Alex Getmanearly AI signals

Anthropic · model family

Claude Opus models

Claude Opus has 6 versions on record. The first released was Claude Opus 4.5 on 24 Nov 2025, the latest Claude Opus 5.5 on 22 Sep 2026.

Every released version 6

USD / 1M tokens

ModelContext windowInput USD / 1M tokensOutput USD / 1M tokensStatus
1M$4.00$20.00Released ·
Claude Opus 5Anthropic
1M$5.00$25.00Released ·
1M$5.00$25.00Released ·
1M$5.00$25.00Released ·
1M$5.00$25.00Released ·
200K$5.00$25.00Released ·

Latest signals

AnthropicSighting

gpt-5.5-high

Confirmed13 evidence links
AnthropicSighting

gpt-5.5-high

Confirmed8 evidence links
AnthropicSighting

gpt-5.5-high

Confirmed9 evidence links

Other model families from Anthropic