Language Model News

OpenAI

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2026/10/13

  1. GPT-6.1 Sol charges less than GPT-6 Sol for cached input
    ModelOpenAI
  2. Claude Haiku 5.5 is priced like GPT-6 Luna up to 100K tokens, and five times higher beyond
    PriceAnthropicOpenAI

2026/09/28

  1. GPT-6 Sol and GPT-6 Luna: Luna costs a twentieth of Sol
    ModelOpenAI

2026/09/15

  1. Sakana AI's Fugu Ultra v2 and Fugu Max answer by routing work to other models
    ModelSakana AIOpenAI
  2. Inception's Mercury 2.5, a diffusion model at $0.75 per million output tokens
    PriceInceptionOpenAIAnthropic
  3. GPT-Live 1 bills by the minute, at $0.05, with the reasoning model on top
    PriceOpenAI

2026/09/08

  1. GPT-6 Astra and the three models that make up GPT-6
    ModelOpenAI
  2. GPT-6 Astra prices, and the 272K line that reprices the whole request
    PriceOpenAIAnthropic

2026/09/02

  1. A benchmark number means nothing without the conditions it was taken under
    BenchmarkAnthropicOpenAIGoogleDeepSeek
  2. OpenAI API prices: the GPT-5.6 line has long-context rates too
    PriceOpenAI
  3. What prompt caching actually costs, and where the tenth does not hold
    CostOpenAIAnthropicGoogleDeepSeekxAIMetaMistralAlibabaMoonshotSakana AI
  4. Long context: who reprices the whole request, and who does not
    CostOpenAIAnthropicGooglexAIAlibabaMoonshotSakana AI