Anthropic
Claude Opus 5.5 Alternatives
Alternatives
Claude Fable 5.1$10 / $50Claude Fable 5.2$8 / $40Claude Fable 5$10 / $50Claude Mythos 5.1$10 / $50Claude Mythos 5.2$8 / $40Claude Mythos 5$10 / $50
Gemini 4 Argon$2 / $10GLM-5.3$1.40 / $4.40Get an email when any of the flagship models we track change price
GPT-5.6 Sol$4 / $20GPT-6 Astra$10 / $50
Grok 4.7$2 / $6Kimi K3.1 Pro$2 / $10Kimi K3$3 / $15
Muse WonderHead to head
All comparisons- GPT-6 Astra vs Claude Opus 5.5: Claude Opus 5.5 $4 / $20 vs GPT-6 Astra $10 / $50 per 1M tokens in / out.
- Gemini 4 Argon vs Claude Opus 5.5: Claude Opus 5.5 $4 / $20 vs Gemini 4 Argon $2 / $10 per 1M tokens in / out.
- Claude Opus 5.5 vs GPT-5.6 Sol: Claude Opus 5.5 $4 / $20 vs GPT-5.6 Sol $4 / $20 per 1M tokens in / out.
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Questions
What are alternatives to Claude Opus 5.5
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 Claude Opus 5.5 alternatives
GLM-5.3 at $1.40 per 1M input tokens, by listed price only.
Source: anthropic.com, read Nov 9, 2026.