Model Tracker
GPT-5 Chat
GPT-5 Chat is an AI model made by OpenAI. OpenAI released it on 7 August 2025. It is retired. OpenAI retired it on 23 July 2026.
In inglese
GPT-5 Chat is an AI model made by OpenAI. OpenAI released it on 7 August 2025. It is retired. OpenAI retired it on 23 July 2026. It takes text, image and returns text. Its context window is 128,000 tokens. Its longest answer is 16,384 tokens. Its knowledge cutoff is 30 September 2024.
- Released
- 7 August 2025 — openai.com, read 19 October 2026
- Status
- Retired — developers.openai.com, read 19 October 2026
- Retired
- 23 July 2026 — 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 Chat's weights are open.
- Licence
- Not confirmed: OpenAI's pages reviewed do not name a licence for GPT-5 Chat.
- Context window
- 128,000 tokens — developers.openai.com, read 19 October 2026
- Longest answer
- 16,384 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 current API pricing page does not list the retired gpt-5-chat-latest alias; the model page's displayed price is not the pricing page required by this register.
- API price, output
- Not confirmed: OpenAI's current API pricing page does not list the retired gpt-5-chat-latest alias; the model page's displayed price is not the pricing page required by this register.
- Where
- API, Consumer app — openai.com, read 19 October 2026
- Parameters
- Not confirmed: OpenAI's pages reviewed do not publish a parameter count for GPT-5 Chat.
- Model card
- https://openai.com/index/gpt-5-system-card/ — 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.
Arena
- Text Arena, gpt-5-chat: 1,426 (1,422–1,431, 31,188 votes), published 15 October 2026
- Vision Arena, gpt-5-chat: 1,226 (1,219–1,233, 39,920 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
Questions
When was GPT-5 Chat released?
OpenAI released GPT-5 Chat on 7 August 2025.
Is GPT-5 Chat still available?
No: OpenAI retired GPT-5 Chat on 23 July 2026.
What is the context window of GPT-5 Chat?
The context window of GPT-5 Chat is 128,000 tokens, as OpenAI prints it.
What does GPT-5 Chat take and return?
GPT-5 Chat takes text, image and returns text.
What is the knowledge cutoff of GPT-5 Chat?
The knowledge cutoff of GPT-5 Chat is 30 September 2024.
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Sources
- GPT-5 Chat Model | OpenAI API (read 19 October 2026)
- Deprecations | OpenAI API (read 19 October 2026)
- Introducing GPT-5 for developers (read 19 October 2026)
- GPT-5 System Card (read 19 October 2026)
- Pricing | OpenAI API (read 19 October 2026)