Best LLMs for Tool Calling — Meta
The best Meta model for tool calling is Llama 4 Maverick, completing 17.8% of Tau²-Bench's multi-turn tool-use tasks. Llama 4 Scout (15.5%) is next.
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llama-4-maverickToolsJSONVision14.3 intel · $0.200/M · 107 t/s17.8%τ²-Bench - 2llama-4-scoutToolsJSONVision10.0 intel · $0.100/M · 121 t/s15.5%τ²-Bench
How this is ranked
AI models ranked by Tau²-Bench — multi-turn conversations where the model has to call the right tools, in the right order, against a real API to complete a customer task. This measures whether function calling actually works under pressure, which is a different question from whether a model supports the parameter at all.
Frequently asked
Which Meta model is best at tool calling?
The best Meta model for tool calling is Llama 4 Maverick, completing 17.8% of Tau²-Bench's multi-turn tool-use tasks. Llama 4 Scout (15.5%) is next.
What's a good alternative to Llama 4 Maverick?
Llama 4 Scout (15.5%) is the closest alternative on this metric. See the full ranking above for the tradeoffs.
How many Meta models are there?
modelgrep tracks 8 Meta models with live benchmarks, speed, latency and per-provider pricing, led on intelligence by Llama 4 Maverick. 2 of them qualify for this ranking.