Proprietary LLMs
Closed-weights frontier models from leading labs.
OpenAIProprietary
GPT-4o
Multimodal flagship across text, vision, and audio.
Params
Undisclosed
Context
128K
License
Commercial API
Native multimodal I/OFunction callingVisionRealtime voice
AnthropicProprietary
Claude 3.5 Sonnet
Best-in-class coding and long-form reasoning.
Params
Undisclosed
Context
200K
License
Commercial API
ArtifactsComputer useTool callingVision
Google DeepMindProprietary
Gemini 1.5 Pro
Massive 2M-token context for whole-codebase reasoning.
Params
Undisclosed
Context
2M
License
Commercial API
2M token contextNative multimodalVideo understandingGrounding with Search