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< CLAUDE SONNET 4.5

ALTERNATIVES

Claude Sonnet 4.5 alternatives

Models people actually talk about as stand-ins, plus same-category crowd favorites. More from Anthropic · Problems

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DeepSeek V4 Flash7.2
DeepSeek · Text
Pick it for high-end coding and reasoning performance at a fraction of the cost.
💸 COST EFFICIENT💻 STRONG AT CODE🏆 NEAR-PEER QUALITY COMPARE
Apertus v1.5 70B7.3
Infomaniak · Text
Pick it when you need a fully open, privacy-preserving model for local deployment.
🔒 PRIVATE & OFFLINE💸 COST EFFICIENT COMPARE
Ling 3.1 Flash7.2
inclusionAI · Text
People love: People feel it is worth the money
COMPARE
DeepSeek Reasoner6.8
DeepSeek · Text
People love: People feel it is worth the money
COMPARE
Claude Opus 5.56.7
Anthropic · Text
People love: People feel it is worth the money
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Gemma 4 26B A4B6.7
Google · Text
People love: Popular for coding help
COMPARE
Claude Sonnet 56.6
Anthropic · Text
People love: Good at writing and wording things
COMPARE
R16.6
DeepSeek · Text
People love: People feel it is worth the money
COMPARE
Qwen3 0.6B6.6
Alibaba · Text
People love: Popular for coding help
COMPARE
Step 16.5
StepFun · Text
People love: People feel it is worth the money
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GLM 4.7 Flash6.5
Zhipu · Text
People love: Popular for coding help
COMPARE
GPT 6 Luna6.4
OpenAI · Text
People love: People feel it is worth the money
COMPARE