Model Tracker
GPT-5.2 Pro
GPT-5.2 Pro is an AI model made by OpenAI. OpenAI released it on 11 December 2025. It takes text, image and returns text.
In inglese
GPT-5.2 Pro is an AI model made by OpenAI. OpenAI released it on 11 December 2025. It takes text, image and returns text. Its context window is 400,000 tokens. Its longest answer is 128,000 tokens. Its knowledge cutoff is 31 August 2025.
- Released
- 11 December 2025 — openai.com, read 19 October 2026
- Status
- Not confirmed: two readings disagree: ga and deprecated
- Takes
- Text, Image — developers.openai.com, read 19 October 2026
- Returns
- Text — developers.openai.com, read 19 October 2026
- Open weights
- Not confirmed: The maker's model and system-card pages do not state whether GPT-5.2 Pro has open weights.
- Licence
- Not confirmed: The maker's pages do not print a licence for GPT-5.2 Pro.
- Context window
- 400,000 tokens — developers.openai.com, read 19 October 2026
- Longest answer
- 128,000 tokens — developers.openai.com, read 19 October 2026
- Knowledge cutoff
- 31 August 2025 — developers.openai.com, read 19 October 2026
- API price, input
- Not confirmed: The maker's API pricing page does not print a standard-tier input rate for GPT-5.2 Pro. The model page displays prices, but the required standard-tier rate is not confirmed on the pricing page.
- API price, output
- Not confirmed: The maker's API pricing page does not print a standard-tier output rate for GPT-5.2 Pro. The model page displays prices, but the required standard-tier rate is not confirmed on the pricing page.
- Where
- API — developers.openai.com, read 19 October 2026
- Parameters
- Not confirmed: The maker's pages do not publish a parameter count for GPT-5.2 Pro.
- Model card
- https://cdn.openai.com/pdf/3a4153c8-c748-4b71-8e31-aecbde944f8d/oai_5_2_system-card.pdf — cdn.openai.com, read 19 October 2026
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-5.2 Pro: 156.0 (153.8–159.6), as of 19 October 2026
- FrontierMath, tiers 1–3, gpt-5.2-pro-2025-12-11_xhigh: 74.0% (± 2.6), run 13 June 2026
- FrontierMath, tier 4, gpt-5.2-pro-2025-12-11_xhigh: 46.0% (± 7.8), run 13 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-5.2 Pro released?
OpenAI released GPT-5.2 Pro on 11 December 2025.
What is the context window of GPT-5.2 Pro?
The context window of GPT-5.2 Pro is 400,000 tokens, as OpenAI prints it.
What does GPT-5.2 Pro take and return?
GPT-5.2 Pro takes text, image and returns text.
What is the knowledge cutoff of GPT-5.2 Pro?
The knowledge cutoff of GPT-5.2 Pro is 31 August 2025.
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Sources
- GPT-5.2 Pro Model | OpenAI API (read 19 October 2026)
- Introducing GPT-5.2 | OpenAI (read 19 October 2026)
- All models | OpenAI API (read 19 October 2026)
- Pricing | OpenAI API (read 19 October 2026)
- Update to GPT-5 System Card: GPT-5.2 (read 19 October 2026)