GPT-5.4
openai/gpt-5.4-20260305
This model accepts text, image, and file inputs and generates text outputs. It has a context length of 1,050,000 tokens and supports tools and reasoning. Pricing is $2.5 per million input tokens and $15 per million output tokens.
- tool use
- structured outputs
- reasoning
At a glance
Specifications
What the API gives you
- Context window
- 1.1M tokens
- Max output
- 128K tokens
- Input price
- $2.50 / 1M tokens
- Output price
- $15 / 1M tokens
- Cache read
- $0.25 / 1M tokens
- Modalities
- text, image, file → text
- Knowledge cutoff
- —
- Released
- Feb 26, 2026
Measured evidence
Public benchmark record
- Aider Polyglot
- 44.9%2026-10-21
- Design Arena Coding
- 1178 Elo2026-10-21
- Design Arena Full-stack Agent
- 1017 Elo2026-10-14
- Design Arena UI
- 1199 Elo2026-10-21
- Design Arena Web-app Agent
- 1058 Elo2026-10-21
- Design Arena Website
- 1198 Elo2026-10-21
- FACTS Grounding
- 70.3%2026-10-21
- LiveBench Agentic Coding
- 53.8%2026-10-18
- LiveBench Coding
- 77.5%2026-10-18
- LiveBench Data Analysis
- 79.3%2026-10-18
- LiveBench Instruction Following
- 70.2%2026-10-18
- LiveBench Language
- 82.6%2026-10-18
- LiveBench Math
- 94.2%2026-10-18
- LiveBench Reasoning
- 88.1%2026-10-18
- LMArena Agent‡
- 1.42026-10-20high effort
- LMArena Agent Bash Recovery‡
- 1.22026-10-08high effort
- LMArena Agent Steerability‡
- 72026-10-20high effort
- LMArena Agent Task Outcome‡
- -4.92026-10-20high effort
- LMArena Agent Tool Hallucination‡
- 0.32026-10-20high effort
- LMArena Creative Writing‡
- 1439 Elo2026-10-20high effort
- LMArena Instruction Following‡
- 1469 Elo2026-10-20high effort
- LMArena Long Query‡
- 1473 Elo2026-10-20high effort
- LMArena Math‡
- 1488 Elo2026-10-20high effort
- LMArena Text‡
- 1475 Elo2026-10-20high effort
- LMArena Text Factuality‡
- 1484 Elo2026-10-20high effort
- LMArena Vision‡
- 1284 Elo2026-10-19high effort
- LMArena Vision Diagrams‡
- 1321 Elo2026-10-19high effort
- LMArena Vision OCR‡
- 1299 Elo2026-10-19high effort
- LMArena WebDev
- 1401 Elo2026-10-19
- LMArena WebDev Image-to-Web
- 1436 Elo2026-10-19
- tau2-bench (1.0.1)‡
- 39.4%2026-05-06xhigh effort, evaluated 2026-05-06
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.
- Best LLM for Code CompletionEstablished evidence
100% of intended weighted task evidence across 3 independent sources. 3 of 3 configured evaluation feeds currently have results.
- Best LLM for Business WritingEstablished evidence
100% of intended weighted task evidence across 2 independent sources. 4 of 4 configured evaluation feeds currently have results.
- Best LLM for Marketing CopyEstablished evidence
100% of intended weighted task evidence across 2 independent sources. 4 of 4 configured evaluation feeds currently have results.
- Best LLM for Chat & RoleplayEstablished evidence
100% of intended weighted task evidence across 2 independent sources. 4 of 4 configured evaluation feeds currently have results.
- Best LLM for Creative WritingEstablished evidence
100% of intended weighted task evidence across 2 independent sources. 4 of 4 configured evaluation feeds currently have results.
- Best LLM for Frontend & UIEstablished evidence
100% of intended weighted task evidence across 3 independent sources. 6 of 6 configured evaluation feeds currently have results.
Show all 45 tasks
- Best LLM for WritingEstablished evidence
100% of intended weighted task evidence across 2 independent sources. 4 of 4 configured evaluation feeds currently have results.
- Best LLM for Roleplay & CharacterEstablished evidence
100% of intended weighted task evidence across 2 independent sources. 4 of 4 configured evaluation feeds currently have results.
- Best LLM for a General AssistantEstablished evidence
91% of intended weighted task evidence across 2 independent sources. 6 of 6 configured evaluation feeds currently have results.
- Best LLM for Document SummarizationEstablished evidence
85% of intended weighted task evidence across 3 independent sources. 5 of 6 configured evaluation feeds currently have results.
- Best LLM for SummarizationEstablished evidence
85% of intended weighted task evidence across 3 independent sources. 5 of 6 configured evaluation feeds currently have results.
- Best Local LLM for CodingEstablished evidence
85% of intended weighted task evidence across 3 independent sources. 4 of 4 configured evaluation feeds currently have results.
- Best LLM for Logic & Problem SolvingEstablished evidence
82% of intended weighted task evidence across 2 independent sources. 5 of 5 configured evaluation feeds currently have results.
- Best LLM for Math & ReasoningEstablished evidence
76% of intended weighted task evidence across 2 independent sources. 7 of 7 configured evaluation feeds currently have results.
