Model prices / OpenAI / GPT-5.1 Codex mini
GPT-5.1 Codex mini
OpenAI · released 2025-11-13
No price from the maker itself is on record for GPT-5.1 Codex mini. The lowest of 16 providers is Jiekou.AI: $0.2375 per 1M input tokens and $1.9 per 1M output tokens (as of 2026-11-12). Context window: 400K tokens, up to 128K output tokens per request.
Price by providerUSD per 1M tokens
| Provider | Input | Output | Cached | Notes | |
|---|---|---|---|---|---|
JJiekou.AILowestgpt-5.1-codex-mini | $0.2375 | $1.9 | $0.0237 | Lowest | Official docs |
 AIHubMixgpt-5.1-codex-mini | $0.25 | $2 | $0.025 | Official docs | |
EEden AIazure/ | $0.25 | $2 | $0.025 | Official docs | |
HHeliconegpt-5.1-codex-mini | $0.25 | $2 | $0.025 | Official docs | |
IImpossiblopenai/ | $0.25 | $2 | $0.025 | Official docs | |
KKilo Gatewayopenai/ | $0.25 | $2 | $0.03 | Official docs | |
 DevPass (LLM Gateway)gpt-5.1-codex-mini | $0.25 | $2 | $0.025 | Official docs | |
LLLM Gatewayazure/ | $0.25 | $2 | $0.025 | Official docs | |
NNanoGPTopenai/ | $0.25 | $2 | $0.025 | Official docs | |
OOfoxopenai/ | $0.25 | $2 | $0.03 | Official docs | |
 OpenCodegpt-5.1-codex-mini | $0.25 | $2 | $0.025 | Official docs | |
 OpenRouteropenai/ | $0.25 | $2 | $0.03 | Official docs |
4 more listings
| Provider | Input | Output | Cached | Notes | |
|---|---|---|---|---|---|
OOrcaRouteropenai/ | $0.25 | $2 | $0.025 | Official docs | |
 Vercel AI Gatewayopenai/ | $0.25 | $2 | $0.03 | Official docs | |
 ZenMuxopenai/ | $0.25 | $2 | $0.025 | Official docs | |
 PoeDeprecatedopenai/ | $0.22 | $1.8 | $0.022 | Deprecated | Official docs |
Providers are those listed by models.dev. This site has not vetted them one by one; each provider's own page has the binding price.
About
Coding-optimized GPT model for repository edits, reviews, and agentic software work
Description from models.dev.
Specs
- Type
- Text
- Context
- 400K
- Max output
- 128K
- Input
- Text, Image
- Output
- Text
- Reasoning
- Yes
- Tool calling
- Yes
- Structured output
- Yes
- Knowledge cutoff
- 2024-09-30
- Open weights
- No
- Released
- 2025-11-13
Source
Prices and specs come from models.dev (MIT licence), updated 2026-11-12. Each provider's name links to its official docs. A provider priced at 0 usually includes the model in a subscription; it is not necessarily a free API.