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Alternatives to GPT-6 Astra

For customer support replies, GPT-6 Astra scores 56 and costs $35.00 per 1,000 replies. Here’s what beats it on price, on quality, or on privacy.

Overall 74$20.00 / 1M
86% similarGPT-5.6 TerraOpenAI
Overall60−14
Blended / 1M$4.50−77%
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GPT-5.6 Terra vs GPT-6 AstraOverall−14Coding−28Writing−2Support+1Value−6Context1.1M
86% similarClaude Sonnet 5Anthropic
Overall53−21
Blended / 1M$4.00−80%
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Claude Sonnet 5 vs GPT-6 AstraOverall−21Coding−27Writing−2Support±0Value−13Context1M
84% similarGPT-6.1 SolOpenAI
Overall74±0
Blended / 1M$4.00−80%
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GPT-6.1 Sol vs GPT-6 AstraOverall±0Coding−4Writing+3Support+2Value+8Context1.1M
82% similarGPT-5.6 SolOpenAI
Overall68−6
Blended / 1M$8.00−60%
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GPT-5.6 Sol vs GPT-6 AstraOverall−6Coding−15Writing+12Support+10Value−2Context1.1M
77% similarOpen weightsDeepSeek V4 ProDeepSeek
Overall53−21
Blended / 1M$1.98−90%
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DeepSeek V4 Pro vs GPT-6 AstraOverall−21Coding−26Writing+6Support+3Value−9Context1M
73% similarOpen weightsKimi K3Moonshot AI
Overall65−9
Blended / 1M$6.00−70%
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Kimi K3 vs GPT-6 AstraOverall−9Coding−8Writing+14Support+17Value−4Context1M
73% similarClaude Sonnet 5.5Anthropic
Overall79+5
Blended / 1M$4.00−80%
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Claude Sonnet 5.5 vs GPT-6 AstraOverall+5Coding+5Writing+19Support+13Value+13Context1M
73% similarClaude Fable 5.1Anthropic
Overall92+18
Blended / 1M$20.00±0%
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Claude Fable 5.1 vs GPT-6 AstraOverall+18Coding+7Writing+35Support+27Value+17Context1M
71% similarMistral Large 4Mistral AI
Overall37−37
Blended / 1M$2.07−90%
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Mistral Large 4 vs GPT-6 AstraOverall−37Coding−27Writing−21Support−10Value−26Context1M

Similarity is closeness in customer support replies score and in price. Cheaper means at least 30% less for within 5 points. Scores are provisional.

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