Claude Opus 4

anthropic/claude-4-opus-20250522

Claude Opus 4, released by Anthropic on 2025‑05‑14, accepts image, text, and file inputs and produces text output. It supports tool use and reasoning, offers a context length of 200 000 tokens, and is priced at $15 per million input tokens and $75 per million output tokens. The model’s weights are not publicly available.

  • tool use
  • reasoning

At a glance

provideranthropic
releasedMay 14, 2025
context200K
input / M$15

Specifications

What the API gives you

Context window
200K tokens
Max output
32K tokens
Input price
$15 / 1M tokens
Output price
$75 / 1M tokens
Cache read
$1.50 / 1M tokens
Modalities
image, text, file → text
Knowledge cutoff
Jan 31, 2025
Released
May 14, 2025

Measured evidence

Public benchmark record

Aider Polyglot
72%2026-07-17
Aider Polyglot
72%2026-07-21
Aider Polyglot
72%2026-07-23
Aider Polyglot
72%2026-07-27
Aider Polyglot
72%2026-07-28
Aider Polyglot
72%2026-07-29
Aider Polyglot
72%2026-07-30
Aider Polyglot
72%2026-07-31
Aider Polyglot
72%2026-08-10
Aider Polyglot
72%2026-08-01
Aider Polyglot
72%2026-08-02
Aider Polyglot
72%2026-08-05
Aider Polyglot
72%2026-08-03
Aider Polyglot
72%2026-08-09
Aider Polyglot
72%2026-08-04
Aider Polyglot
72%2026-08-06
Aider Polyglot
72%2026-08-07
Aider Polyglot
72%2026-08-14
Aider Polyglot
72%2026-08-08
Aider Polyglot
72%2026-08-11
Aider Polyglot
72%2026-08-18
Aider Polyglot
72%2026-08-12
Aider Polyglot
72%2026-08-19
Aider Polyglot
72%2026-08-13
Aider Polyglot
72%2026-08-15
Aider Polyglot
72%2026-08-20
Aider Polyglot
72%2026-08-16
Aider Polyglot
72%2026-08-17
Aider Polyglot
72%2026-08-21
Aider Polyglot
72%2026-08-27
Aider Polyglot
72%2026-08-22
Aider Polyglot
72%2026-08-23
Aider Polyglot
72%2026-08-24
Aider Polyglot
72%2026-08-25
Aider Polyglot
72%2026-09-05
Aider Polyglot
72%2026-08-26
Aider Polyglot
72%2026-08-28
Aider Polyglot
72%2026-09-06
Aider Polyglot
72%2026-08-29
Aider Polyglot
72%2026-08-30
Aider Polyglot
72%2026-08-31
Aider Polyglot
72%2026-09-01
Aider Polyglot
72%2026-09-02
Aider Polyglot
72%2026-09-03
Aider Polyglot
72%2026-09-04
Design Arena Coding
1191 Elo2026-07-28
Design Arena Coding
1191 Elo2026-07-27
Design Arena Coding
1191 Elo2026-07-30
Design Arena Coding
1191 Elo2026-07-29
Design Arena Coding
1191 Elo2026-07-31
Design Arena Coding
1190 Elo2026-08-02
Design Arena Coding
1189 Elo2026-08-05
Design Arena Coding
1190 Elo2026-08-01
Design Arena Coding
1188 Elo2026-08-09
Design Arena Coding
1190 Elo2026-08-03
Design Arena Coding
1190 Elo2026-08-04
Design Arena Coding
1186 Elo2026-08-14
Design Arena Coding
1190 Elo2026-08-06
Design Arena Coding
1188 Elo2026-08-10
Design Arena Coding
1190 Elo2026-08-07
Design Arena Coding
1180 Elo2026-08-18
Design Arena Coding
1189 Elo2026-08-08
Design Arena Coding
1180 Elo2026-08-15
Design Arena Coding
1188 Elo2026-08-11
Design Arena Coding
1187 Elo2026-08-12
Design Arena Coding
1186 Elo2026-08-13
Design Arena Coding
1179 Elo2026-08-19
Design Arena Coding
1185 Elo2026-08-27
Design Arena Coding
1179 Elo2026-08-20
Design Arena Coding
1180 Elo2026-08-16
Design Arena Coding
1177 Elo2026-09-05
Design Arena Coding
1180 Elo2026-08-17
Design Arena Coding
1185 Elo2026-08-21
Design Arena Coding
1185 Elo2026-08-22
Design Arena Coding
1185 Elo2026-08-23
Design Arena Coding
1185 Elo2026-08-28
Design Arena Coding
1186 Elo2026-08-24
Design Arena Coding
1186 Elo2026-08-25
Design Arena Coding
1186 Elo2026-08-26
Design Arena Coding
1177 Elo2026-09-06
Design Arena Coding
1185 Elo2026-08-29
Design Arena Coding
1184 Elo2026-08-30
Design Arena Coding
1184 Elo2026-08-31
Design Arena Coding
1185 Elo2026-09-01
Design Arena Coding
1183 Elo2026-09-02
Design Arena Coding
1181 Elo2026-09-03
Design Arena Coding
1180 Elo2026-09-04
Design Arena UI
1189 Elo2026-07-28
Design Arena UI
1190 Elo2026-07-27
Design Arena UI
1189 Elo2026-07-30
Design Arena UI
1190 Elo2026-07-29
Design Arena UI
1189 Elo2026-07-31
Design Arena UI
1190 Elo2026-08-02
Design Arena UI
1189 Elo2026-08-01
Design Arena UI
1189 Elo2026-08-05
Design Arena UI
1186 Elo2026-08-09
Design Arena UI
1189 Elo2026-08-03
Design Arena UI
1189 Elo2026-08-04
Design Arena UI
1184 Elo2026-08-14
Design Arena UI
1188 Elo2026-08-06
Design Arena UI
1188 Elo2026-08-07
Design Arena UI
1186 Elo2026-08-10
Design Arena UI
1186 Elo2026-08-08
Design Arena UI
1180 Elo2026-08-18
Design Arena UI
1186 Elo2026-08-11
Design Arena UI
1182 Elo2026-08-15
Design Arena UI
