All modelsCalculate what your real prompts cost on GPT-5 Chat
GPT-5 Chat
OpenAI model, released 7 Aug 2025.
$1.25
per 1M input tokens
$10.00
per 1M output tokens
$0.125
per 1M cached-read tokens
Price history
Price stable since we started tracking (7 Jul 2026). History will chart here as soon as it moves.
Specifications
- Lab
- OpenAI
- Released
- 7 Aug 2025
- Context window
- 128k tokens
- Max output
- 16k tokens
- Input modalities
- file, image, text
- Output modalities
- text
- Knowledge cutoff
- 2024-09-30
- Open source
- No
Benchmarks
| Benchmark | Category | Score | As of |
|---|---|---|---|
| LMArena (Chatbot Arena) | coding | 1399.4 (1391.5–1407.3) | 12 Aug 2026 |
| LMArena (Chatbot Arena) | overall | 1403.6 (1399.3–1407.8) | 12 Aug 2026 |
LMArena (Chatbot Arena) data © their authors, CC-BY-4.0
Frequently asked questions
How much does GPT-5 Chat cost?
GPT-5 Chat costs $1.25 per 1M input tokens and $10.00 per 1M output tokens (list price, updated every 6 hours).
What is GPT-5 Chat's context window?
GPT-5 Chat supports a 128k-token context window with up to 16k output tokens.