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Alternatives to GPT-5.6 Sol

For summarising documents cheaply, GPT-5.6 Sol scores 68 and costs $22.00 per 1,000 summaries. Here’s what beats it on price, on quality, or on privacy.

Overall 68$8.00 / 1M
94% similarOpen weightsKimi K3Moonshot AI
Overall65−3
Blended / 1M$6.00−25%
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Kimi K3 vs GPT-5.6 SolOverall−3Coding+7Writing+2Support+7Value−2Context1M
91% similarQwen3.8 MaxAlibaba (Qwen)
Overall66−2
Blended / 1M$3.00−62%
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Qwen3.8 Max vs GPT-5.6 SolOverall−2Coding+8Writing+8Support+6Value+4Context1M
89% similarMuse WonderMeta
Overall80+12
Blended / 1M$8.00±0%
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Muse Wonder vs GPT-5.6 SolOverall+12Coding+9Writing+14Support+13Value+12Context1M
89% similarMuse Spark 1.3Meta
Overall68±0
Blended / 1M$2.00−75%
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Muse Spark 1.3 vs GPT-5.6 SolOverall±0Coding+8Writing+3Support+5Value+8Context1M
88% similarGPT-6.1 SolOpenAI
Overall74+6
Blended / 1M$4.00−50%
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GPT-6.1 Sol vs GPT-5.6 SolOverall+6Coding+11Writing−9Support−8Value+10Context1.1M
87% similarGPT-5.6 TerraOpenAI
Overall60−8
Blended / 1M$4.50−44%
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GPT-5.6 Terra vs GPT-5.6 SolOverall−8Coding−13Writing−14Support−9Value−4Context1.1M
86% similarGPT-6 AstraOpenAI
Overall74+6
Blended / 1M$20.00+150%
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GPT-6 Astra vs GPT-5.6 SolOverall+6Coding+15Writing−12Support−10Value+2Context1.1M
83% similarGemini 3.8 FlashGoogle
Overall71+3
Blended / 1M$1.50−81%
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Gemini 3.8 Flash vs GPT-5.6 SolOverall+3Coding−1Writing+13Support+12Value+12Context1M
83% similarClaude Sonnet 5.5Anthropic
Overall79+11
Blended / 1M$4.00−50%
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Claude Sonnet 5.5 vs GPT-5.6 SolOverall+11Coding+20Writing+7Support+3Value+15Context1M

Similarity is closeness in summarising documents cheaply score and in price. Cheaper means at least 30% less for within 5 points. Scores are provisional.

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