GPT-5.1 Codex
Model Information
| Slug | gpt-5-1-codex |
|---|---|
| LLMs.txt | View |
| Release Date | November 19, 2025 |
| SWE Bench | 0.737 |
Organization
| Name | OpenAI |
|---|---|
| Website | https://openai.com/ |
Model Description
GPT-5.1-Codex is a specialized version of GPT-5.1 optimized for software engineering and coding workflows. It is designed for both interactive development sessions and long, independent execution of complex engineering tasks....
Available at 33 Providers
| Provider | Type | Model Name | Original Model | Input ($/1M) | Output ($/1M) | Free | Actions | |
|---|---|---|---|---|---|---|---|---|
|
Naga |
GPT 5.1 Codex
|
gpt-5.1-codex
|
$0.63 | $5.00 | |||
|
Nous Research |
OpenAI: GPT-5.1-Codex
|
openai/gpt-5.1-codex
|
$1.00 | $8.00 | |||
|
OpenCode Zen |
Chat
Code
|
gpt-5.1-codex
|
gpt-5.1-codex
|
$1.07 | $8.50 | ||
|
Jiekou.AI |
Chat
|
gpt-5.1-codex
|
gpt-5.1-codex
|
$1.13 | $9.00 | ||
|
AIHubMix |
Chat
Code
|
gpt-5.1-codex
|
gpt-5.1-codex
|
$1.25 | $10.00 | ||
|
Helicone |
OpenAI: GPT-5.1 Codex
|
gpt-5.1-codex
|
$1.25 | $10.00 | |||
|
Vivgrid |
gpt-5.1-codex
|
$1.25 | $10.00 | ||||
|
Azure OpenAI |
GPT-5.1 Codex
|
gpt-5.1-codex
|
$1.25 | $10.00 | |||
|
Azure AI Services |
GPT-5.1 Codex
|
gpt-5.1-codex
|
$1.25 | $10.00 | |||
|
Nano-GPT |
Chat
Code
|
GPT 5.1 Codex
|
openai/gpt-5.1-codex
|
$1.25 | $10.00 | ||
|
OpenRouter |
Chat
Code
|
GPT-5.1-Codex
|
openai/gpt-5.1-codex
|
$1.25 | $10.00 | ||
|
Requesty |
openai-responses/gpt-5.1-codex
|
$1.25 | $10.00 | ||||
|
ZenMUX |
Chat
Code
|
OpenAI: GPT-5.1-Codex
|
openai/gpt-5.1-codex
|
$1.25 | $10.00 | ||
|
Kilo Code |
Code
|
GPT-5.1 Codex
|
openai/gpt-5.1-codex
|
$1.25 | $10.00 | ||
|
Abacus |
GPT-5.1 Codex
|
gpt-5.1-codex
|
$1.25 | $10.00 | |||
|
LLM Gateway |
Chat
|
GPT-5.1 Codex
|
gpt-5.1-codex
|
$1.25 | $10.00 | ||
|
Cline |
Code
|
OpenAI: GPT-5.1-Codex
|
openai/gpt-5.1-codex
|
$1.25 | $10.00 | ||
|
OrcaRouter |
OpenAI: GPT-5.1-Codex
|
openai/gpt-5.1-codex
|
$1.25 | $10.00 | |||
|
Vercel AI Gateway |
GPT-5.1-Codex
|
openai/gpt-5.1-codex
|
$1.25 | $10.00 | |||
|
Impossibl |
GPT-5.1 Codex
|
openai/gpt-5.1-codex
|
$1.25 | $10.00 | |||
|
302.AI |
gpt-5.1-codex
|
gpt-5.1-codex
|
$1.25 | $10.00 | |||
|
OpenAI |
Chat
Code
|
gpt-5.1-codex
|
gpt-5.1-codex
|
- | - | ||
|
ValorGPT |
GPT-5.1-Codex
|
openai-gpt-5.1-codex
|
- | - | |||
|
Yupp |
Chat
|
GPT-5.1 Codex (Medium)
|
gpt-5.1-codex
|
- | - | ||
|
Warp |
Code
|
GPT-5.1 Codex
|
gpt5-1codex
|
- | - | ||
|
Writingmate |
Chat
Code
|
OpenAI: GPT-5.1-Codex
|
openai/gpt-5.1-codex
|
- | - | ||
|
haimaker.ai |
openai/gpt-5.1-codex
|
- | - | ||||
|
Krater |
OpenAI: GPT-5.1-Codex
|
gpt-5-1-codex
|
- | - | |||
|
AIMLAPI |
GPT-5.1 Codex
|
openai/gpt-5.1-codex
|
- | - | |||
|
|
AIMLAPI |
GPT-5.1 Codex
|
openai/gpt-5-1-codex
|
- | - | |||
|
Arena AI |
Chat
|
gpt-5.1-codex
|
- | - | |||
|
ApiYI |
Chat
Code
|
gpt-5.1-codex
|
gpt-5.1-codex
|
- | - | ||
|
Airforce API |
gpt-5.1-codex
|
gpt-5.1-codex
|
- | - |