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Model Timeline

Timeline of Claude Haiku 4.5

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

4 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 20264

Sept 2026 4

11 Sept 2026
Listed by providerModelClaude Haiku 4.5Anthropic
Anthropic API lists Claude Haiku 4.5 at $0.5 in / $2.5 out per 1M tokens
openrouter
openrouter.ai

11 Sept 2026

Listed by providerModelClaude Haiku 4.5Anthropic

Anthropic API lists Claude Haiku 4.5 at $1 in / $5 out per 1M tokens

openrouter

openrouter.ai

11 Sept 2026

Listed by providerModelClaude Haiku 4.5Anthropic

Anthropic API lists Claude Haiku 4.5 at $1 in / $5 out per 1M tokens

anthropic

platform.claude.com

11 Sept 2026

New modelModelClaude Haiku 4.5Anthropic

New model: Claude Haiku 4.5 (Anthropic)

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.