026-08-06
LMArena Long Query
1282 Elo2026-08-12
LMArena Long Query
1282 Elo2026-08-21
LMArena Long Query
1282 Elo2026-09-02
LMArena Long Query
1283 Elo2026-08-27
LMArena Long Query
1283 Elo2026-09-01
LMArena Math
1274 Elo2026-07-21
LMArena Math
1274 Elo2026-07-27
LMArena Math
1274 Elo2026-07-30
LMArena Math
1274 Elo2026-08-02
LMArena Math
1274 Elo2026-08-03
LMArena Math
1274 Elo2026-08-06
LMArena Math
1274 Elo2026-08-12
LMArena Math
1274 Elo2026-08-21
LMArena Math
1274 Elo2026-09-01
LMArena Math
1274 Elo2026-08-27
LMArena Text
1322 Elo2026-07-21
LMArena Text
1322 Elo2026-07-27
LMArena Text
1322 Elo2026-07-30
LMArena Text
1322 Elo2026-08-02
LMArena Text
1322 Elo2026-08-10
LMArena Text
1322 Elo2026-08-06
LMArena Text
1322 Elo2026-08-03
LMArena Text
1322 Elo2026-08-21
LMArena Text
1322 Elo2026-08-12
LMArena Text
1322 Elo2026-09-01
LMArena Text
1322 Elo2026-09-02
LMArena Text
1322 Elo2026-08-27
LMArena Vision
1089 Elo2026-07-21
LMArena Vision
1090 Elo2026-07-26
LMArena Vision
1090 Elo2026-07-30
LMArena Vision
1089 Elo2026-08-02
LMArena Vision
1089 Elo2026-08-06
LMArena Vision
1089 Elo2026-08-21
LMArena Vision
1089 Elo2026-08-27
SWE-rebench
0.3% ± 02025-08-01text

LMArena data licensed CC-BY-4.0. Aider (Apache-2.0) and SWE-bench (MIT) are open. Design Arena uses blind human preference. Submitted scaffold plus model result. Compare the harness and effort settings, not only the model name.

Task evidence

How broad is the support?

Each status is exact to this model version and the selected task. Official release claims remain provisional.

  • 60% of intended weighted task evidence across 2 independent sources. 6 of 6 configured evaluation feeds currently have results.

  • Best LLM for Business WritingProvisional evidence

    70% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from LiveBench Instruction Following. 5 of 5 configured evaluation feeds currently have results.

  • Best LLM for Marketing CopyProvisional evidence

    70% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from LiveBench Instruction Following. 5 of 5 configured evaluation feeds currently have results.

  • Best LLM for Chat & RoleplayProvisional evidence

    70% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from LiveBench Instruction Following or LiveBench Language. 5 of 5 configured evaluation feeds currently have results.

  • 70% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from LiveBench Instruction Following or LiveBench Language. 5 of 5 configured evaluation feeds currently have results.

  • 65% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from LMArena Agent or LMArena Search. 4 of 5 configured evaluation feeds currently have results.

  • Best LLM for Creative WritingProvisional evidence

    60% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from LiveBench Instruction Following or LiveBench Language. 5 of 5 configured evaluation feeds currently have results.

  • Best LLM for WritingProvisional evidence

    60% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from LiveBench Instruction Following or LiveBench Language. 5 of 5 configured evaluation feeds currently have results.

  • Best LLM for Frontend & UIProvisional evidence

    60% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from LiveBench Coding or LMArena WebDev. 5 of 5 configured evaluation feeds currently have results.

  • Best Local LLM for CodingProvisional evidence

    56% of intended weighted task evidence across 2 independent sources; broader independent confirmation is still missing from LiveBench Coding or LMArena WebDev. 5 of 5 configured evaluation feeds currently have results.

  • Best LLM for Hermes AgentProvisional evidence

    55% of intended weighted task evidence across 2 independent sources; broader independent confirmation is still missing from LMArena Agent or Terminal-Bench 2.1. 5 of 5 configured evaluation feeds currently have results.

  • Best LLM for OpenHandsProvisional evidence

    55% of intended weighted task evidence across 2 independent sources; broader independent confirmation is still missing from LMArena Agent or Terminal-Bench 2.1. 5 of 5 configured evaluation feeds currently have results.

  • Best LLM for GooseProvisional evidence

    55% of intended weighted task evidence across 2 independent sources; broader independent confirmation is still missing from LMArena Agent or Terminal-Bench 2.1. 5 of 5 configured evaluation feeds currently have results.

  • Best LLM for OpenClawProvisional evidence

    55% of intended weighted task evidence across 2 independent sources; broader independent confirmation is still missing from LMArena Agent or Terminal-Bench 2.1. 5 of 5 configured evaluation feeds currently have results.

  • 55% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from LiveBench Reasoning or VLMEvalKit tasks. 3 of 4 configured evaluation feeds currently have results.

  • 55% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from LiveBench Instruction Following or LiveBench Reasoning. 5 of 5 configured evaluation feeds currently have results.

