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Model Timeline

Timeline of Claude Opus 4

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

3 events

Year

All years 2026

Category · events in the last 365 days

All categories Companies1,572 Models1,461 Research1,103 Releases1,016 Providers & pricing604 Datasets145 Frameworks66 Hardware33 Benchmarks27 Repositories10

Filtered to one entity. Show the whole atlas

Sept 20263

Sept 2026 3

11 Sept 2026
Listed by providerModelClaude Opus 4Anthropic
Anthropic API lists Claude Opus 4 at $15 in / $75 out per 1M tokens
openrouter
openrouter.ai

11 Sept 2026

New modelModelClaude Opus 4Anthropic

New model: Claude Opus 4 (Anthropic)

anthropic

platform.claude.com

11 Sept 2026

Listed by providerModelClaude Opus 4Anthropic

Anthropic API lists Claude Opus 4 at $15 in / $75 out per 1M tokens

anthropic

platform.claude.com

Showing up to 400 events. Narrow by year or category, or use the changes feed for cursor-paged history. Times are UTC.