GPT-6 Sol and Claude Opus 5.5 Arrive, Anthropic Expands Billing for Refusal Responses | This Week's AI API Changes (9/21-9/27)

Anthropic (latest)en

Anthropic (latest)

AI Global Wire

Are you keeping track of the deprecations and price hikes for the models you use? The nearest deadline is today, 2026-09-28 (gpt-3.5-turbo-instruct and others), and five more shutdowns will follow by October 5th.

This is a short summary published by AI Global Wire. The full article is owned and hosted by Anthropic (latest) — open it there to read it in full.

Read the full story at Anthropic (latest)
  • OpenAI
  • Anthropic

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