🔧 Use Case Rankings

Best LLM for Tool Calling (2026)

Top AI models for function calling, API integration, and agentic workflows.

#	Model	Composite	ARENA_ELO	HUMANEVAL	Speed	Price
1	Gemini 2.5 Pro Google	97.5	1398	93%	85 t/s	$10/M
2	Claude Opus 4 Anthropic	97.8	1385	94.5%	45 t/s	$75/M
3	o3 OpenAI	97.1	1380	92.7%	58 t/s	$40/M
4	DeepSeek R1 DeepSeek Open	92.3	1358	92.1%	32 t/s	$2.19/M
5	o4-mini OpenAI	91.5	1345	91.5%	145 t/s	$4.4/M
6	Claude Sonnet 4 Anthropic	90.3	1340	93.7%	79 t/s	$15/M
7	Grok 3 xAI	88.8	1330	90.5%	55 t/s	$15/M
8	Llama 4 Maverick Meta Open	87.5	1325	90.8%	120 t/s	$1.2/M
9	DeepSeek V3 DeepSeek Open	86.1	1318	89.4%	68 t/s	$1.1/M
10	Gemini 2.5 Flash Google	86.7	1310	89.8%	203 t/s	$0.6/M

Rankings are based on ARENA_ELO, HUMANEVAL benchmark results. See Methodology for scoring details.

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