Function-calling models
These models reliably emit structured tool calls — the foundation for agents, RAG pipelines, and structured data extraction.
50 models in this category. See also the “Best AI models for function calling” ranking with editorial picks and FAQ.
| Model | Provider | Context | Input price / 1M | Tier |
|---|---|---|---|---|
| Tongyi DeepResearch 30B A3B alibaba/tongyi-deepresearch-30b-a3b | Alibaba | 131K Long context (128K+) | $0.09 | Budget |
| Anthropic: Claude Haiku 5.5 (batch) anthropic/claude-haiku-5.5:batch | Anthropic | 1M Ultra context (1M+) | $0.05 | Budget |
| Apodex: Apodex 1.1 Mini (free) apodex/apodex-1.1-mini:free | Apodex | 262K Long context (128K+) | $0.00 | Budget |
| Arcee AI: Trinity Mini arcee-ai/trinity-mini | Arcee Ai | 131K Long context (128K+) | $0.04 | Budget |
| Arcee AI: Trinity Mini (free) arcee-ai/trinity-mini:free | Arcee Ai | 131K Long context (128K+) | $0.00 | Budget |
| ByteDance Seed: Seed 1.6 Flash bytedance-seed/seed-1.6-flash | Bytedance Seed | 262K Long context (128K+) | $0.07 | Budget |
| DeepSeek: DeepSeek V4 Flash 0423 deepseek/deepseek-v4-flash | DeepSeek | 1.0M Ultra context (1M+) | $0.01 | Budget |
| DeepSeek: DeepSeek V4 Flash 0731 deepseek/deepseek-v4-flash-0731 | DeepSeek | 1.0M Ultra context (1M+) | $0.02 | Budget |
| DeepSeek: DeepSeek V4 Flash 0731 (free) deepseek/deepseek-v4-flash-0731:free | DeepSeek | 1.0M Ultra context (1M+) | $0.00 | Budget |
| Dots Studio: Dots3-Note Preview (free) dots-studio/dots-3-note-preview:free | Dots Studio | 512K Long context (128K+) | $0.00 | Budget |
| Google: Gemini 2.0 Flash Lite google/gemini-2.0-flash-lite-001 | 1.0M Ultra context (1M+) | $0.07 | Budget | |
| Google: Gemini 2.5 Flash Lite (batch) google/gemini-2.5-flash-lite:batch | 1.0M Ultra context (1M+) | $0.05 | Budget | |
| Google: Gemma 3 12B google/gemma-3-12b-it | 131K Long context (128K+) | $0.05 | Budget | |
| Google: Gemma 3 27B google/gemma-3-27b-it | 131K Long context (128K+) | $0.08 | Budget | |
| Google: Gemma 4 26B A4B google/gemma-4-26b-a4b-it | 262K Long context (128K+) | $0.08 | Budget | |
| Google: Gemma 4 26B A4B (free) google/gemma-4-26b-a4b-it:free | 262K Long context (128K+) | $0.00 | Budget | |
| Google: Gemma 4 31B google/gemma-4-31b-it | 262K Long context (128K+) | $0.09 | Budget | |
| Google: Gemma 4 31B (free) google/gemma-4-31b-it:free | 262K Long context (128K+) | $0.00 | Budget | |
| meta-llama/Llama-3.1-8B-Instruct meta-llama/llama-3.1-8b-instruct | Meta | 131K Long context (128K+) | $0.05 | Budget |
| OpenAI: gpt-oss-20b openai/gpt-oss-20b | OpenAI | 131K Long context (128K+) | $0.02 | Budget |
| Qwen: Qwen3 32B qwen/qwen3-32b | Qwen | 131K Long context (128K+) | $0.08 | Budget |
| IBM: Granite 4.1 8B ibm-granite/granite-4.1-8b | Ibm Granite | 131K Long context (128K+) | $0.05 | Budget |
| IBM: Granite 4.2 8B ibm-granite/granite-4.2-8b | Ibm Granite | 131K Long context (128K+) | $0.06 | Budget |
| Inception: Mercury 2.5 inception/mercury-2.5 | Inception | 260K Long context (128K+) | $0.04 | Budget |
