OpenAI Agents SDK
AI Agent FrameworksStarts at Free vs $19/mo (Pro, billed annually).
Pick up to 3 and compare them on the fields our reviews verify.
Compare with Relevance AI →Tools in the same space with a lower verified monthly entry price.
Starts at Free vs $19/mo (Pro, billed annually).
Starts at Free vs $19/mo (Pro, billed annually).
Starts at Free vs $19/mo (Pro, billed annually).
Reviewed tools whose core is open source.
LangGraph didn't win the "which agent framework" argument by being the friendliest. It won by being the one that doesn't fall over.
The SDK didn't get replaced by the Agents API. It got a sibling.
This isn't Microsoft's first agent framework. It's Microsoft admitting the first two weren't going to converge on their own.
CrewAI didn't get worse. It got a name change, a smaller price sheet, and a genuine security scare it actually fixed properly.
ADK is genuinely serious engineering. "Free" is true of the framework, not of what running it actually costs.
Each one has a free tier or a free open-source core, per its review.
LangGraph didn't win the "which agent framework" argument by being the friendliest. It won by being the one that doesn't fall over.
The SDK didn't get replaced by the Agents API. It got a sibling.
This isn't Microsoft's first agent framework. It's Microsoft admitting the first two weren't going to converge on their own.
CrewAI didn't get worse. It got a name change, a smaller price sheet, and a genuine security scare it actually fixed properly.
ADK is genuinely serious engineering. "Free" is true of the framework, not of what running it actually costs.
Alternatives our reviews score above 72/100.
JAVIS Score 88 vs 72. LangGraph didn't win the "which agent framework" argument by being the friendliest. It won by being the one that doesn't fall over.
JAVIS Score 86 vs 72. The SDK didn't get replaced by the Agents API. It got a sibling.
JAVIS Score 85 vs 72. This isn't Microsoft's first agent framework. It's Microsoft admitting the first two weren't going to converge on their own.
JAVIS Score 82 vs 72. CrewAI didn't get worse. It got a name change, a smaller price sheet, and a genuine security scare it actually fixed properly.
JAVIS Score 78 vs 72. ADK is genuinely serious engineering. "Free" is true of the framework, not of what running it actually costs.
JAVIS Score 78 vs 72. This is OpenAI finally selling you the thing it already trusted itself to run.
Other reviewed tools in AI Agent Frameworks.
LangGraph didn't win the "which agent framework" argument by being the friendliest. It won by being the one that doesn't fall over.
The SDK didn't get replaced by the Agents API. It got a sibling.
This isn't Microsoft's first agent framework. It's Microsoft admitting the first two weren't going to converge on their own.
CrewAI didn't get worse. It got a name change, a smaller price sheet, and a genuine security scare it actually fixed properly.
ADK is genuinely serious engineering. "Free" is true of the framework, not of what running it actually costs.
This is OpenAI finally selling you the thing it already trusted itself to run.