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© 2026 Simon-Pierre Boucher · AI Atlas. Data is aggregated from public sources and attributed on every page.

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Model Timeline

Timeline of GPT-5-Codex

Every recorded change for this model by OpenAI, newest first. Back to the entity page →

8 events

Year

Category · events in the last 365 days

All categories Benchmarks4,947 Models2,213 Companies1,599 Research1,104 Releases1,019 Providers & pricing640 Datasets145 Frameworks136 Hardware43 Repositories10 Pricing2

Filtered to one entity. Show the whole atlas

Sept 2026 8

11 Sept 2026
Benchmark resultModelGPT-5-CodexOpenAI
GPT-5-Codex scores 37.88% on Terminal-Bench
artificial_analysis
artificialanalysis.ai

11 Sept 2026

Benchmark resultModelGPT-5-CodexOpenAI

GPT-5-Codex scores 86.84% on τ²-bench

artificial_analysis

artificialanalysis.ai

11 Sept 2026

Benchmark resultModelGPT-5-CodexOpenAI

GPT-5-Codex scores 73.82% on MMMU-Pro

artificial_analysis

artificialanalysis.ai

11 Sept 2026

Benchmark resultModelGPT-5-CodexOpenAI

GPT-5-Codex scores 74.15% on IFBench

artificial_analysis

artificialanalysis.ai

11 Sept 2026

Benchmark resultModelGPT-5-CodexOpenAI

GPT-5-Codex scores 27.85% on Humanity's Last Exam

artificial_analysis

artificialanalysis.ai

11 Sept 2026

Benchmark resultModelGPT-5-CodexOpenAI

GPT-5-Codex scores 83.74% on GPQA

artificial_analysis

artificialanalysis.ai

11 Sept 2026

Benchmark resultModelGPT-5-CodexOpenAI

GPT-5-Codex scores 24.88 on Artificial Analysis Intelligence Index

artificial_analysis

artificialanalysis.ai

11 Sept 2026

New modelModelGPT-5-CodexOpenAI

New model: GPT-5-Codex (OpenAI)

openai

developers.openai.com

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