Anthropic cuts Haiku prices as GPT-6 reaches every ChatGPT tier [Oct 8 2026]
Anthropic released Claude Haiku 5.5 on 7 October at $0.10 per million input tokens and $0.50 per million output tokens for prompts up to 100k, which it says is 90% cheaper than Haiku 4.5 for requests of that size and about 75% lower on average. OpenAI began rolling GPT-6 and a new Intelligent UI out to paid ChatGPT tiers the same day and to the Free and Go tiers on 8 October, reaching what it describes as more than 1.2 billion weekly users. NVIDIA said a fine-tuned Nemotron 3 scored 535.4/600 at IOI 2026, above the 361.12 gold threshold and the top human score of 498.27, and 30/42 at IMO 2026…
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