Home / Alternatives / Claude Sonnet 5 An Alternatives to Claude Sonnet 5 For writing marketing and blog copy, Claude Sonnet 5 scores 53 and costs $13.60 per 1,000 drafts. Here’s what beats it on price, on quality, or on privacy.
Overall 53 $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 98% similar OA GPT-5.6 Terra OpenAI Overall 60+7
Blended / 1M $4.50+13%
Trade-offs ↻ Model page GPT-5.6 Terra vs Claude Sonnet 5 Overall +7 Coding −1 Writing ±0 Support +1 Value +7 Context 1.1M Back
95% similar OA GPT-6.1 Sol OpenAI Overall 74+21
Blended / 1M $4.00±0%
Trade-offs ↻ Model page GPT-6.1 Sol vs Claude Sonnet 5 Overall +21 Coding +23 Writing +5 Support +2 Value +21 Context 1.1M Back
84% similar Open weights DS DeepSeek V4 Pro DeepSeek Overall 53±0
Blended / 1M $1.98−50%
Trade-offs ↻ Model page DeepSeek V4 Pro vs Claude Sonnet 5 Overall ±0 Coding +1 Writing +8 Support +3 Value +4 Context 1M Back
84% similar G Gemini 3.5 Flash Lite Google Overall 29−24
Blended / 1M $0.85−79%
Trade-offs ↻ Model page Gemini 3.5 Flash Lite vs Claude Sonnet 5 Overall −24 Coding −19 Writing −3 Support −10 Value −16 Context 1M Back
84% similar OA GPT-6 Astra OpenAI Overall 74+21
Blended / 1M $20.00+400%
Trade-offs ↻ Model page GPT-6 Astra vs Claude Sonnet 5 Overall +21 Coding +27 Writing +2 Support ±0 Value +13 Context 1.1M Back
83% similar OA GPT-6 Sol OpenAI Overall 52−1
Blended / 1M $4.00±0%
Trade-offs ↻ Model page GPT-6 Sol vs Claude Sonnet 5 Overall −1 Coding +7 Writing −17 Support −19 Value −1 Context 1.1M Back
80% similar Open weights Ki Kimi K3 Moonshot AI Overall 65+12
Blended / 1M $6.00+50%
Trade-offs ↻ Model page Kimi K3 vs Claude Sonnet 5 Overall +12 Coding +19 Writing +16 Support +17 Value +9 Context 1M Back
80% similar OA GPT-5.6 Sol OpenAI Overall 68+15
Blended / 1M $8.00+100%
Trade-offs ↻ Model page GPT-5.6 Sol vs Claude Sonnet 5 Overall +15 Coding +12 Writing +14 Support +10 Value +11 Context 1.1M Back
80% similar Open weights Mi Mistral Medium 3.5 Mistral AI Overall 18−35
Blended / 1M $3.00−25%
Trade-offs ↻ Model page Mistral Medium 3.5 vs Claude Sonnet 5 Overall −35 Coding −36 Writing −18 Support −16 Value −34 Context 262K 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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