Model Tracker
GPT-5 Pro
GPT-5 Pro is an AI model made by OpenAI. OpenAI released it on 6 October 2025. It is deprecated. It takes text, image and returns text.
GPT-5 Pro is an AI model made by OpenAI. OpenAI released it on 6 October 2025. It is deprecated. It takes text, image and returns text. Its context window is 400,000 tokens. Its longest answer is 272,000 tokens. Its knowledge cutoff is 30 September 2024.
- Released
- 6 October 2025 — developers.openai.com, read 19 October 2026
- Status
- Deprecated — developers.openai.com, read 19 October 2026
- Takes
- Text, Image — developers.openai.com, read 19 October 2026
- Returns
- Text — developers.openai.com, read 19 October 2026
- Open weights
- Not confirmed: OpenAI's pages reviewed do not state whether GPT-5 Pro's weights are open or downloadable.
- Licence
- Not confirmed: OpenAI's pages reviewed do not print a licence for GPT-5 Pro.
- Context window
- 400,000 tokens — developers.openai.com, read 19 October 2026
- Longest answer
- 272,000 tokens — developers.openai.com, read 19 October 2026
- Knowledge cutoff
- 30 September 2024 — developers.openai.com, read 19 October 2026
- API price, input
- Not confirmed: OpenAI's pricing page does not list GPT-5 Pro. Its model page displays $15 input pricing, but the register requires the amount from the pricing page.
- API price, output
- Not confirmed: OpenAI's pricing page does not list GPT-5 Pro. Its model page displays $120 output pricing, but the register requires the amount from the pricing page.
- Where
- API — developers.openai.com, read 19 October 2026
- Parameters
- Not confirmed: OpenAI's pages reviewed do not publish a parameter count for GPT-5 Pro.
- Model card
- Not confirmed: OpenAI's model page does not identify a model card or system card specifically for the GPT-5 Pro API model.
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.
Epoch AI
- Epoch Capabilities Index, GPT-5 Pro: 150.7 (148.9–154.0), as of 19 October 2026
- FrontierMath, tiers 1–3, gpt-5-pro-2025-10-06_high: 55.8% (± 2.9), run 12 June 2026
- FrontierMath, tier 4, gpt-5-pro-2025-10-06_high: 19.5% (± 6.3), run 12 June 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 Pro released?
OpenAI released GPT-5 Pro on 6 October 2025.
Is GPT-5 Pro still available?
It is deprecated: OpenAI has announced the date it will retire it.
What is the context window of GPT-5 Pro?
The context window of GPT-5 Pro is 400,000 tokens, as OpenAI prints it.
What does GPT-5 Pro take and return?
GPT-5 Pro takes text, image and returns text.
What is the knowledge cutoff of GPT-5 Pro?
The knowledge cutoff of GPT-5 Pro is 30 September 2024.
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Sources
- GPT-5 Pro Model | OpenAI API (read 19 October 2026)
- Changelog | OpenAI API (read 19 October 2026)
- Deprecations | OpenAI API (read 19 October 2026)
- Pricing | OpenAI API (read 19 October 2026)
- GPT-5 and the new era of work (read 19 October 2026)