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Alternatives to Claude Sonnet 5.5

For coding help for non-developers, Claude Sonnet 5.5 scores 87 and costs $21.00 per 1,000 requests. Here’s what beats it on price, on quality, or on privacy.

Overall 79$4.00 / 1M
97% similarGemini 4 ArgonGoogle
Overall96+17
Blended / 1M$4.00±0%
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Gemini 4 Argon vs Claude Sonnet 5.5Overall+17Coding−3Writing+21Support+28Value+17Context1M
92% similarKimi K3.1 ProMoonshot AI
Overall–
Blended / 1M$4.00±0%
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Kimi K3.1 Pro vs Claude Sonnet 5.5Overall–Coding−8Writing–Support–Value–Context1M
91% similarGPT-6.1 SolOpenAI
Overall74−5
Blended / 1M$4.00±0%
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GPT-6.1 Sol vs Claude Sonnet 5.5Overall−5Coding−9Writing−16Support−11Value−5Context1.1M
89% similarClaude Opus 5Anthropic
Overall86+7
Blended / 1M$10.00+150%
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Claude Opus 5 vs Claude Sonnet 5.5Overall+7Coding−3Writing+12Support+15Value+2Context1M
85% similarQwen3.8 MaxAlibaba (Qwen)
Overall66−13
Blended / 1M$3.00−25%
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Qwen3.8 Max vs Claude Sonnet 5.5Overall−13Coding−12Writing+1Support+3Value−11Context1M
84% similarClaude Fable 5.1Anthropic
Overall92+13
Blended / 1M$20.00+400%
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Claude Fable 5.1 vs Claude Sonnet 5.5Overall+13Coding+2Writing+16Support+14Value+4Context1M
83% similarOpen weightsKimi K3Moonshot AI
Overall65−14
Blended / 1M$6.00+50%
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Kimi K3 vs Claude Sonnet 5.5Overall−14Coding−13Writing−5Support+4Value−17Context1M
83% similarMuse WonderMeta
Overall80+1
Blended / 1M$8.00+100%
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Muse Wonder vs Claude Sonnet 5.5Overall+1Coding−11Writing+7Support+10Value−3Context1M
81% similarClaude Opus 5.5Anthropic
Overall97+18
Blended / 1M$8.00+100%
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Claude Opus 5.5 vs Claude Sonnet 5.5Overall+18Coding+13Writing+26Support+21Value+14Context1M

Similarity is closeness in coding help for non-developers score and in price. Cheaper means at least 30% less for within 5 points. Scores are provisional.

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