Official APIsOfficial API for GPT models, multimodal capabilities, embeddings, realtime use cases, and broad developer tooling.
Models: GPT, reasoning models, embeddings
general AI appsBudget to premium GPT tiersShort to very long, model based
Yes OpenAI-compatibleTool callingTrust 12/15
Official APIsOfficial Claude API with strong long-context, coding, writing, and agent-oriented use cases.
Models: Claude, Claude Haiku, Claude Sonnet
codingMid to premium Claude tiersLong context options
No OpenAI-compatibleTool callingTrust 10/15
Inference ProvidersInference platform for open models, fine-tuning, dedicated endpoints, and OpenAI-compatible serverless APIs.
Models: Llama, Qwen, DeepSeek-V4
open-source modelsOften competitive for open modelsBroad open-model range
Yes OpenAI-compatibleNo tool calling listedTrust 11/15
Inference ProvidersFast inference platform for open models with serverless APIs, fine-tuning, and deployment options.
Models: Llama, Qwen, DeepSeek-V4
low-latency open model appsCompetitive serverless tiers for open modelsBroad open-model range, model specific
Yes OpenAI-compatibleNo tool calling listedTrust 11/15