OpenAI
OpenAI sells API access to its own GPT model family alongside speech, image, and embedding models.
How Claude rates OpenAI.
Each score below is the model's own, on the rubric it wrote for that list, from what it already knows about OpenAI. Nothing here is edited by us.
The best LLM API providers
#1 this week, scoring 8.0 out of 10. Best for Developers who need cutting-edge model quality and are building production applications where capability matters more than cost.
- Model Quality 10
- GPT-4 and GPT-4 Turbo remain among the most capable models available, excelling at reasoning, coding, and complex tasks.
- Pricing & Value 6
- Premium pricing at $10-30 per million tokens for GPT-4 variants, though GPT-3.5 Turbo offers better value at lower capability.
- Reliability & Performance 8
- Generally reliable with good uptime and fast response times, though occasional capacity issues during high demand.
- Model Selection 6
- Limited to OpenAI's own model family, but covers multiple capability tiers from GPT-3.5 to GPT-4.
- Developer Experience 10
- Excellent API design, comprehensive documentation, official SDKs, and a mature developer ecosystem.
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What OpenAI's website sends to your browser.
Scanned 2026-08-25. Grade headers B, scoring 75 out of 100.
This is one narrow, automated check of the HTTP response headers on the vendor's own website. It says nothing about how the product itself is built, how it stores your data, or whether it has ever been audited. A good grade here is a small signal that somebody was paying attention.