GPT-5 Chat
by OpenRouter · family gpt-codex · listed Aug 2025V
Chat-tuned GPT model for conversational assistance, writing, and tool workflows
Current rates USD per 1M tokens
Input$1.25
Output$10.00
Cache read$0.125
Cache write—
Against the market
On the record
- Model id
openai/gpt-5-chat- Context window
- 128K tokens
- Max output
- 16K tokens
- Input modalities
- pdf, image, text
- Output modalities
- text
- Reasoning
- no
- Tool calls
- no
- Open weights
- no
- Knowledge cutoff
- Sep 2024
- Released
- 2025-08-07
- Last updated
- 2025-08-07
- Provider docs
- openrouter.ai/models
Back of the envelope
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