Models & Labs
Anthropic releases Opus 5.5 with lower prices
TechCrunch AIhigh confidence
Why it matters
- →Opus 5.5 lowers the cost ceiling for high-end reasoning models, making top-tier performance more accessible.
- →Performance claims against larger models suggest improved inference efficiency rather than just scale.
- →Stricter safety guardrails reflect Anthropic's strategic pivot to pace capabilities with alignment progress.
Anthropic has released Opus 5.5, its latest flagship model, which reduces output token pricing to $20 per million from the previous $25 rate. The company claims the model matches or exceeds the performance of its larger Fable model in coding and knowledge benchmarks while requiring less compute. Safety protocols have been tightened to align with CEO Dario Amodei’s strategy of pacing capabilities alongside alignment research, restricting uses such as exploit discovery. Sonnet 5.5 and Haiku 5.5 are scheduled for release in the coming weeks.
Read originalThe story around this
Earlier coverage that leads up to this article, and what followed. Lines connect each piece to the closest one after it, converging here.
How we got here
- 1Anthropic launches Claude Sonnet 5 for affordable AI agents
TechCrunch AI · June 30, 2026 · Same story
- 2Anthropic Introduces Usage-Based Fees for Claude Fable 5
WIRED AI · July 9, 2026 · Same story
- 3Anthropic Launches Claude Opus 5 Model
Anthropic · July 24, 2026 · Same story
- 4Anthropic Launches Opus 5 Model
TechCrunch AI · July 24, 2026 · Same story
- 5Anthropic's Opus 5 Model Surpasses Expectations
The Rundown AI · July 27, 2026 · Same story
- 6Anthropic's Opus 5 Release Raises Concerns for Indie Hackers
Fireship · July 29, 2026 · Same story
- 7Anthropic launches Claude Fable 5.1 with cost savings
The Verge AI · September 1, 2026 · Same story
- 8Anthropic releases Claude Fable 5.1 with cheaper caching
Wes Roth · September 1, 2026 · Same story
What happened next
- 9Anthropic Sonnet 5.5 narrows gap with Opus at half price
The Rundown AI · September 29, 2026 · Same story
- 10Anthropic Releases Claude Haiku 5.5 for Cost Efficiency
The AI Daily Brief · October 9, 2026 · Same story
- 11Anthropic Releases Claude Opus 5.5 System Card
AI Explained · October 12, 2026 · Related
- 12Anthropic ships Claude 3.5 updates and new apps
Duncan Rogoff · October 21, 2026 · Related
- 13Anthropic files S-1 for $1.5T-$2T IPO
The Verge AI · October 29, 2026 · Related
Follow this story
Open the full story →Anthropic releases Claude Opus 5.5 with tighter security
10 developments
- Sep 22 · The Verge AI
Anthropic releases Claude Opus 5.5 with tighter security - Sep 22 · TechCrunch AI
Anthropic releases Opus 5.5 with lower prices (This article)↳ Opus 5.5 lowers output costs to $20 per million tokens while maintaining performance that beats the larger Fable model in coding and knowled - Sep 22 · GitHub Changelog
Claude Opus 5.5 arrives in GitHub Copilot↳ Claude Opus 5.5 is now available in GitHub Copilot for enterprise developers. - Sep 23 · Matthew Berman
Anthropic releases Opus 5.5 - Sep 23 · Duncan Rogoff
Anthropic releases official Claude Code playbook for Opus 5.5↳ Anthropic released an official guide optimizing Claude Code with Opus 5.5 to reduce latency and cost through specific prompting habits. - Sep 24 · AI Explained
Anthropic Releases Claude Opus 5.5 Model - Sep 25 · Lev Selector
Claude Opus 5.5 and GPT-6 Sol Released↳ OpenAI launches GPT-6 Sol and Luna variants alongside Anthropic's release. - Sep 26 · Matt Wolfe
Anthropic Releases Claude Opus 5.5 - Sep 30 · Matt Wolfe
Anthropic Releases Opus 5.5 Coding Model - Oct 2 · Lev Selector
Anthropic Launches Claude Sonnet 5.5 and Opus 5.5
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