OpenAI: GPT-5-Chat
Chat-tuned GPT model for conversational assistance, writing, and tool workflows
Cheapest input
$1.10
$/MTok · models.dev
Cheapest output
$9
$/MTok
Context
400K
tokens
Offers
6
2 sources
Offers
Same model, different listings. First-party, router, and aggregator rows stay separate so you can see the spread instead of a single blended number.
| Source | Provider | Input | Output | Cache read | Context |
|---|---|---|---|---|---|
| models.devcheapestopenai/gpt-5-chat | Poe | $1.10 | $9 | $0.11 | 128K |
| models.devopenai/gpt-5-chat | Requesty | $1.25 | $10 | $0 | 400K |
| LiteLLMopenai/gpt-5-chat | — | $1.25 | $10 | $0.125 | — |
| LiteLLMazure/gpt-5-chat | — | $1.25 | $10 | $0.125 | — |
| LiteLLMgpt-5-chat | — | $1.25 | $10 | $0.125 | — |
| LiteLLMopenrouter/openai/gpt-5-chat | — | $1.25 | $10 | $0.125 | — |
Capabilities
- Reasoning
- Tool calling
- Structured output
- Attachments
- In: text
- In: image
- Out: text
Knowledge cutoff: 2024-09-30Released: 2025-08-07Family: gpt-codex