Frontier LLM API Prices After the September 2026 Price War
Cost-per-token comparison of Opus 5.5, Fable 5.1, GPT-6 Sol and Luna, and Grok 4.7 after the September 2026 price war, plus where local inference wins.
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Cost-per-token comparison of Opus 5.5, Fable 5.1, GPT-6 Sol and Luna, and Grok 4.7 after the September 2026 price war, plus where local inference wins.
What sits at the top of the field right now, hosted or downloadable, with every licence, price and index score re-read from a primary source today.
Moonshot released the full Kimi K3 weights on July 27, 2026: 2.8T params, 1M context, MXFP4. Read the license before you plan a deployment.
A UK safety test found five frontier models used forbidden shortcuts in cyber evaluations, exposing limits in self-reporting and reasoning traces.
SpaceXAI's Grok 4.5 lands at $2 input and $6 output per million tokens - cheaper than Claude Opus 4.7's $5/$25 and OpenAI's top GPT-5.5 at $5/$30.
Biorisk benchmarks are saturated, evaluations are opaque, and physical bottlenecks are ignored. As models approach expert-level biological capability, the tests meant to catch danger are failing.
The count of new AI laws signed in 2026 jumped from 6 to 25 in a month. Connecticut just passed a sweeping frontier AI bill. And the federal government still can't agree on preemption.
The biggest burst of AI lawmaking in US history. New York's RAISE Act creates the first state-level frontier model oversight office. Utah signs 9 AI bills. Tennessee votes 93-2 that AI is not a person.