GPT-5 Codex
OpenAI · 1 configuration
Intelligence24.9
Input / 1M$1.25
Output / 1M$10.00
Context400K
Tariff: OpenAI · Source: artificial-analysis · USD per million tokens
Thinking configuration
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Compare this model’s measured thinking configurations.
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Efficient frontier: best measured score at each cost1 measured configurations · 0 without both values
Selected: thinking high · Click a point to switch configuration
Coding-optimized GPT model for repository edits, reviews, and agentic software work
Intelligence IndexArtificial Analysis composite index, not a percentage. Different versions of the index are not directly comparable.
24.9 pointsGPQA DiamondGraduate-level scientific questions. Measures specialist reasoning rather than web-search quality.
83.7 %Humanity’s Last ExamDifficult questions across many disciplines, compared under the same evaluation setup.
27.8 %τ²-BenchTool use and interaction in assistance scenarios. Does not replace an evaluation of your integration.
86.8 %IFBenchVerifiable instruction following. A proxy for precision rather than a benchmark of creative style.
74.1 %MMMU-ProMultimodal understanding of academic problems that include images.
73.8 %Omniscience accuracyFactual accuracy in Artificial Analysis's Omniscience evaluation.
38.7 %Specifications from the catalog
Inputtext, image
Outputtext
Tool callingYes
Structured outputYes
SpeedNot available
First tokenNot available
Maximum output128K
Catalog listing date2025-09-23