News
Claude Fable 5.1 and Mythos 5.1: faster, half the token usage
Anthropic released Claude Fable 5.1 and Mythos 5.1. Base price holds, but cache reads are 75% cheaper and token usage drops by half.
LLM Pricing
What do AI models cost? Token prices by input vs. output, surcharges for tool use and reasoning, batch discounts, and savings from prompt caching — plus how to realistically estimate the cost per request.
News
Claude Opus 5.5: Fable-Level Performance at an Opus Price, and boostN Already Runs It
Anthropic released Claude Opus 5.5: $4 / $20 per million tokens, about 40% cheaper to run than Opus 5 and ahead of Fable 5.1 on coding benchmarks.
News
Release: GPT-6.1 Sol – everything on pricing, benchmarks and how it compares
OpenAI released GPT-6.1 Sol: $2 / $10 per million tokens, near-Astra coding performance, but behind Anthropic's models on the overall index.
News
Claude Code limits reset September 14 at 9:00 CEST: net 17% less capacity
Anthropic has ended the 50% boost. Since September 14 at 9:00 CEST, the permanent baseline is +25% – roughly 17% less capacity than before.
News
Claude Sonnet 5: Anthropic's workhorse at a promo price of 2/10 dollars
Anthropic releases Claude Sonnet 5 on July 1, 2026 — near-Opus performance per the vendor, at an intro price of 2/10 dollars per million tokens.
News
Reversal: Anthropic cancels the planned Sonnet 5 price increase
The 50 percent hike on Claude Sonnet 5 set for September 1 is off. Anthropic makes the 2/10 dollar introductory price permanent.
Blog
AI in Review — August 2026: A Price U-Turn, the Open-Weight Wave and an Enforceable EU AI Act
August 2026 in AI: Sonnet 5 price freeze, Qwen3.8-Max, the open-weight wave, Google AI Mode on Gemini Flash and the enforceable EU AI Act — sorted out.
Blog
Prompt Caching in practice: from €280 to €47 per month
Real numbers from a customer setup with Claude Sonnet. What prompt caching delivers, when it pays off — and where the pitfalls are.
Blog
Usage-based instead of flat-rate: The AI cost turn was predictable — and here is how to absorb it
AI providers are pushing flat rates toward metered billing. Why it had to happen, what it costs and three levers that soften the shift.