Claude Fable 5 vs GPT-5.6 Sol

Price, context and benchmark scores side by side — every number from the live model catalogue.

Claude Fable 5anthropic GPT-5.6 Solopenai
Input / 1M tokens $10.00 $5.00
Output / 1M tokens $50.00 $30.00
1M in + 300K out $25.00 $14.00
Context window 1M 1.1M
Intelligence index 59.9 58.9
Coding index 76.5 77.4
Agentic index 52.8 54.0
Cheapest provider Azure Azure
Providers serving it 4 2
Weights Closed Closed
Image input Yes Yes
Tool calling Yes Yes
Reasoning mode Yes Yes
Released Jun 9, 2026 Jul 9, 2026

Which one to pick

Pick Claude Fable 5 if…

  • You want the higher general-intelligence score (59.9).
  • You want provider redundancy: 4 providers serve it.

Pick GPT-5.6 Sol if…

  • Code quality is the priority — it leads on the coding index (77.4).
  • You are running agent loops — higher agentic index (54.0).
  • Token cost matters: $30.00 per 1M output vs $50.00.
  • You need the bigger context window (1.1M).

FAQ

Is Claude Fable 5 better than GPT-5.6 Sol?

Claude Fable 5 scores higher on general intelligence (59.9 vs 58.9), while GPT-5.6 Sol is 1.7× cheaper per output token ($30.00 vs $50.00). For code, GPT-5.6 Sol leads (77.4 coding index). GPT-5.6 Sol takes the larger context at 1.1M.

Which is cheaper, Claude Fable 5 or GPT-5.6 Sol?

GPT-5.6 Sol, at $30.00 per 1M output tokens versus $50.00. On a 1M input + 300K output workload that is $14.00 against $25.00.

Can I self-host Claude Fable 5 or GPT-5.6 Sol?

Claude Fable 5: closed weights, API only. GPT-5.6 Sol: closed weights, API only.

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