NanoGPT
GPT 5.1 Codex Mini
Canonical ID:
nano-gpt/openai/gpt-5.1-codex-mini
Coding-optimized GPT model for repository edits, reviews, and agentic software work
Overview
Pricing and Limits
Token pricing
- Input
- $0.25/1M
- Output
- $2/1M
- Cached input
- N/A
Context and output
- Context window
- 400,000
- Max output tokens
- 128,000
- Qualified ID
- nano-gpt/openai/gpt-5.1-codex-mini
Model Summary
GPT 5.1 Codex Mini is a model listing in the NanoGPT provider catalog. It is categorized under the gpt-codex family.
The model supports text, image modalities across input/output paths. Reported context capacity is 400,000. Pricing is listed at $0.25/1M input and $2/1M output.
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