openai

GPT-5.1 Codex mini

gpt-codex

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

ReasoningTool CallingAttachmentsStructured Output

Context Window

400K

Max Output

128K

Temperature

No

Open Weights

No

Knowledge Cutoff

2024-09-30

Released

2025-11-13

Last Updated

2025-11-13

Modalities

Input:TextImage
Output:Text

Available Providers (8)

ProviderInput /1MOutput /1MCache Read /1MCache Write /1MReasoningStatus
RequestyRequestyRp 4.423Rp 35.381Rp 443effort, budget_tokens
Vercel AI GatewayVercel AI GatewayRp 4.423Rp 35.381Rp 443effort
ZenMuxZenMuxRp 4.423Rp 35.381Rp 531effort
OrcaRouterOrcaRouterRp 4.423Rp 35.381Rp 443
PoePoeRp 3.892Rp 31.843Rp 390effort
Kilo GatewayKilo GatewayRp 4.423Rp 35.381Rp 443effort
OpenRouterOpenRouterRp 4.423Rp 35.381Rp 443effort
NanoGPTNanoGPTRp 4.423Rp 35.381effort