GPT Chat Latest
GPT Chat Latest points to OpenAI's stable API alias `chat-latest` that always resolves to the latest Instant chat model used in ChatGPT.
Model by OpenAI
Chalk Labs
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Install
Pick your client. Read the repository before you give any tool access to your data.
{
"model": "openai/gpt-chat-latest",
"baseURL": "https://openrouter.ai/api/v1"
}OpenAI-compatible API: point any OpenAI SDK at the base URL and use this model id.
Settings it needs
OPENROUTER_API_KEYrequiredsecret
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About
Use cases: model-inference
Reviews
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Price and limits
| Variant | Input $/M tokens | Output $/M tokens | Cached input $/M |
|---|---|---|---|
| Standard | $5 | $30 | $0.5 |
Price as of Oct 26, 2026 from OpenRouter · provider's own prices: openai.com. Prices change often; check before you rely on one.
- Provider
- OpenAI
- Model id
openai/gpt-chat-latest- Context window
- 400,000 tokens (400K)
- Max output
- 128,000 tokens
- Input
- text, image, file
- Output
- text
- Tool calling
- Yes
- Structured outputs
- Yes
- Reasoning
- No
- Weights
- Closed
- Released
- May 5, 2026
Details
- Auth
- API key
- License
- Proprietary
- Website
- openai.com
- First seen
- Oct 24, 2026
- Last checked
- Oct 26, 2026
- Source
- OpenRouter
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Chalk Labs is a two-founder AI and growth studio. We build AI agents, CRMs and MVPs for Web3 and AI companies, and have shipped 50+ product and token launches.
- launches shipped
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Rahil Jain, Co-founder, Chalk Labs. Ex-Goldman Sachs engineer. You talk to the person who builds it.
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Cite this page
GPT Chat Latest: price, context window, tool use. Agent Mart. https://agentmart.dev/models/openai-gpt-chat-latest (last updated 2026-10-26)