- Best LLM for Competition MathEstablished evidence
70% of intended weighted task evidence across 2 independent sources. 6 of 6 configured evaluation feeds currently have results.
- Best LLM for CodingEstablished evidence
64% of intended weighted task evidence across 4 independent sources. 7 of 7 configured evaluation feeds currently have results.
- Best Open-Weight LLM for Self-HostingEstablished evidence
64% of intended weighted task evidence across 2 independent sources. 2 of 3 configured evaluation feeds currently have results.
- Best LLM for Image UnderstandingEstablished evidence
61% of intended weighted task evidence across 2 independent sources. 2 of 3 configured evaluation feeds currently have results.
- Best LLM for RAG & Long ContextEstablished evidence
61% of intended weighted task evidence across 2 independent sources. 5 of 6 configured evaluation feeds currently have results.
- Best LLM for Tool & Function CallingEstablished evidence
58% of intended weighted task evidence across 2 independent sources. 6 of 7 configured evaluation feeds currently have results.
- Best LLM for Fast SummariesEstablished evidence
58% of intended weighted task evidence across 2 independent sources. 2 of 3 configured evaluation feeds currently have results.
- Best Value LLMEstablished evidence
58% of intended weighted task evidence across 2 independent sources. 2 of 3 configured evaluation feeds currently have results.
- Best LLM for Debugging & Code ReviewEstablished evidence
56% of intended weighted task evidence across 3 independent sources. 5 of 5 configured evaluation feeds currently have results.
- Best LLM for Agentic CodingEstablished evidence
55% of intended weighted task evidence across 3 independent sources. 7 of 7 configured evaluation feeds currently have results.
- Best LLM for Literary TranslationEstablished evidence
50% of intended weighted task evidence across 2 independent sources. 3 of 4 configured evaluation feeds currently have results.
- Best LLM for Everyday TranslationEstablished evidence
50% of intended weighted task evidence across 2 independent sources. 3 of 4 configured evaluation feeds currently have results.
- Best LLM for TranslationEstablished evidence
50% of intended weighted task evidence across 2 independent sources. 3 of 4 configured evaluation feeds currently have results.
- Best LLM for Grounded RAGEstablished evidence
48% of intended weighted task evidence across 2 independent sources. 5 of 7 configured evaluation feeds currently have results.
- Best LLM for AI AgentsEstablished evidence
43% of intended weighted task evidence across 3 independent sources. 9 of 9 configured evaluation feeds currently have results.
- Best Cheap LLM for High VolumeEstablished evidence
40% of intended weighted task evidence across 2 independent sources. 2 of 3 configured evaluation feeds currently have results.
- Cheapest Capable LLMEstablished evidence
40% of intended weighted task evidence across 2 independent sources. 2 of 3 configured evaluation feeds currently have results.
- Best LLM for Autonomous AgentsEstablished evidence
36% of intended weighted task evidence across 2 independent sources. 6 of 6 configured evaluation feeds currently have results.
- Best LLM for JSON & Schema OutputEstablished evidence
35% of intended weighted task evidence across 2 independent sources. 3 of 4 configured evaluation feeds currently have results.
- Best LLM for Structured Data ExtractionEstablished evidence
35% of intended weighted task evidence across 2 independent sources. 3 of 4 configured evaluation feeds currently have results.
- Best LLM for OCR & DocumentsProvisional evidence
65% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from Structured-output eval or VLMEvalKit tasks. 3 of 5 configured evaluation feeds currently have results.
- Best LLM for Charts & DiagramsProvisional evidence
65% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from Structured-output eval or VLMEvalKit tasks. 3 of 5 configured evaluation feeds currently have results.
- Best LLM for Vision & DocumentsProvisional evidence
60% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from Structured-output eval or VLMEvalKit tasks. 4 of 6 configured evaluation feeds currently have results.
- Best LLM for Document ParsingProvisional evidence
58% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from Structured-output eval or VLMEvalKit tasks. 3 of 5 configured evaluation feeds currently have results.
- Best LLM for Massive ContextProvisional evidence
47% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from LongBench v2. 2 of 3 configured evaluation feeds currently have results.
- Best LLM for Hermes AgentProvisional evidence
29% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from Berkeley Function Calling or SWE-rebench. 4 of 4 configured evaluation feeds currently have results.
- Best LLM for OpenHandsProvisional evidence
29% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from Berkeley Function Calling or SWE-rebench. 4 of 4 configured evaluation feeds currently have results.
- Best LLM for GooseProvisional evidence
29% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from Berkeley Function Calling or SWE-rebench. 4 of 4 configured evaluation feeds currently have results.
- Best LLM for OpenClawProvisional evidence
29% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from Berkeley Function Calling or SWE-rebench. 4 of 4 configured evaluation feeds currently have results.
- Best LLM for High-Volume ExtractionProvisional evidence
21% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from Route reliability or Structured-output eval. 1 of 3 configured evaluation feeds currently have results.
- Best LLM for Computer & Browser UseProvisional evidence
17% of intended weighted task evidence across 1 independent source; broader independent confirmation is still missing from Berkeley Function Calling or OSWorld Verified. 3 of 3 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.