OpenAIgpt-codex familyActive

GPT-5.1 Codex mini

Coding-optimized GPT model for repository edits, reviews, and agentic software work

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Context
400,000
Max output
128,000
Input / 1M
$0.22
Output / 1M
$1.80
Providers
18
01Profile

Profile

Released
2025-11-13
Last updated
2026-01
Knowledge cutoff
2024-09-30
Weights
Closed
02Capabilities

Capabilities

Input
text · image
Output
text
Reasoning
Yes
Tool calling
Yes
Structured output
Yes
Attachments
Yes
Cache read
Cache write
03Pricing

Pricing across 18 providers

Per 1M tokens, USD. Sorted by input price. First-party row highlighted.

ProviderProvider model idInputOutputCache readContext
poeopenai/gpt-5.1-codex-mini$0.22$1.80$0.02400,000
jiekougpt-5.1-codex-mini$0.23$1.80Not listed400,000
aihubmixgpt-5.1-codex-mini$0.25$2.00$0.03400,000
azuregpt-5.1-codex-mini$0.25$2.00$0.03400,000
azure-cognitive-servicesgpt-5.1-codex-mini$0.25$2.00$0.03400,000
edenaiazure/gpt-5.1-codex-mini$0.25$2.00$0.03272,000
heliconegpt-5.1-codex-mini$0.25$2.00$0.02400,000
impossiblopenai/gpt-5.1-codex-mini$0.25$2.00$0.03400,000
kiloopenai/gpt-5.1-codex-mini$0.25$2.00$0.03400,000
llmgatewaygpt-5.1-codex-mini$0.25$2.00$0.03400,000
llmgateway-providersazure/gpt-5.1-codex-mini$0.25$2.00$0.03400,000
nano-gptopenai/gpt-5.1-codex-mini$0.25$2.00$0.03400,000
Show all 18 providers ↓
ProviderProvider model idInputOutputCache readContext
ofoxopenai/gpt-5.1-codex-mini$0.25$2.00$0.03256,000
opencodegpt-5.1-codex-mini$0.25$2.00$0.03400,000
openrouteropenai/gpt-5.1-codex-mini$0.25$2.00$0.03400,000
orcarouteropenai/gpt-5.1-codex-mini$0.25$2.00$0.03400,000
vercelopenai/gpt-5.1-codex-mini$0.25$2.00$0.03400,000
zenmuxopenai/gpt-5.1-codex-mini$0.25$2.00$0.03400,000
04History

Change history

12+ recent events since 2025-11-13

2026-08-20Addedllmgateway-providersoffering→ new
2026-08-14Addededenaioffering→ new
2026-08-06Addedofoxoffering→ new
2026-08-05Removedneonofferingremoved→ new
2026-08-04Removedrequestyofferingremoved→ new
2026-08-03Contextnano-gptContext window400,000→ new
2026-08-03Contextnano-gptMax output128,000→ new
2026-08-02Addedimpossibloffering→ new
2026-08-02ContextkiloContext window400,000→ new
2026-08-02ContextkiloMax output100,000→ new
2026-07-26ContextopenrouterMax output100,000→ new
2026-07-24Removedopenaiofferingremoved→ new
as of 2026-09-16
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