Claude Opus 5 vs GPT-5.6 Sol

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

Claude Opus 5anthropic GPT-5.6 Solopenai
Input / 1M tokens $5.00 $5.00
Output / 1M tokens $25.00 $30.00
1M in + 300K out $12.50 $14.00
Context window 1M 1.1M
Intelligence index 60.7 58.9
Coding index 78.0 77.4
Agentic index 55.3 54.0
Cheapest provider Claude Platform on AWS Azure
Providers serving it 5 2
Weights Closed Closed
Image input Yes Yes
Tool calling Yes Yes
Reasoning mode Yes Yes
Released Jul 24, 2026 Jul 9, 2026

Which one to pick

Pick Claude Opus 5 if…

  • You want the higher general-intelligence score (60.7).
  • Code quality is the priority — it leads on the coding index (78.0).
  • You are running agent loops — higher agentic index (55.3).
  • Token cost matters: $25.00 per 1M output vs $30.00.
  • You want provider redundancy: 5 providers serve it.

Pick GPT-5.6 Sol if…

  • You need the bigger context window (1.1M).

FAQ

Is Claude Opus 5 better than GPT-5.6 Sol?

Claude Opus 5 scores higher on general intelligence (60.7 vs 58.9), while Claude Opus 5 is 1.2× cheaper per output token ($25.00 vs $30.00). For code, Claude Opus 5 leads (78.0 coding index). GPT-5.6 Sol takes the larger context at 1.1M.

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

Claude Opus 5, at $25.00 per 1M output tokens versus $30.00. On a 1M input + 300K output workload that is $12.50 against $14.00.

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

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

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