OpenAIReleased on Nov 12, 2025

GPT-5.1 Codex Mini: Benchmarks, Pricing & Context Window

GPT-5.1 Codex Mini is a language model from OpenAI, released in November 2025, with multimodal input.

GPT-5.1 Codex Mini is a fast, efficient coding model optimized for quick code completion, simple refactoring, and routine programming tasks. It provides excellent performance for everyday coding needs with lower latency.

Input
TextImage
Output
Text
Speed
Latency p951.00s
Throughput P95200char/s
Cost
$0.44/ 1M · 8:1 in:out
$0.25 in · $2.00 out

GPT-5.1 Codex Mini pricing

Providers

GPT-5.1 Codex Mini starts at $0.250 per million input tokens and $2.00 per million output tokens via OpenAI.

ProviderInput $/MOutput $/MMax InputMax OutputLatency p95 sThroughput P95QuantInputOutput
OpenAI logoOpenAI
$0.250$2.00400.0K128.0K
1.00
200 c/s
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GPT-5.1 Codex Mini API

API access coming soon

GPT-5.1 Codex Mini will be available through our gateway shortly.

GPT-5.1 Codex Mini examples

Recent arena outputs from GPT-5.1 Codex Mini, picked from the highest-ranked matchups.

GPT-5.1 Codex Mini license

GPT-5.1 Codex Mini is released under the Proprietary license, which restricts commercial use.

License
Proprietary
Non-commercial

Proprietary license - usage restrictions apply

FAQ

Common questions about GPT-5.1 Codex Mini.

When was GPT-5.1 Codex Mini released?

GPT-5.1 Codex Mini was released on November 12, 2025 by OpenAI. This is the official GPT-5.1 Codex Mini release date tracked on LLM Stats.

Is GPT-5.1 Codex Mini available via API?

Yes, GPT-5.1 Codex Mini is available via API. See the official documentation for authentication and endpoint details. It is served by 1 provider tracked on LLM Stats.

Who created GPT-5.1 Codex Mini?

GPT-5.1 Codex Mini was created by OpenAI.

What is the license for GPT-5.1 Codex Mini?

GPT-5.1 Codex Mini is released under the Proprietary license.

Is GPT-5.1 Codex Mini multimodal?

Yes, GPT-5.1 Codex Mini is multimodal and can accept both text and images as input.

Where can I use GPT-5.1 Codex Mini?

GPT-5.1 Codex Mini is available through 1 provider including OpenAI.

Where is the GPT-5.1 Codex Mini paper or technical report?

GPT-5.1 Codex Mini has a paper or technical report available at https://openai.com/index/gpt-5-1/. Use that source for architecture, training, release and evaluation details.