DeepInfra Offers LLM API Costs Up to 27x Lower Than OpenAI, With Caveats

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DeepInfra is an open-source LLM inference platform offering pay-per-token pricing significantly below major providers like OpenAI and Anthropic, with models such as DeepSeek R1 priced at $0.55 per million input tokens versus OpenAI o1's $15. A week-long benchmark found the savings are real for high-volume tasks like classification and batch processing, where switching from GPT-4o-mini to Llama 3.1 8B can cut costs by 67%. However, the platform lacks support for certain features including structured output mode, function calling, and does not host Anthropic's Claude models. Users also face practical limitations such as a 30 requests-per-minute cap on the free tier, frequent model version changes requiring prompt re-tuning, and no per-feature cost tracking in the dashboard. DeepInfra offers a $5 free credit for new users, and self-hosting becomes cost-competitive only beyond approximately one billion tokens per month at high GPU utilization.

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