Anthropic raised Claude API rate limits and consolidated usage tiers into Start, Build, and Scale.

Higher limits reduce capacity friction for Sonnet and Haiku users, and no organization needs action or takes lower limits.

Tiering is now simpler: Start, Build, and Scale, with limits visible in Claude Console for builders checking quotas.

• Jun 27, 2026OpenAI retired GPT-4.5 in ChatGPT, including custom GPTs, with existing conversations continuing on GPT-5.5.
• Jun 27, 2026OpenAI modelcard diff removed API docs navigation content.
• Jun 27, 2026Anthropic removed model-card text covering Claude Fable 5 and Claude Mythos 5.

This is the world we build in. It moves this fast. We move with it.