# The day the frontier got cheaper: every model launched on September 22, 2026

> GPT-6 Sol and Luna, Claude Opus 5.5, Grok 4.7, Xiaomi MiMo-V2.6, China Telecom Xing4.0 and Nex N2.5 — what launched, how it is priced and what it changes in an AI budget.

Source: https://tokenomy.ai/blog/model-launches-september-22-2026
Last updated: 2026-09-22
Publisher: Tokenomy — FinOps for AI
License: free to quote with attribution and a link to the source URL.

The densest model-release day of the year. Anthropic, OpenAI, xAI, Xiaomi and China Telecom all shipped within roughly a day of each other — and every announcement led with cost, not capability.

## Overview

The densest model-release day of the year. Anthropic, OpenAI, xAI, Xiaomi and China Telecom all shipped within roughly a day of each other — and every announcement led with cost, not capability.

- OpenAI GPT-6 Sol and Luna: API prices cut by half versus the GPT-5.6 tier
- Anthropic Claude Opus 5.5: Fable 5.1-level quality with a 20% list price cut
- xAI Grok 4.7: trained for agentic tasks that run for hours
- Xiaomi MiMo-V2.6 and China Telecom Xing4.0: open-weight omnimodal and agentic options
- What the new price bands do to a real monthly AI bill

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