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 →- 2Anthropic 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 - 3Paid fromExample paid model: $2/$10 per 1M in/out, rising to $4/$20 from 1 Dec 2026Free tier: Yes for some models (not all)
- 4Paid fromPay-as-you-go at provider list prices; 5.5% fee on credit purchases (Standard)Free tier: Yes (25+ free models, 50 requests/day)