1186 Elo2026-08-12
Design Arena UI
1187 Elo2026-08-13
Design Arena UI
1181 Elo2026-08-19
Design Arena UI
1181 Elo2026-08-16
Design Arena UI
1181 Elo2026-08-20
Design Arena UI
1179 Elo2026-08-27
Design Arena UI
1180 Elo2026-08-17
Design Arena UI
1175 Elo2026-09-05
Design Arena UI
1180 Elo2026-08-21
Design Arena UI
1180 Elo2026-08-22
Design Arena UI
1180 Elo2026-08-23
Design Arena UI
1180 Elo2026-08-24
Design Arena UI
1179 Elo2026-08-28
Design Arena UI
1180 Elo2026-08-25
Design Arena UI
1181 Elo2026-08-26
Design Arena UI
1176 Elo2026-09-06
Design Arena UI
1179 Elo2026-08-29
Design Arena UI
1180 Elo2026-08-30
Design Arena UI
1179 Elo2026-08-31
Design Arena UI
1179 Elo2026-09-01
Design Arena UI
1179 Elo2026-09-02
Design Arena UI
1177 Elo2026-09-03
Design Arena UI
1175 Elo2026-09-04
Design Arena Website
1189 Elo2026-07-28
Design Arena Website
1189 Elo2026-07-30
Design Arena Website
1190 Elo2026-07-27
Design Arena Website
1189 Elo2026-07-29
Design Arena Website
1189 Elo2026-07-31
Design Arena Website
1188 Elo2026-08-02
Design Arena Website
1188 Elo2026-08-01
Design Arena Website
1188 Elo2026-08-05
Design Arena Website
1189 Elo2026-08-03
Design Arena Website
1187 Elo2026-08-09
Design Arena Website
1188 Elo2026-08-04
Design Arena Website
1184 Elo2026-08-14
Design Arena Website
1188 Elo2026-08-06
Design Arena Website
1188 Elo2026-08-07
Design Arena Website
1187 Elo2026-08-10
Design Arena Website
1187 Elo2026-08-08
Design Arena Website
1176 Elo2026-08-18
Design Arena Website
1187 Elo2026-08-11
Design Arena Website
1176 Elo2026-08-15
Design Arena Website
1186 Elo2026-08-12
Design Arena Website
1185 Elo2026-08-13
Design Arena Website
1176 Elo2026-08-19
Design Arena Website
1176 Elo2026-08-16
Design Arena Website
1176 Elo2026-08-20
Design Arena Website
1184 Elo2026-08-27
Design Arena Website
1176 Elo2026-08-17
Design Arena Website
1180 Elo2026-09-05
Design Arena Website
1184 Elo2026-08-21
Design Arena Website
1185 Elo2026-08-22
Design Arena Website
1185 Elo2026-08-23
Design Arena Website
1185 Elo2026-08-24
Design Arena Website
1185 Elo2026-08-28
Design Arena Website
1185 Elo2026-08-25
Design Arena Website
1185 Elo2026-08-26
Design Arena Website
1178 Elo2026-09-06
Design Arena Website
1184 Elo2026-08-29
Design Arena Website
1184 Elo2026-08-30
Design Arena Website
1184 Elo2026-08-31
Design Arena Website
1184 Elo2026-09-01
Design Arena Website
1183 Elo2026-09-02
Design Arena Website
1181 Elo2026-09-03
Design Arena Website
1180 Elo2026-09-04
LMArena Creative Writing
1375 Elo2026-07-21
LMArena Creative Writing
1384 Elo2026-07-27
LMArena Creative Writing
1384 Elo2026-07-30
LMArena Creative Writing
1384 Elo2026-08-02
LMArena Creative Writing
1384 Elo2026-08-03
LMArena Creative Writing
1384 Elo2026-08-06
LMArena Creative Writing
1385 Elo2026-08-12
LMArena Creative Writing
1385 Elo2026-08-21
LMArena Creative Writing
1386 Elo2026-09-02
LMArena Creative Writing
1386 Elo2026-08-27
LMArena Creative Writing
1386 Elo2026-09-01
LMArena Long Query
1402 Elo2026-07-21
LMArena Long Query
1422 Elo2026-07-27
LMArena Long Query
1421 Elo2026-08-06
LMArena Long Query
1422 Elo2026-07-30
LMArena Long Query
1422 Elo2026-08-02
LMArena Long Query
1422 Elo2026-08-03
LMArena Long Query
1421 Elo2026-08-12
LMArena Long Query
1421 Elo2026-08-21
LMArena Long Query
1422 Elo2026-09-02
LMArena Long Query
1422 Elo2026-08-27
LMArena Long Query
1422 Elo2026-09-01
LMArena Math
1373 Elo2026-07-21
LMArena Math
1390 Elo2026-07-27
LMArena Math
1390 Elo2026-07-30
LMArena Math
1390 Elo2026-08-02
LMArena Math
1390 Elo2026-08-03
LMArena Math
1390 Elo2026-08-06
LMArena Math
1391 Elo2026-08-12
LMArena Math
1391 Elo2026-08-21
LMArena Math
1392 Elo2026-09-01
LMArena Math
1392 Elo2026-08-27
LMArena Text
1413 Elo2026-07-21
LMArena Text
1425 Elo2026-07-27
LMArena Text
1425 Elo2026-07-30
LMArena Text
1425 Elo2026-08-10
LMArena Text
1425 Elo2026-08-02
LMArena Text
1425 Elo2026-08-06
LMArena Text
1425 Elo2026-08-03
LMArena Text
1425 Elo2026-08-21
LMArena Text
1425 Elo2026-08-12
LMArena Text
1426 Elo2026-09-01
LMArena Text
1426 Elo2026-08-27
LMArena Text
1426 Elo2026-09-02
LMArena Vision
1175 Elo2026-07-12
LMArena Vision
1188 Elo2026-07-21
LMArena Vision
1189 Elo2026-07-26
LMArena Vision
1189 Elo2026-07-30
LMArena Vision
1189 Elo2026-08-02
LMArena Vision
1189 Elo2026-08-06
LMArena Vision
1189 Elo2026-08-21
LMArena Vision
1189 Elo2026-08-27
SWE-bench Verified
75.2%2025-06-12
SWE-bench Verified
73.2%2025-05-22

