Anthropic
Claude Opus 4.6, Sonnet 4.5, and Haiku 4.5 with extended thinking, agent teams, MCP integration, and up to 1M token context windows.
usage-based
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MLOps platform with W&B Weave for AI agent tracing and evaluation, W&B Inference for hosted open-source LLMs, and experiment tracking with sweeps.
freemium · $0-$50/mo
Claude Opus 4.6, Sonnet 4.5, and Haiku 4.5 with extended thinking, agent teams, MCP integration, and up to 1M token context windows.
usage-based
Open ToolMulti-agent platform with open-source framework and Agent Management Platform (AMP). Visual editor, AI copilot, and enterprise deployment used by 60% of Fortune 500.
freemium
Open ToolAgent framework (v1.1) with create_agent abstraction, LangGraph stateful orchestration, middleware for retries and moderation, and model profiles.
open-source
Open ToolGPT-5.2 and o-series reasoning models with the Responses API, AgentKit, and built-in tools for web search, code execution, and computer use.
usage-based
Open Tool