Claude Sonnet 5 vs GPT-5.6 Luna

A side-by-side comparison of Claude Sonnet 5 and GPT-5.6 Luna — intelligence, context, capabilities, and price.

Spec
Claude Sonnet 5 logoClaude Sonnet 5
GPT-5.6 Luna logoGPT-5.6 Luna
Context window1M1.1M
Streaming
Reasoning
Tool use
Web search
Vision (image input)
Document input
Video
Audio
Claude Sonnet 5 pricing
  • Input$3 / 1M tokens
  • Cached input$0.3 / 1M tokens
  • 5m cache write$3.75 / 1M tokens
  • 1h cache write$6 / 1M tokens
  • Output$15 / 1M tokens
  • Web search (when used)$10 / 1,000 searchs

Provider-equivalent rates. Higher reasoning can use more output tokens. TryAI charges a one-credit minimum and rounds each run's aggregate cost up once.

View Claude Sonnet 5details →
GPT-5.6 Luna pricing
  • Input$1 / 1M tokens
  • Cached input$0.1 / 1M tokens
  • Cache write$1.25 / 1M tokens
  • Output$6 / 1M tokens
  • Web search (when used)$10 / 1,000 calls

Provider-equivalent rates. Higher reasoning can use more output tokens. TryAI charges a one-credit minimum and rounds each run's aggregate cost up once.

View GPT-5.6 Lunadetails →

Claude Sonnet 5 vs GPT-5.6 Luna: FAQ

Is Claude Sonnet 5 better than GPT-5.6 Luna?
Anthropic's current fast workhorse — near-Opus quality at much lower latency and cost. Fastest, most affordable GPT-5.6 tier — outperforms Claude Opus 4.8 on the Coding Agent Index at roughly a quarter of the cost. The best choice depends on your workload — compare context window, capabilities, and price above, or try both on TryAI.
Which is cheaper, Claude Sonnet 5 or GPT-5.6 Luna?
See the pricing rows above for live per-token or per-generation costs. TryAI bills both from one pay-as-you-go balance.