AI Model Capabilities Matrix
Compare all 34 AI models by features, not just price. See which models support function calling, vision, streaming, embeddings, fine-tuning, and more.
Frequently Asked Questions
Which AI models support function calling?
All major AI models support function calling (tool use) as of June 2026, including GPT-5, Claude Opus/Sonnet/Haiku, Gemini Pro/Flash, DeepSeek V4, Mistral, Llama 4, Grok, and Cohere Command R. Budget models like GPT-oss 20B and Gemini Flash Lite have more limited function calling support.
Which AI models support vision and image input?
Most flagship models support vision: GPT-5, GPT-4o, Claude Opus/Sonnet, Gemini Pro/Flash, DeepSeek V4, Mistral Large, Grok, and Llama 4 Maverick. Budget models like GPT-4o mini, Gemini Flash Lite, and some smaller open-source models have limited or no vision support.
What is JSON mode and which models support it?
JSON mode ensures the model outputs valid JSON. GPT-5 and GPT-4o have native JSON mode. Claude models can output JSON via structured output or system prompts. Gemini supports JSON mode natively. Most modern LLMs can reliably produce JSON when instructed, but native support varies.
Which AI models have the largest context windows?
As of June 2026, Gemini 2.0 Flash and Flash Lite lead with 1M token context windows. DeepSeek V4 models offer 1M context. GPT-5.5 has 1.05M context. Llama 4 Scout and Maverick offer 1M context via Together.ai. Claude Opus 4.8 and Sonnet 4.6 offer 1M context.
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