Anthropic launches Sonnet 5, cuts price to $2/$10 per MTok through Aug 31
What happened
Between the Jun 29, 2026 and Jul 6, 2026 captures of Anthropic's pricing page, Pulse recorded one change: Sonnet flagship API model relaunched as 'Sonnet 5' (was Sonnet 4.6) with introductory pricing of $2/$10 per MTok input/output (down from $3/$15); reverts to $3/$15 standard after Aug 31, 2026. Sonnet 4.6 demoted to Legacy models. Pulse files it as a pricing change (price decrease) with a downward direction. Pulse's latest capture (Oct 12, 2026) lists Pro at $17, Enterprise (self-serve) at $20, Team (Standard seat) at $20, Max 5x at $100 and Team (Premium seat) at $100.
It lands 7 days after Anthropic's previous change, "Anthropic adds Claude AI to all consumer plan tiers" (Jun 29, 2026). Before that Pulse recorded "Anthropic API: Fast mode for Opus 4.8 + Managed Agents pricing added" (Jul 2, 2026), "Anthropic API shifts Opus 4.8 focus to enterprise agentic coding" (Jun 19, 2026) and "Anthropic adds Fable model and Claude Design to all plans" (Jun 16, 2026). Anthropic has been tracked since 2024-11-17.
In the same window Microsoft, Google, X, Mistral AI 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.
- — · PricePrice decrease
Sonnet flagship API model relaunched as 'Sonnet 5' (was Sonnet 4.6) with introductory pricing of $2/$10 per MTok input/output (down from $3/$15); reverts to $3/$15 standard after Aug 31, 2026. Sonnet 4.6 demoted to Legacy models.
| Plan | Field | Before | After | Change |
|---|---|---|---|---|
| — | Price | — | $3 | Price decrease |
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 Jun 29, 2026 and Jul 6, 2026; the change is marked near the top of the page.
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Anthropic, the last 90 days
Full history- Sep 21, 2026packagingAnthropic boosts context window to 1M across all Claude plans
- Sep 17, 2026improvedAnthropic raises context windows up to 1M, revamps Pro and Max plans
- Jul 23, 2026improvedAnthropic: Fable model + context window disclosed in comparison table
- Jul 6, 2026decreaseAnthropic launches Sonnet 5, cuts price to $2/$10 per MTok through Aug 31 · this change
- Jun 29, 2026improvedAnthropic adds Claude AI to all consumer plan tiers
- Jul 2, 2026packagingAnthropic API: Fast mode for Opus 4.8 + Managed Agents pricing added
- Jun 19, 2026packagingAnthropic API shifts Opus 4.8 focus to enterprise agentic coding
- Jun 16, 2026improvedAnthropic adds Fable model and Claude Design to all plans
- Jun 2, 2026packagingAnthropic API launches Opus 4.8 with new fast mode for lightning speeds
- May 13, 2026improvedAnthropic API consolidates Microsoft 365 and Outlook integrations
Across AI & Machine Learning in the same window
All AI & Machine Learning changes- MicrosoftJul 6Microsoft Copilot bundles Business Premium, Standard plans with Copilot access
- GoogleJul 6Google Vertexai delays Agent Gateway billing to July 13, extends free window
- XJul 4xAI: Grok lineup replaced (grok-4.3, grok-build-0.1), smaller context windows
- Mistral AIJun 2Mistral AI adds Task scheduling, Skills, and Workflows in major overhaul
- OpenAIMay 11OpenAI API raises GPT-Realtime-2 text output 50%, adds translate
Questions about this change
Did Anthropic raise prices in July 2026?
No — prices went down. Between Jun 29, 2026 and Jul 6, 2026 Anthropic's pricing page showed 1 price cut: Sonnet flagship API model relaunched as 'Sonnet 5' (was Sonnet 4.6) with introductory pricing of $2/$10 per MTok input/output (down from $3/$15); reverts to $3/$15 standard after Aug 31, 2026. Sonnet 4.6 demoted to Legacy models..
What changed on Anthropic's pricing page between Jun 29, 2026 and Jul 6, 2026?
Sonnet flagship API model relaunched as 'Sonnet 5' (was Sonnet 4.6) with introductory pricing of $2/$10 per MTok input/output (down from $3/$15); reverts to $3/$15 standard after Aug 31, 2026. Sonnet 4.6 demoted to Legacy models. Pulse compared the captures it took on Jun 29, 2026 and Jul 6, 2026; the before/after table above lists each item as written on the page.
How often does Anthropic change its pricing?
Pulse recorded 9 other pricing-page changes for Anthropic in the 90 days before this one; the previous change was "Anthropic adds Claude AI to all consumer plan tiers" on Jun 29, 2026; Anthropic has been tracked since 2024-11-17.