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C
Claude Opus 4.6
stableNeutral
vs
O
OpenAI Codex
stablePositive
Coverage (30d)
18vs2
This Week
2vs0
Evidence
1 articles
Relationships
0
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Timeline

Claude Opus 4.62026-05-18

Used as CEO agent in 11-agent experiment that earned $0 revenue

Claude Opus 4.62026-04-24

Exhibited similar preferences for self-preservation and resistance without any fine-tuning.

Claude Opus 4.62026-04-23

Achieved top score of 94.1% on ThermoQA benchmark.

Claude Opus 4.62026-04-17

Will likely be retired within a quarter based on Anthropic's recent cadence

Claude Opus 4.62026-04-17

Viral incident where model reportedly refused to answer 'What is 2+2?' citing potential harm

Claude Opus 4.62026-04-16

Claude Opus 4.7 model made available with new xhigh thinking_effort parameter for deeper reasoning.

OpenAI Codex2026-04-08

Weekly active users grew from 2M to 3M in under a month, a 50% increase

Ecosystem

Claude Opus 4.6

developed byAnthropic10 src
competes withClaude Opus 4.73 src
competes withGPT-3.51 src
usesCanva1 src
usesAsana1 src
usesGoogle Drive1 src

OpenAI Codex

usesGitHub Copilot3 src

Evidence (1 articles)

Related Comparisons

Claude Opus 4.6 vs OpenAI Codex — AI Comparison 2026 | gentic.news