LMArena data licensed CC-BY-4.0. Aider (Apache-2.0) and SWE-bench (MIT) are open. Design Arena uses blind human preference.

Task evidence

How broad is the support?

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

  • 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.

  • 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.

  • 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.

  • 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 Local LLM for CodingProvisional evidence

    41% 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.

  • 40% of intended weighted task evidence across 2 independent sources; broader independent confirmation is still missing from LiveBench Coding or LMArena WebDev. 6 of 6 configured evaluation feeds currently have results.

  • Best LLM for CodingProvisional evidence

    40% 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.

  • 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 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 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.

  • 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.

  • 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.

  • 17% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from Berkeley Function Calling or LiveBench Data Analysis. 4 of 5 configured evaluation feeds currently have results.

  • 17% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from Berkeley Function Calling or LiveBench Data Analysis. 4 of 5 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.

  • 10% of intended weighted task evidence across 0 independent sources; broader independent confirmation is still missing from Berkeley Function Calling or LMArena Agent. 4 of 5 configured evaluation feeds currently have results.

  • 10% of intended weighted task evidence across 0 independent sources; broader independent confirmation is still missing from Berkeley Function Calling or LMArena Agent. 4 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.

  • Best LLM for Hermes AgentProvisional evidence

    6% of intended weighted task evidence across 0 independent sources; broader independent confirmation is still missing from Berkeley Function Calling or LMArena Agent. 5 of 5 configured evaluation feeds currently have results.

  • Best LLM for OpenHandsProvisional evidence

    6% of intended weighted task evidence across 0 independent sources; broader independent confirmation is still missing from Berkeley Function Calling or LMArena Agent. 5 of 5 configured evaluation feeds currently have results.

  • Best LLM for GooseProvisional evidence

    6% of intended weighted task evidence across 0 independent sources; broader independent confirmation is still missing from Berkeley Function Calling or LMArena Agent. 5 of 5 configured evaluation feeds currently have results.

  • Best LLM for OpenClawProvisional evidence

    6% of intended weighted task evidence across 0 independent sources; broader independent confirmation is still missing from Berkeley Function Calling or LMArena Agent. 5 of 5 configured evaluation feeds currently have results.

  • Best LLM for Agentic CodingProvisional evidence

    5% of intended weighted task evidence across 0 independent sources; 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.

  • Best LLM for Autonomous AgentsProvisional evidence

    5% of intended weighted task evidence across 0 independent sources; 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 AI AgentsProvisional evidence

    5% of intended weighted task evidence across 0 independent sources; broader independent confirmation is still missing from Berkeley Function Calling or LiveBench Agentic Coding. 7 of 7 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.