← Model list
GPT-5.1 Codex mini
openai·openai/gpt-5.1-codex-mini·GA·Closed·gpt-codex series
Coding-optimized GPT model for repository edits, reviews, and agentic software work
At a glance
Reference price$0.25 / $2.00 per 1M
Cache read $0.03 · Kilo Gateway
Lowest paid$0.22 / $1.80
Poe Gateway · 1.1× spread
Context400,000
⚠ Providers report 256,000–400,000; the table below is authoritative
Output limit128,000
Capabilities
✓ Reasoning✓ Tool use✓ Structured outputTemperature✓ Attachments
⚠ Providers report capability flags inconsistently
Modalities
TextImagePDF
Knowledge cutoff2024-09-30
Released / updated2025-11-13 / 2025-11-13
Quality & performanceArtificial Analysis · Intelligence Index v4.1 · rep. tier high
Intelligence31.3
Value51
Coding—
Agentic—
Output speed—
TTFT—
Value formulaIQ 31.3 ÷ min blended $0.615 = 51
Quality is independently evaluated by Artificial Analysis. Speed/latency are model-level medians.
Available at 16 providers16 with public prices
| Provider | Tier | Input | Output | Cache read | Cache write | Context | Output limit | Status |
|---|---|---|---|---|---|---|---|---|
| Poe | Gateway | $0.22 | $1.80 | $0.022 | — | 400,000 | 128,000 | |
| Jiekou.AI | Gateway | $0.225 | $1.80 | — | — | 400,000 | 128,000 | |
| OrcaRouter | Gateway | $0.25 | $2.00 | $0.025 | — | 400,000 | 128,000 | |
| NanoGPT | Gateway | $0.25 | $2.00 | $0.025 | — | 400,000 | 128,000 | |
| Impossibl | Gateway | $0.25 | $2.00 | $0.025 | — | 400,000 | 128,000 | |
| OpenRouter | Gateway | $0.25 | $2.00 | $0.03 | — | 400,000 | 128,000 | |
| ZenMux | Gateway | $0.25 | $2.00 | $0.03 | — | 400,000 | 64,000 | |
| Ofox | Gateway | $0.25 | $2.00 | $0.03 | — | 256,000 ⚠ | 65,536 | |
| Azure Cognitive Services | First-party | $0.25 | $2.00 | $0.025 | — | 400,000 | 128,000 | |
| OpenCode Zen | Gateway | $0.25 | $2.00 | $0.025 | — | 400,000 | 128,000 | |
Sorted by blended price (input×0.75 + output×0.25) asc. The official channel always shows regardless of rank. Whether a gateway's low price is actually usable can't be verified.
Your usage cost
1Poe$110.24
2OrcaRouter$123.00
3NanoGPT$123.00
4Impossibl$123.00
5Azure Cognitive Services$123.00
6OpenCode Zen$123.00
The cheapest paid channel is the only channel.
Benchmark
No upstream benchmark data for this model. For quality, see the Artificial Analysis intelligence score above.
Reasoning control
effort = loweffort = mediumeffort = highToggle (on / off)effort = none
2 / 16 providers expose no reasoning control (reasoning_options: []).
Related models
GPT-5.3 Codexsame series$1.75 / $14.00GPT-5.3 Codex (OpenAI)same series$1.75 / $14.00GPT-5.3 Codex (Azure)same series$1.75 / $14.00DeepSeek V4 Flashcheaper alternative$0.14 / $0.28GPT-5 Nanocheaper alternative$0.05 / $0.40GLM-4.7-Flashcheaper alternative$0 / $0MiMo-V2.5cheaper alternative$0.14 / $0.28
Price historyone sample accumulated per data sync
Input listOutput listMin blended