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Series

Claude models

6 articles in this series, newest first.

AI & Chatbots

Claude Fable 5.2 Fast Mode: Pricing, How to Turn It On and Limits

Fable 5.2 fast mode doubles the price for up to 2.5x faster output. What it costs, how to turn it on in the API and Claude Code, and when it is worth paying for.

12 min read
AI & Chatbots

Claude Fable 5.2 API Tutorial: Python, TypeScript and Cost Math

How to call Claude Fable 5.2 from Python and TypeScript: model ID, effort, streaming, tools, migrating from Fable 5.1, and worked cost examples with caching and batch.

12 min read
Guide
AI & Chatbots

Claude Fable 5.2: Pricing, Fast Mode, Benchmarks and What Changed

Anthropic released Claude Fable 5.2 on 9 November 2026: cheaper and faster than Fable 5.1, with a new fast mode. Prices, limits, benchmarks and who should use it.

14 min read
AI & Chatbots

Claude Mythos 5.2 Access: Who Qualifies, How to Apply, Pricing

Mythos 5.2 is Fable 5.2 with looser cyber and biology safeguards, open only through Anthropic's verification programs. Who qualifies, how to apply, prices, options.

12 min read
Comparison
AI & Chatbots

Claude Fable 5.2 vs Opus 5.5: Which to Use and What It Costs

Anthropic still tells most teams to start on Opus 5.5 and move up to Fable 5.2 when evals fall short. Prices, speed, limits, plans, a checklist and cost examples.

12 min read
Comparison
AI & Chatbots

Claude Fable 5.2 vs GPT-6 Astra: Pricing, Benchmarks and Verdict

Fable 5.2 lists below GPT-6 Astra per token, but cost per task depends on effort. Prices, context, speed, sourced benchmarks, access and a verdict by use case.

12 min read