Skip to main content

Claude Opus 5.5, GPT-6 Sol, GPT-6 Luna are available!

  • Claude Opus 5.5 — Anthropic’s Sept 2026 flagship for agentic coding and long knowledge work. Fable 5.1–level on most tasks, ~40% cheaper to run than Opus 5. $4 / $20 per M tokens.

  • GPT-6 Sol — OpenAI’s mid-tier GPT-6 (below Astra). Complex coding and agents, much of Astra’s strength at half GPT-5.6 Sol’s price. $2 / $10 per M tokens.

  • GPT-6 Luna — Cheapest/fastest GPT-6. High-volume focused tasks (extract, classify, summarize, simple code). $0.10 / $0.50 per M tokens.

NewAI Models