Frontier Models

The most capable proprietary models from Anthropic, OpenAI, and Google — accessed via API or web product

• Adopt
  • Claude Fable 5
  • Claude Opus 4.7
  • Claude Opus 4.8
  • Claude Opus 5
  • Claude Sonnet 4.6
  • GPT-5.4
• Trial
  • Gemini 3.1 Pro
  • Gemini 3.5 Flash
  • GPT-5.5
  • GPT-5.6
  • Grok 4.2
  • Meta Muse Spark
• Assess
  • Claude Mythos Preview
  • Cohere Command R/A
• Hold
  • Claude 3.5 Sonnet
  • Claude Opus 4.6
  • Gemini 1.5 Pro
  • GPT-4o