Model Tracker
GPT-5.4
GPT-5.4 is an AI model made by OpenAI. OpenAI released it on 5 March 2026. It is generally available. It takes text, image and returns text.
GPT-5.4 is an AI model made by OpenAI. OpenAI released it on 5 March 2026. It is generally available. It takes text, image and returns text. Its context window is 1,050,000 tokens. Its longest answer is 128,000 tokens. Through the API it costs $2.50 per 1M tokens for input and $15.00 per 1M tokens for output. Its knowledge cutoff is 31 August 2025.
- Released
- 5 March 2026 — deploymentsafety.openai.com, read 19 October 2026
- Status
- Generally available — openai.com, read 19 October 2026
- Takes
- Text, Image — openai.com, read 19 October 2026
- Returns
- Text — openai.com, read 19 October 2026
- Open weights
- Not confirmed: OpenAI's pages do not state whether GPT-5.4 has open weights.
- Licence
- Not confirmed: OpenAI's pages do not state a licence for GPT-5.4's weights.
- Context window
- 1,050,000 tokens — openai.com, read 19 October 2026
- Longest answer
- 128,000 tokens — openai.com, read 19 October 2026
- Knowledge cutoff
- 31 August 2025 — openai.com, read 19 October 2026
- API price, input
- $2.50 per 1M tokens — openai.com, read 19 October 2026
- API price, output
- $15.00 per 1M tokens — openai.com, read 19 October 2026
- Where
- API, Consumer app — deploymentsafety.openai.com, read 19 October 2026
- Parameters
- Not confirmed: OpenAI's pages do not publish a parameter count for GPT-5.4.
- Model card
- Not confirmed: not found on the maker’s own pages
Benchmarks
Measured by others, not by the maker: each score with the name the measurer gives the model and the setting it ran, its day and its licence.
Arena
- Text Arena, gpt-5.4-high: 1,475 (1,471–1,479, 64,776 votes), published 15 October 2026
- Text Arena, gpt-5.4: 1,465 (1,461–1,468, 67,870 votes), published 15 October 2026
- Code Arena (WebDev), GPT-5.4: 1,401 (1,391–1,412, 4,095 votes), published 18 October 2026
- Vision Arena, gpt-5.4-high: 1,285 (1,279–1,291, 29,881 votes), published 9 October 2026
- Vision Arena, gpt-5.4: 1,279 (1,272–1,285, 22,832 votes), published 9 October 2026
Arena’s leaderboard dataset (lmarena-ai/leaderboard-dataset on Hugging Face), CC BY 4.0: ratings from people’s votes between two anonymous models, as Arena publishes them. Data · CC BY 4.0
Epoch AI
- Epoch Capabilities Index, GPT-5.4: 156.7 (155.0–158.9), as of 19 October 2026
- GPQA Diamond, gpt-5.4-2026-03-05_xhigh: 93.3% (± 1.8), run 6 March 2026
- GPQA Diamond, gpt-5.4-2026-03-05_high: 89.9% (± 2.1), run 15 July 2026
- GPQA Diamond, gpt-5.4-2026-03-05_medium: 88.9% (± 2.2), run 15 July 2026
- GPQA Diamond, gpt-5.4-2026-03-05_low: 84.8% (± 2.6), run 15 July 2026
- GPQA Diamond, gpt-5.4-2026-03-05_none: 74.7% (± 3.1), run 15 July 2026
- FrontierMath, tiers 1–3, gpt-5.4-2026-03-05_xhigh: 78.6% (± 2.4), run 11 June 2026
- FrontierMath, tier 4, gpt-5.4-2026-03-05_xhigh: 49.0% (± 8.0), run 11 June 2026
- SWE-bench Verified, gpt-5.4-2026-03-05_high: 76.9% (± 1.9), run 6 March 2026
- OTIS Mock AIME 2024–2025, gpt-5.4-2026-03-05_high: 97.8% (± 2.2), run 15 July 2026
- OTIS Mock AIME 2024–2025, gpt-5.4-2026-03-05_medium: 95.6% (± 3.1), run 15 July 2026
- OTIS Mock AIME 2024–2025, gpt-5.4-2026-03-05_xhigh: 95.3% (± 3.2), run 6 March 2026
- OTIS Mock AIME 2024–2025, gpt-5.4-2026-03-05_low: 84.4% (± 5.5), run 15 July 2026
- OTIS Mock AIME 2024–2025, gpt-5.4-2026-03-05_none: 57.8% (± 7.4), run 15 July 2026
- SimpleQA Verified, gpt-5.4-2026-03-05_xhigh: 45.1% (± 1.6), run 27 August 2026
Epoch AI, ‘Capabilities & benchmarking’, epoch.ai/benchmarks, CC BY 4.0: Epoch AI’s own runs and its Capabilities Index. Data · CC BY 4.0
Questions
When was GPT-5.4 released?
OpenAI released GPT-5.4 on 5 March 2026.
Is GPT-5.4 still available?
Yes: it is generally available, as OpenAI states it.
What is the context window of GPT-5.4?
The context window of GPT-5.4 is 1,050,000 tokens, as OpenAI prints it.
How much does the GPT-5.4 API cost?
On the standard tier, GPT-5.4 costs $2.50 per 1M tokens for input and $15.00 per 1M tokens for output, as OpenAI lists it.
What does GPT-5.4 take and return?
GPT-5.4 takes text, image and returns text.
What is the knowledge cutoff of GPT-5.4?
The knowledge cutoff of GPT-5.4 is 31 August 2025.
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Sources
- GPT-5.4 Model | OpenAI API (read 19 October 2026)
- Introducing GPT-5.4 (read 19 October 2026)
- GPT-5.4 Thinking System Card (read 19 October 2026)