Last updated Tuesday 10 November 202625 tools in 8 categories · nobody pays to rank

Rankings / LLM APIs / OpenAI API

OpenAI API

General-purpose models for your app.

No. 1 of 4 in LLM APIs. Prices checked 3 Nov 2026.

Why it's No. 1

Widest model range and tooling.

What's good

  • Broad model range

What's not

  • Costs at scale

Other LLM APIs we rank

Full ranking →
  1. 2
    Anthropic API

    Coding and agentic workloads

    Top choice for coding/agent workloads; ranked just behind OpenAI on breadth

    Paid fromFrom $0.10 per 1M input tokens (Haiku 5.5); Sonnet 5 $2/$10 per 1M in/outFree tier: Small free credits for new users
  2. 3
    Google Gemini API

    Long-context and multimodal apps

    Generous free tier and long context

    Paid fromExample paid model: $2/$10 per 1M in/out, rising to $4/$20 from 1 Dec 2026Free tier: Yes for some models (not all)
  3. 4
    OpenRouter

    One API key for many models

    Best for switching models, but adds a middle layer

    Paid fromPay-as-you-go at provider list prices; 5.5% fee on credit purchases (Standard)Free tier: Yes (25+ free models, 50 requests/day)