Vercel AI Gateway
GPT 5.1 Codex Max
Canonical ID:
vercel/openai/gpt-5.1-codex-max
Coding-optimized GPT model for repository edits, reviews, and agentic software work
Overview
- Provider
-
Vercel AI Gateway
- Family
- gpt-5.1-codex-max
- Release date
- 2025-08-07
- Last updated
- 2025-08-07
- Input modalities
- text, image, pdf
- Output modalities
- text
Pricing and Limits
Token pricing
- Input
- $1.25/1M
- Output
- $10/1M
- Cached input
- N/A
Context and output
- Context window
- 400,000
- Max output tokens
- 128,000
- Qualified ID
- vercel/openai/gpt-5.1-codex-max
Model Summary
GPT 5.1 Codex Max is a model listing in the Vercel AI Gateway provider catalog. It is categorized under the gpt-5.1-codex-max family.
The model supports text, image, pdf modalities across input/output paths. Reported context capacity is 400,000. Pricing is listed at $1.25/1M input and $10/1M output.
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