Best DeepSeek alternatives
8 tools developers use instead of DeepSeek, ranked by popularity. 8 offer a free plan and 4 are open source. Updated October 2026.
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GPT (OpenAI)
Free planOpenAI's GPT family of frontier models, available through ChatGPT and the OpenAI API, including coding-tuned Codex variants.
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Alibaba's open-weight code model family, with the 32B variant matching GPT-4o on several coding benchmarks while staying free to self-host under an Apache 2.0 license.
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Mistral Large
Free planMistral AI's flagship reasoning and coding model, alongside the open-weight Mixtral mixture-of-experts line that put the French lab on the map before Mistral Large existed.
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Microsoft's small language model family, with Phi-3-mini delivering GPT-3.5-level capability at 3.8B parameters. Superseded by Phi-4 and later releases.