| Inception: Mercury 2.5 Preview inception/mercury-2.5-preview | Inception | 260K Long context (128K+) | $0.04 | Budget |
| inclusionAI: Ling 3.0 Flash inclusionai/ling-3.0-flash | Inclusionai | 262K Long context (128K+) | $0.02 | Budget |
| inclusionAI: Ling 3.0 Flash VL inclusionai/ling-3.0-flash-vl | Inclusionai | 262K Long context (128K+) | $0.02 | Budget |
| inclusionAI: Ling-2.6-1T inclusionai/ling-2.6-1t | Inclusionai | 262K Long context (128K+) | $0.07 | Budget |
| inclusionAI: Ling-2.6-flash inclusionai/ling-2.6-flash | Inclusionai | 262K Long context (128K+) | $0.01 | Budget |
| inclusionAI: Ring-2.6-1T inclusionai/ring-2.6-1t | Inclusionai | 262K Long context (128K+) | $0.07 | Budget |
| LiquidAI: LFM2.5-2.6B (free) liquid/lfm-2.5-2.6b:free | Liquid | 66K Short/standard context | $0.00 | Budget |
| Meta: Llama 3 8B Instruct meta-llama/llama-3-8b-instruct | Meta | 8K Short/standard context | $0.03 | Budget |
| MiniMax: MiniMax M2.7 (free) minimax/minimax-m2.7:free | Minimax | 197K Long context (128K+) | $0.00 | Budget |
| MiniMax: MiniMax M3 (free) minimax/minimax-m3:free | Minimax | 1.0M Ultra context (1M+) | $0.00 | Budget |
| Mistral: Ministral 3 8B 2512 (batch) mistralai/ministral-8b-2512:batch | Mistral AI | 262K Long context (128K+) | $0.07 | Budget |
| Mistral: Mistral Nemo mistralai/mistral-nemo | Mistral AI | 131K Long context (128K+) | $0.03 | Budget |
| Mistral: Mistral Small 3.1 24B (free) mistralai/mistral-small-3.1-24b-instruct:free | Mistral AI | 128K Long context (128K+) | $0.00 | Budget |
| Mistral: Mistral Small 3.2 24B mistralai/mistral-small-3.2-24b-instruct | Mistral AI | 256K Long context (128K+) | $0.09 | Budget |
| Mistral: Mistral Small 4 (batch) mistralai/mistral-small-2603:batch | Mistral AI | 262K Long context (128K+) | $0.07 | Budget |
| Nex AGI: Nex-N2-Mini nex-agi/nex-n2-mini | Nex Agi | 262K Long context (128K+) | $0.03 | Budget |
| Nex AGI: Nex-N2.5-Mini (free) nex-agi/nex-n2.5-mini:free | Nex Agi | 262K Long context (128K+) | $0.00 | Budget |
| Nex AGI: Nex-N2.5-Pro nex-agi/nex-n2.5-pro | Nex Agi | 262K Long context (128K+) | $0.07 | Budget |
| Nex AGI: Nex-N2.5-Pro (free) nex-agi/nex-n2.5-pro:free | Nex Agi | 262K Long context (128K+) | $0.00 | Budget |
| NVIDIA: Nemotron 3 Nano 30B A3B nvidia/nemotron-3-nano-30b-a3b | Nvidia | 262K Long context (128K+) | $0.06 | Budget |
| NVIDIA: Nemotron 3 Super nvidia/nemotron-3-super-120b-a12b | Nvidia | 262K Long context (128K+) | $0.08 | Budget |
| NVIDIA: Nemotron 3 Super (free) nvidia/nemotron-3-super-120b-a12b:free | Nvidia | 262K Long context (128K+) | $0.00 | Budget |
| NVIDIA: Nemotron 3.5 Lightning nvidia/nemotron-3.5-lightning | Nvidia | 262K Long context (128K+) | $0.07 | Budget |
| NVIDIA: Nemotron Nano 9B V2 nvidia/nemotron-nano-9b-v2 | Nvidia | 131K Long context (128K+) | $0.04 | Budget |
| NVIDIA: Nemotron Nano 9B V2 (free) nvidia/nemotron-nano-9b-v2:free | Nvidia | 128K Long context (128K+) | $0.00 | Budget |
| OpenAI: GPT-4.1 Nano (batch) openai/gpt-4.1-nano:batch | OpenAI | 1.0M Ultra context (1M+) | $0.05 | Budget |