Are you running all your tests? Let's try just '--since-last-run' in Vitest 5.1

A quick thought for tonightIt's Saturday night, time for another cup of coffee. Before the weekend starts, I want to give my ...

Claude Fable 5.2 Review: Measured with the same procedure as 5.1, completion costs dropped by 77%

On November 9, 2026, Anthropic announced Claude Fable 5.2. It is based on the same foundation model as the simultaneously ...
9to5Mac

Anthropic upgrades Claude with new Fable 5.1 model, details here

In Anthropic’s world, Fable is Claude’s most capable model. Haiku, Sonnet, and Opus are the small, medium, and large models below Fable. “Claude Fable 5.1 sets a new standard on coding, knowledge work ...
MacRumors

Anthropic Launches Claude Fable 5.1 With Lower Costs and Fewer False Positives

Anthropic today introduced Claude Fable 5.1 and Claude Mythos 5.1, which the company says are the "world's most advanced models for coding and knowledge work." According to Anthropic, Claude Fable 5.1 ...
ZDNet

Claude Opus 5.5 delivers Fable 5.1 performance – and costs 40% less

Anthropic’s newest Claude model aims to make frontier AI cheaper, faster, and safer, while giving subscribers more breathing room before those frustrating usage limits kick in. Less than two months ...
VentureBeat

Anthropic releases Claude Opus 5.5, beating Fable 5.1 on key agentic benchmarks at 60% cheaper API price

Also today, OpenAI released GPT-6 Sol and GPT-6 Luna, two lower-cost members of its GPT-6 family. Sol costs $2 per million input tokens and $10 per million output tokens — exactly half Opus 5.5’s base ...
digitaltrends.com

Anthropic launches Claude Opus 5.5 with Fable 5.1 level performance at a 40% lower price

What makes Opus 5.5 different? Anthropic says Opus 5.5 leads its benchmark tests for agentic coding, computer use, and knowledge work. On GDPval-AA v2.1, which covers work across 44 occupations, it ...