  • Best LLM for CodingProvisional evidence

    50% of intended weighted task evidence across 3 independent sources; broader independent confirmation is still missing from LiveBench Coding or LMArena WebDev. 8 of 8 configured evaluation feeds currently have results.

  • 50% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from LiveBench Instruction Following or LiveBench Reasoning. 5 of 5 configured evaluation feeds currently have results.

  • Best LLM for AI AgentsProvisional evidence

    50% of intended weighted task evidence across 2 independent sources; broader independent confirmation is still missing from LiveBench Agentic Coding or LMArena Agent. 7 of 7 configured evaluation feeds currently have results.

  • Best LLM for Competition MathProvisional evidence

    40% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from LiveBench Mathematics or LiveBench Reasoning. 5 of 5 configured evaluation feeds currently have results.

  • Best LLM for Math & ReasoningProvisional evidence

    40% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from LiveBench Mathematics or LiveBench Reasoning. 5 of 5 configured evaluation feeds currently have results.

  • Best Value LLMProvisional evidence

    36% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from LiveBench Instruction Following or Route reliability. 3 of 4 configured evaluation feeds currently have results.

  • 33% of intended weighted task evidence across 2 independent sources; broader independent confirmation is still missing from LiveBench Data Analysis or Structured-output eval. 4 of 5 configured evaluation feeds currently have results.

  • 33% of intended weighted task evidence across 2 independent sources; broader independent confirmation is still missing from LiveBench Data Analysis or Structured-output eval. 4 of 5 configured evaluation feeds currently have results.

  • 33% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from LiveBench Instruction Following or Route reliability. 3 of 4 configured evaluation feeds currently have results.

  • Best LLM for Code CompletionProvisional evidence

    31% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from LiveBench Coding or LMArena WebDev. 4 of 4 configured evaluation feeds currently have results.

  • Best LLM for Autonomous AgentsProvisional evidence

    29% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from Frontier-Bench or LiveBench Agentic Coding. 7 of 7 configured evaluation feeds currently have results.

  • Best LLM for Fast SummariesProvisional evidence

    29% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from LiveBench Instruction Following or Route reliability. 3 of 4 configured evaluation feeds currently have results.

  • 25% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from LiveBench Instruction Following or LiveBench Language. 4 of 5 configured evaluation feeds currently have results.

  • Best Cheap LLM for High VolumeProvisional evidence

    25% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from LiveBench Instruction Following or Route reliability. 3 of 4 configured evaluation feeds currently have results.

  • 25% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from LiveBench Instruction Following or LiveBench Language. 4 of 5 configured evaluation feeds currently have results.

  • Cheapest Capable LLMProvisional evidence

    25% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from LiveBench Instruction Following or Route reliability. 3 of 4 configured evaluation feeds currently have results.

  • Best LLM for TranslationProvisional evidence

    25% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from LiveBench Instruction Following or LiveBench Language. 4 of 5 configured evaluation feeds currently have results.

  • Best LLM for Massive ContextProvisional evidence

    25% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from LMArena Document or LongBench v2. 3 of 4 configured evaluation feeds currently have results.

  • Best LLM for OCR & DocumentsProvisional evidence

    25% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from LMArena Document or Structured-output eval. 3 of 5 configured evaluation feeds currently have results.

  • 25% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from LMArena Document or Structured-output eval. 3 of 5 configured evaluation feeds currently have results.

  • Best LLM for Charts & DiagramsProvisional evidence

    25% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from LMArena Document or Structured-output eval. 3 of 5 configured evaluation feeds currently have results.

  • Best LLM for Document ParsingProvisional evidence

    25% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from LMArena Document or Structured-output eval. 3 of 5 configured evaluation feeds currently have results.

  • Best LLM for Agentic CodingProvisional evidence

    23% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from Design Arena Full-stack or Design Arena Web-apps. 8 of 8 configured evaluation feeds currently have results.

  • 20% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from FACTS Grounding or LiveBench Instruction Following. 4 of 6 configured evaluation feeds currently have results.

  • Best LLM for SummarizationProvisional evidence

    20% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from FACTS Grounding or LiveBench Instruction Following. 4 of 6 configured evaluation feeds currently have results.

  • 20% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from LMArena Agent or OSWorld Verified. 4 of 4 configured evaluation feeds currently have results.

  • 18% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from FACTS Grounding or LMArena Document. 4 of 6 configured evaluation feeds currently have results.

  • 13% of intended weighted task evidence across 0 independent sources; broader independent confirmation is still missing from LiveBench Data Analysis or Route reliability. 2 of 4 configured evaluation feeds currently have results.

  • Best LLM for Grounded RAGProvisional evidence

    10% of intended weighted task evidence across 0 independent sources; broader independent confirmation is still missing from CRAG or FACTS Grounding. 2 of 5 configured evaluation feeds currently have results.

Recommendation coverage

Where this model appears

Not currently included in a published recommendation. The task evidence panel above says exactly what is confirmed and what is still missing.

Catalog data via OpenRouter and models.dev. Last checked within the past 6 hours.