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GPT-5.1 Codex mini (high)

OpenAIGPTProprietary

Description

GPT-5.1 Codex Mini is a fast, efficient coding model optimized for quick code completion, simple refactoring, and routine programming tasks. It provides excellent performance for everyday coding needs with lower latency.

Release Date
2025-11-13
Parameters
—
Context Length
400K
Modalities
image, text

Capability Radar

39
general
84
coding
90
reasoning
62
science
88
agents
85
multimodal

Rankings

Domain#RankScoreSource
Code Ranking157
72.0
AA
General Ranking155
59.0
AA
Science219
56.0
AA

Benchmark Scores (LLM Stats)

(LLM Stats (zeroeval))

Math

AIME 202542.1%SR

AA Evaluation Indices

(Artificial Analysis)
Math Index(Artificial Analysis)
91.7
Aime 25(MAA (Mathematical Association of America))
91.7
Livecodebench(UC Berkeley + MIT + Cornell (2024))
83.6
Mmlu Pro(TIGER-Lab (Univ. of Waterloo, Toronto, CMU, 2024))
82.0
Gpqa(NYU + Cohere + Anthropic (2023))
81.3
Ifbench(Google Research (2023))
67.9
Lcr(Artificial Analysis)
66.7
Tau2(Sierra + U Toronto + Vector Institute (2025))
62.9
Terminalbench Hard(Stanford × Laude Institute (2026))
33.3
Intelligence Index(Artificial Analysis)
20.4
Hle(Center for AI Safety + Scale AI (2025))
18.5

LLM Stats Category Scores

(LLM Stats (zeroeval))
Math
40
Reasoning
40
General
40

Pricing

Input Price$0.25 / 1M tokens
Output Price$2 / 1M tokens
Blended Price (3:1)$0.688 / 1M tokens
Cache Read Price$0.03 / 1M tokens

Speed

Tokens/sec0.0
Time to First Token0.00s
Time to Answer0.00s

Provider Price Ranking

Provider Price Ranking

10 providers

Cheapest: OfoxMost Expensive: Impossibl
ProviderInputOutput
1OfoxCheapest
$0.2
$1.6
2Poe
$0.22
$1.8
3OpenAIPRIMARY
$0.25
$2
4NanoGPT
$0.25
$2
5OpenRouter
$0.25
$2
6ZenMux
$0.25
$2
7Kilo Gateway
$0.25
$2
8Vercel AI Gateway
$0.25
$2
9OrcaRouter
$0.25
$2
10Impossibl
$0.25
$2

Compare pricing across different API providers for this model.

External Sources