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Anthropic Extends Paid-Plan Access to Claude Fable 5 Through July 12

July 7, 2026 at 17:45 EDT

Foundation Models
AI Agents
Software Dev & Coding

Anthropic said on July 7, 2026, that it will extend access to its frontier model "Claude Fable 5" on all paid plans through July 12. Access had been set to end on July 7, but the company pushed the deadline back again amid strong demand.

July 7, 2026 · Anthropic

Claude Fable 5 free access extended five days — through July 12

Anthropic pushes back the deadline for included access to its frontier Mythos-class model on Pro, Max, Team and select Enterprise plans. After July 12, subscribers must switch to pay-as-you-go usage credits.

+5 days

Free access extended, now ending July 12

50%

Of each plan's weekly usage limit included at no extra charge

80.3%

SWE-Bench Pro (agentic coding) — ahead of rivals

SWE-Bench Pro — agentic coding accuracy

Higher is better · all values share the same 0–100% scale

80.3%

Fable 5

69.2%

Opus 4.8

58.6%

GPT-5.5

Other benchmarks (Fable 5 vs Opus 4.8)

FrontierCode Diamond

29.3% vs 13.4%

Terminal-Bench 2.1

88.0% vs 82.7%

Praised for

Migrating an entire codebase in a single day
Agentic coding, vision and scientific research
Called state-of-the-art in independent reviews

Criticized for

Frequent fallback to Opus 4.8 after tightened safeguards
Sharp drop reported in independent debugging benchmark
Slow, expensive, and weekly limits reached quickly

What happens after July 12

Usage credits become mandatory — subscribers face new decisions about operating costs, as a GPT-5.6 release is expected around July.

$10

per 1M input tokens

$50

per 1M output tokens

token context (128k output)

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