OpenAI
GPT-5.6 Sol Alternatives

Alternatives
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Head to head
All comparisons- Gemini 4 Argon vs GPT-5.6 Sol: GPT-5.6 Sol $4 / $20 vs Gemini 4 Argon $2 / $10 per 1M tokens in / out.
- Claude Fable 5.1 vs GPT-5.6 Sol: GPT-5.6 Sol $4 / $20 vs Claude Fable 5.1 $10 / $50 per 1M tokens in / out.
- Claude Opus 5.5 vs GPT-5.6 Sol: GPT-5.6 Sol $4 / $20 vs Claude Opus 5.5 $4 / $20 per 1M tokens in / out.
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Questions
What are alternatives to GPT-5.6 Sol
Claude Fable 5.1, Claude Fable 5.2, Claude Fable 5, Claude Mythos 5.1, Claude Mythos 5.2.
What is the lowest listed price among GPT-5.6 Sol alternatives
GLM-5.3 at $1.40 per 1M input tokens, by listed price only.
Source: openai.com, read Nov 9, 2026.