Claude Fable 5.1 vs GPT-5.6 Sol

A side-by-side comparison of Claude Fable 5.1 and GPT-5.6 Sol — intelligence, context, capabilities, and price.

Spec
Claude Fable 5.1 logoClaude Fable 5.1
GPT-5.6 Sol logoGPT-5.6 Sol
Context window1M1.1M
Streaming
Reasoning
Tool use
Web search
Vision (image input)
Document input
Video
Audio
Claude Fable 5.1 pricing
  • Input$10 / 1M tokens
  • Cached input$0.25 / 1M tokens
  • 5m cache write$12.5 / 1M tokens
  • 1h cache write$20 / 1M tokens
  • Output$50 / 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 Fable 5.1details →
GPT-5.6 Sol pricing
  • Input$5 / 1M tokens
  • Cached input$0.5 / 1M tokens
  • Cache write$6.25 / 1M tokens
  • Output$30 / 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 Soldetails →

Claude Fable 5.1 vs GPT-5.6 Sol: FAQ

Is Claude Fable 5.1 better than GPT-5.6 Sol?
Anthropic's newest frontier model for coding, knowledge work, and long-horizon agentic runs. Beats both Fable 5 and Opus 5 on Terminal-Bench 4.0 (55.8%), CursorBench 3.2 (73.4%), and Humanity's Last Exam (65.0% with tools), at 75% cheaper cache reads than Fable 5. OpenAI's flagship. Scores 61 on the AA Intelligence Index v4.1 and sets the state of the art on the Coding Agent Index (80), with an `ultra` multi-agent mode for the hardest work. The best choice depends on your workload — compare context window, capabilities, and price above, or try both on TryAI.
Which is cheaper, Claude Fable 5.1 or GPT-5.6 Sol?
See the pricing rows above for live per-token or per-generation costs. TryAI bills both from one pay-as-you-go balance.