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OCT 13, 2026 · MAPLEHILL LABS · WEEKLY · MARKET

Model market week of October 12, 2026

The market this week

New in the index (6):

Price moves — largest 8 of 26 observed moves:

Provider availability:

Most-used models (OpenRouter tokens, trailing 7 days):

Measured note: z-ai/glm-5.3-flash on pareto-inference sped up week-over-week — median TTFT 3.02s → 1.27s (≥3 daily probes each week).

Around the industry

  • Anthropic launched Claude Haiku 5.5 on October 7, describing it as its fastest small model and pricing it about 75% below Haiku 4.5 [1]
  • Anthropic cut Claude Sonnet 5.5 cache-read pricing by 50% on October 7, making most agentic workloads about 20% cheaper [1]
  • OpenAI began globally rolling out GPT-6 with Intelligent UI to ChatGPT Plus, Pro, Business, and Enterprise users on October 7 [2]
  • OpenAI expanded the GPT-6 rollout to ChatGPT Free and Go users on October 8 [2]
  • OpenAI made GPT-6.1 Sol ultrafast mode available to all API users on October 8, subject to rate limits [8]

Assembled automatically from ModelIndex's observed data and cited external sources. Sourced claims link to their citations; our own figures link to the live pages they come from.