OpenAI API Platform Guide: Models, APIs, and Agents
A systematic guide to the OpenAI API platform covering model selection, Chat Completions vs Responses API, tool calling, structured outputs, Assistants and Agents SDK, and pricing and cost control.
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3 results shownGoogle Gemini API Guide: Models, Multimodality, and SDK
A hands-on guide to the Google Gemini API covering Gemini 3 model selection, multimodal and long-context input, the google-genai SDK, the Interactions API, Google AI Studio vs Vertex AI, and pricing.
Anthropic Claude API Guide: Models, Tools, and Agents
A practical guide to the Claude API covering the Fable/Opus/Sonnet/Haiku model lineup, the Messages API, tool use, streaming, thinking, Claude Code, the Agent SDK, and per-token pricing.