Alternatives to Claude Sonnet 5
For customer support replies, Claude Sonnet 5 scores 56 and costs $7.00 per 1,000 replies. Here’s what beats it on price, on quality, or on privacy.
Overall 53$4.00 / 1M
98% similarGPT-6.1 SolOpenAIOverall74+21
Blended / 1M$4.00±0%
GPT-6.1 Sol vs Claude Sonnet 5Overall+21Coding+23Writing+5Support+2Value+21Context1.1M
98% similarGPT-5.6 TerraOpenAIOverall60+7
Blended / 1M$4.50+13%
GPT-5.6 Terra vs Claude Sonnet 5Overall+7Coding−1Writing±0Support+1Value+7Context1.1M
92% similarOpen weightsDeepSeek V4 ProDeepSeekOverall53±0
Blended / 1M$1.98−50%
DeepSeek V4 Pro vs Claude Sonnet 5Overall±0Coding+1Writing+8Support+3Value+4Context1M
88% similarClaude Sonnet 5.5AnthropicOverall79+26
Blended / 1M$4.00±0%
Claude Sonnet 5.5 vs Claude Sonnet 5Overall+26Coding+32Writing+21Support+13Value+26Context1M
86% similarGPT-6 AstraOpenAIOverall74+21
Blended / 1M$20.00+400%
GPT-6 Astra vs Claude Sonnet 5Overall+21Coding+27Writing+2Support±0Value+13Context1.1M
85% similarGPT-5.6 SolOpenAIOverall68+15
Blended / 1M$8.00+100%
GPT-5.6 Sol vs Claude Sonnet 5Overall+15Coding+12Writing+14Support+10Value+11Context1.1M
84% similarOpen weightsGLM-5.3Z.aiOverall61+8
Blended / 1M$2.15−46%
GLM-5.3 vs Claude Sonnet 5Overall+8Coding+13Writing+17Support+11Value+11Context1M
84% similarMistral Large 4Mistral AIOverall37−16
Blended / 1M$2.07−48%
Mistral Large 4 vs Claude Sonnet 5Overall−16Coding±0Writing−19Support−10Value−13Context1M
82% similarQwen3.8 MaxAlibaba (Qwen)Overall66+13
Blended / 1M$3.00−25%
Qwen3.8 Max vs Claude Sonnet 5Overall+13Coding+20Writing+22Support+16Value+15Context1M
Similarity is closeness in customer support replies score and in price. Cheaper means at least 30% less for within 5 points. Scores are provisional.
Tell me when a better alternative to Claude Sonnet 5 appears.