Anthropic API unveils Opus 4.6 pricing with new >200K token tiers
What happened
Between the Feb 4, 2026 and Feb 9, 2026 captures of Anthropic's pricing page, Pulse recorded one change: Opus 4.5 moved from Latest models to Legacy models section; Opus 4.6 input pricing: added >200K token tier at $10/MTok (2x the ≤200K rate of $5/MTok); Opus 4.6 output pricing: added >200K token tier at $37.50/MTok (1.5x the ≤200K rate of $25/MTok); Opus 4.6 prompt caching: added >200K token tier (Write $12.50/MTok, Read $1/MTok). Pulse files it as a packaging change (package change) with a neutral direction. Pulse's latest capture (Oct 12, 2026) lists Haiku 4.5 at $5 per MTok output + $1.25 per MTok cache write, Sonnet 5 at $2 per MTok input + $10 per MTok output, Opus 5 at $6.25 per MTok cache write + $0.5 per MTok cache read, Fable 5 at $12.5 per MTok cache write + $1 per MTok cache read and Opus 4.8 at $6.25 per MTok cache write + $5 per MTok input.
Anthropic's previous recorded change was "Anthropic API ends holiday promo, drops 2x usage boost for paid subscribers" (Week 2, 2026). Before that Pulse recorded "Anthropic API Cuts Flagship Opus Model Prices by 67% in Major Update to Version 4.5, Launching New Pricing Structure" (Jan 10, 2026). Anthropic has been tracked since 2024-11-17.
In the same window X, Microsoft and OpenAI also changed their AI & Machine Learning pricing pages. Those moves are listed further down, and the Pulse Agent can compare them side by side.
- Opus 4.5, Opus 4.6 · PackagingChangedLatest modelsLegacy models section
| Plan | Field | Before | After | Change |
|---|---|---|---|---|
| Opus 4.5, Opus 4.6 | Packaging | Latest models | Legacy models section | Changed |
Values as written on Anthropic's public pricing page in the two captures Pulse compared; where the page states no number, the cells give the wording before and after.
Evidence
The two captures Pulse comparedFull-page captures of Anthropic's pricing page (anthropic.com) from Feb 4, 2026 and Feb 9, 2026; the change is marked near the top of the page, where "Latest models" becomes "Legacy models section".
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Anthropic, the last 90 days
Full history- Mar 16, 2026packagingAnthropic API simplifies pricing, removes volume-based tiers
- Feb 18, 2026packagingAnthropic API replaces Sonnet 4.5 with 4.6 at same price point
- Week 7, 2026packagingAnthropic API rolls out tiered pricing for Opus 4.6 by context length
- Feb 9, 2026packagingAnthropic API unveils Opus 4.6 pricing with new >200K token tiers · this change
- Week 2, 2026packagingAnthropic API ends holiday promo, drops 2x usage boost for paid subscribers
- Jan 10, 2026packagingAnthropic API Cuts Flagship Opus Model Prices by 67% in Major Update to Version 4.5, Launching New Pricing Structure
Across AI & Machine Learning in the same window
All AI & Machine Learning changes- XJan 23X Introduces New grok-4.1 Models with Enhanced Image Input Pricing and Tool Calling Features
- MicrosoftJan 20Microsoft Copilot Transforms Copilot Pro into Family-Oriented 365 Premium Subscription with Enhanced AI Features and Increased Cloud Storage
- OpenAIJan 20OpenAI Introduces New 'Go' Plan with Expanded Access to GPT-5.2 and Enhanced Features Between Free and Plus Tiers
Questions about this change
Did Anthropic raise prices in February 2026?
No list-price increase was recorded between Feb 4, 2026 and Feb 9, 2026. The change Pulse detected was a packaging change: package change.
What changed on Anthropic's pricing page between Feb 4, 2026 and Feb 9, 2026?
Opus 4.5, Opus 4.6 packaging: Latest models → Legacy models section, changed. Pulse compared the captures it took on Feb 4, 2026 and Feb 9, 2026; the before/after table above lists each item as written on the page.
How often does Anthropic change its pricing?
Pulse recorded 2 other pricing-page changes for Anthropic in the 90 days before this one; the previous change was "Anthropic API ends holiday promo, drops 2x usage boost for paid subscribers" in Week 2, 2026; Anthropic has been tracked since 2024-11-17.