Home / Alternatives / Claude Sonnet 5.5 An Alternatives to Claude Sonnet 5.5 For writing marketing and blog copy, Claude Sonnet 5.5 scores 74 and costs $13.60 per 1,000 drafts. Here’s what beats it on price, on quality, or on privacy.
Overall 79 $4.00 / 1M
Support replies Writing copy Coding help Summaries Spreadsheets Data extraction All Cheaper Open weights Better writing Better coding
Alternatives to Claude Fable 5.1 Claude Haiku 5.5 Claude Opus 5 Claude Opus 5.5 Claude Sonnet 5 Claude Sonnet 5.5 DeepSeek V4 Pro Gemini 3.5 Flash Lite Gemini 3.8 Flash Gemini 4 Argon Gemma 4 31B IT GLM-5.3 GLM-5.3-Flash GPT-5.6 Sol GPT-5.6 Terra GPT-6 Astra GPT-6 Luna GPT-6 Sol GPT-6.1 Sol Grok 4.7 Kimi K3 MiniMax-M3 Mistral Large 4 Mistral Medium 3.5 Muse Spark 1.3 Muse Wonder Nemotron 3 Ultra 550B A55B Nemotron 3.5 Super VL Nova 2 Lite Qwen3.6 27B Qwen3.8 Max 95% similar Qw Qwen3.8 Max Alibaba (Qwen) Overall 66−13
Blended / 1M $3.00−25%
Trade-offs ↻ Model page Qwen3.8 Max vs Claude Sonnet 5.5 Overall −13 Coding −12 Writing +1 Support +3 Value −11 Context 1M Back
92% similar Open weights Ki Kimi K3 Moonshot AI Overall 65−14
Blended / 1M $6.00+50%
Trade-offs ↻ Model page Kimi K3 vs Claude Sonnet 5.5 Overall −14 Coding −13 Writing −5 Support +4 Value −17 Context 1M Back
90% similar M Muse Spark 1.3 Meta Overall 68−11
Blended / 1M $2.00−50%
Trade-offs ↻ Model page Muse Spark 1.3 vs Claude Sonnet 5.5 Overall −11 Coding −12 Writing −4 Support +2 Value −7 Context 1M Back
89% similar Open weights Z GLM-5.3 Z.ai Overall 61−18
Blended / 1M $2.15−46%
Trade-offs ↻ Model page GLM-5.3 vs Claude Sonnet 5.5 Overall −18 Coding −19 Writing −4 Support −2 Value −15 Context 1M Back
88% similar OA GPT-5.6 Sol OpenAI Overall 68−11
Blended / 1M $8.00+100%
Trade-offs ↻ Model page GPT-5.6 Sol vs Claude Sonnet 5.5 Overall −11 Coding −20 Writing −7 Support −3 Value −15 Context 1.1M Back
87% similar M Muse Wonder Meta Overall 80+1
Blended / 1M $8.00+100%
Trade-offs ↻ Model page Muse Wonder vs Claude Sonnet 5.5 Overall +1 Coding −11 Writing +7 Support +10 Value −3 Context 1M Back
85% similar G Gemini 3.8 Flash Google Overall 71−8
Blended / 1M $1.50−62%
Trade-offs ↻ Model page Gemini 3.8 Flash vs Claude Sonnet 5.5 Overall −8 Coding −21 Writing +6 Support +9 Value −3 Context 1M Back
84% similar OA GPT-6.1 Sol OpenAI Overall 74−5
Blended / 1M $4.00±0%
Trade-offs ↻ Model page GPT-6.1 Sol vs Claude Sonnet 5.5 Overall −5 Coding −9 Writing −16 Support −11 Value −5 Context 1.1M Back
80% similar An Claude Opus 5 Anthropic Overall 86+7
Blended / 1M $10.00+150%
Trade-offs ↻ Model page Claude Opus 5 vs Claude Sonnet 5.5 Overall +7 Coding −3 Writing +12 Support +15 Value +2 Context 1M Back
Show 9 more Similarity is closeness in writing marketing and blog copy score and in price. Cheaper means at least 30% less for within 5 points. Scores are provisional.
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