Model access
Confirm that the provider carries the coding models, versions, context windows, and tool-calling features your application needs.
LLM API Providers for AI Coding
Compare first-party model developers and multi-model API platforms
How to choose an LLM API provider for coding
Start with the models your product requires, then compare their real delivery conditions. First-party providers offer direct access to their own models; model service providers can simplify access to multiple model families through one API.
Pricing and limits
Compare input and output token prices together with rate limits, regional availability, quotas, and any caching discounts.
Production fit
Review privacy terms, data retention, reliability, latency, SDK quality, observability, and fallback options before production use.
Foundation Model Provider
Alibaba Cloud
Alibaba's cloud computing platform offering advanced AI services and language models including Qwen for enterprise and development applications.
Anthropic
An AI safety and research company, building reliable and interpretable AI systems including Claude for various applications in coding, analysis, and content generation.
DeepSeek
DeepSeek develops language models and provides direct access through its OpenAI- and Anthropic-compatible APIs.
Google develops Gemini models and provides developer access through the Gemini API and Google AI Studio.
Meta
Meta develops the Llama family of open-weight foundation models and provides developer access through the Llama API.
MiniMax
An AI company specializing in multimodal general large language models, offering advanced AI services including text, speech, music, image, and video generation.
Moonshot AI
An AI company specializing in large language models and intelligent applications, known for the Kimi AI assistant.
OpenAI
A leading AI research and deployment company, providing advanced language models and AI services including GPT series for various applications.
xAI
xAI's developer platform provides API access to Grok models for text generation, image understanding, reasoning, tool calling, and real-time search.
Z.ai
An AI platform offering advanced language models and AI services for various applications including coding and content generation.
Model Service Provider
Baseten
An AI inference platform offering managed Model APIs for popular open models and dedicated deployments for custom and fine-tuned models.
DeepInfra
Serverless AI inference platform offering OpenAI-compatible APIs for 100+ models across text, image, video, speech, embeddings, and reranking, plus private model deployments.
Fireworks AI
An AI inference and training platform for running open and custom models through serverless and dedicated deployments with OpenAI- and Anthropic-compatible APIs.
Novita AI
AI and agent cloud providing OpenAI-compatible model APIs, dedicated and serverless GPU infrastructure, and isolated agent sandboxes for production applications.
OpenRouter
A unified API platform that provides access to multiple AI models from different providers through a single interface.
SiliconFlow
A unified AI inference platform providing high-speed access to LLMs and multimodal models through a single API, with flexible deployment options including serverless, fine-tuning, and dedicated GPUs.
Together AI
An AI cloud platform for running open models through serverless APIs and dedicated endpoints, with fine-tuning, batch inference, and GPU infrastructure.
LLM API provider questions
What is the difference between a foundation model provider and a model service provider?
A foundation model provider develops and serves its own models. A model service provider offers one API or platform that routes requests to models from multiple developers.
What should I compare when choosing an LLM API provider?
Compare model availability, token pricing, context and output limits, rate limits, data handling, regional access, latency, reliability, SDK support, and production observability.
Should I use a first-party API or a multi-model API platform?
Choose a first-party API when you need the newest vendor features and direct support. Choose a multi-model platform when unified access, provider fallback, or simpler model switching matters more.