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Cursor vs Claude CodeLovable vs Bolt vs v0Claude Code vs Codex CLISupabase vs ConvexClerk vs WorkOSCursor vs GitHub CopilotCursor vs WindsurfSupabase vs FirebaseBolt vs ReplitWindsurf vs Claude CodeLovable vs Boltv0 vs LovableReplit vs LovableFree AI coding toolsCheapest AI coding tools

Alternatives · LLM APIs and model providers

Best OpenAI API alternatives

Rankings as of

The OpenAI API is the platform for OpenAI's models, including GPT models, tool use, and related APIs. It is the default when a tutorial, an SDK, or a teammate already assumes an OpenAI key. Billing is usage-based. Rates: check site.

OpenAI API scores 8.0 in LLM APIs and model providers (The model behind the feature). The 5 alternatives below are the other tools in that job, ordered by their StackPick score. How we score.

Initial editorial estimate. Not a measured benchmark. Affiliate links may be used to monetize, but they never affect scores or rankings, and rankings are never sponsored.

Some links may earn us a commission. It never changes scores or order.

The tool

OpenAI API

The default model API. GPT models, tools, and a platform console.

8.0

Visit

Best for The model API most libraries already speak

Ranked alternatives

  1. 01

    Anthropic API

    Pick this if Calling Claude from your own product

    Claude models via API. The pair to Claude Code.

    Usage-based

    8.3

    Visit

  2. 02

    OpenRouter

    Pick this if Switching models without switching SDKs

    One API key for many models, including labs and open weights.

    Usage-based

    7.9

    Visit

  3. 03

    Groq

    Pick this if Low-latency calls to open models

    Fast inference API for open models.

    Usage-based

    7.7

    Visit

  4. 04

    Gemini API

    Pick this if A capable model API with a free starting quota

    Google's Gemini models, with a free tier that moves.

    Usage-based

    7.6

    Visit

  5. 05

    Mistral

    Pick this if A European model API, or open weights you can host

    European model lab with an API and open-weight releases.

    Usage-based

    6.7

    Visit