AI tools tagged Supports Function Calling

22 tools matching this tag.model

AWS Bedrock

Agents · Multi-model: Anthropic Claude, Meta Llama, Mistral, Cohere, AI21, Amazon Nova/Titan, DeepSeek, Stability, OpenAI GPT

8.6

Build and scale generative AI applications with foundation models

Paid· Standard: Contact sales · Flex: Contact sales · Priority: Contact sales · Reserved: Contact salesEnterprise RAG chatbot over private documentsMulti-step tool-using agents via AgentCore

Claude Agent SDK

Agents · Claude Opus / Sonnet

8.6

Anthropic's official SDK for building autonomous Claude agents.

Free· Free SDK; API usage billed at Claude ratesClaude agentstool use

Semantic Kernel

Agents · Multi-model

8.4

Microsoft's open-source SDK for wiring LLMs, plugins, and agents into enterprise .NET, Python, and Java apps.

Free· Free, MIT-licensed SDK; you pay for the underlying model APIsagent-orchestrationllm-plugins

Google AI Studio

Coding · Gemini 2.5 Pro / Flash, Imagen, Veo

8.2

Browser-based playground and API console for prototyping with Google's Gemini models.

Freemium· Free tier with rate limits; paid via Gemini API usage-based pricingprompt-prototypinggemini-api-keys

OpenAI Playground

Writing · Multi-model (GPT-4o, GPT-4.1, o-series, DALL-E, Whisper, TTS)

8.2

OpenAI's official browser sandbox for prompting, tuning, and testing every model on the platform before you ship API code.

Paid· Basic: $10 · Pro: $20 · Enterprise: Contact salesprompt-engineeringmodel-comparison

SGLang

Fine-tuning · Multi-model (DeepSeek, Qwen, Llama, Mistral, GLM, GPT-OSS)

8.2

Open-source high-throughput inference engine for LLMs and multimodal models with OpenAI-compatible serving.

Free· Free, open-source (Apache 2.0); self-hosted infra cost onlyllm-servingmultimodal-inference

MiniMax

Agents · MiniMax M3, Hailuo 2.3, Speech 2.8, Music 2.6

8.0

Chinese frontier-model lab shipping multimodal foundation models with a 1M-context coding/agent stack.

Freemium· Free tier; Token plan from ~$20/mo (~12.5B tokens); enterprise pricing on requestcoding-agentlong-context

Fireworks AI

Fine-tuning · Multi-model (DeepSeek, Qwen, GLM, Kimi, Gemma, Minimax, others)

7.9

Production inference and fine-tuning platform for open-source LLMs, tuned for speed and enterprise economics.

Freemium· Free signup credits; pay-per-token from ~$0.14/M in; enterprise reserved capacity on requestllm-fine-tuningserverless-inference

Bifrost

Agents · Multi-model (OpenAI, Anthropic, Bedrock, Vertex, 1000+ via providers)

7.3

Open-source AI gateway that unifies 1000+ models behind one OpenAI-compatible endpoint with failover, budgets, and MCP routing.

Freemium· Free Forever: Free · Enterprise: Contact salesllm-gatewaymulti-provider-routing

DeepSeek

Coding · DeepSeek R1, V3, V2, Coder V2, VL

7.3

Chinese AI lab shipping open-weight reasoning models that punch well above their API price.

Freemium· deepseek-v4-flash: 0.02元 (缓存命中) / 1元 (缓存未命中) / 2元 (输出) · deepseek-v4-pro: 0.025元 (缓存命中) / 3元 (缓存未命中) / 6元 (输出)reasoningcode-generation

Gorilla

Agents · gorilla-openfunctions-v2 (6.91B)

7.3

Open-source LLM purpose-built for function calling and API invocation across thousands of tools.

Free· Free and Apache 2.0; self-hostedfunction-callingtool-use

OpenRouter

Coding · Multi-model

7.3

Unified API gateway to 400+ LLMs from 70+ providers, with one OpenAI-compatible endpoint and automatic failover.

Freemium· Pay-as-you-go credits; sample packs $10 and $99; some free-tier models availablellm-routingmulti-model-access

Agno (formerly Phidata)

Agents · Multi-model

7.2

Open-source Python framework for building multi-agent systems, paired with a production runtime that ships in your own cloud.

Freemium· Free: Free · Pro: $150/mo · Enterprise: ?

AI SDK

Coding · Multi-model

7.2

Vercel's open-source TypeScript framework for building AI apps across 16+ providers with unified streaming, tools, and UI hooks.

Free· Open source (Apache 2.0); pay only for the underlying model APIschat-uiagent-building

Groq

Coding · Multi-model (Llama, Mixtral, Gemma, Qwen, Whisper)

7.1

Custom-silicon LPU inference platform serving open models at GPU-trouncing latency via an OpenAI-compatible API.

Freemium· Free API key with rate limits; per-token paid tiers; enterprise contractslow-latency inferencevoice agents

Mistral AI

Writing · Mistral Large 3 / Medium 3.5 / Small 4 / Codestral / Voxtral

7.0

European frontier-model lab with a deep bench of open-weight and premier models for text, code, voice, and OCR.

Freemium· Free: Free · Pro: $14.99 · Team: $24.99 · Enterprise: ? · Education plan: $5.99text-generationcoding

AI/ML API

Coding · Multi-model (GPT, Claude, Gemini, Grok, Nemotron, Qwen, etc.)

6.9

Unified API gateway exposing 500+ AI models behind one OpenAI-compatible endpoint.

Freemium· Pay-as-you-go from $20 prepaid credit; enterprise custommulti-model-routingprototyping

GPT Builder

Agents · OpenAI GPT-4o / GPT-5 (plan-dependent)

6.9

OpenAI's no-code editor for spinning up custom ChatGPT agents with instructions, knowledge files, and tool calls.

Paid· Basic: $10 · Standard: $20 · Premium: $30custom-chatbotsinternal-assistants

AutoGen

Agents · Model-agnostic: OpenAI (GPT-4o, GPT-4.1, o-series), Azure OpenAI, Anthropic Claude, Google Gemini, Ollama, and any OpenAI-compatible local model (vLLM, llama.cpp)

Microsoft's open-source framework for multi-agent AI applications

Free· Free and open-source (MIT/CC-BY-4.0). You pay only for the underlying model providers (OpenAI, Azure OpenAI, Anthropic, local models, etc.) you plug into it.Coder and critic pair programming loopsMulti-agent research and report writing

Composio

Agents · Model-agnostic (works with Claude, GPT-4o, Gemini, Llama, and other frontier and open-weights models via SDK integrations)

Auth, tools, and sandboxed execution for AI agents across 1,000+ apps

Freemium· Totally Free: $0 · Ridiculously Cheap: $29 · Serious Business: $229Customer support agent triaging Gmail and filing Linear ticketsSales agent updating HubSpot and posting to Slack

LLM Gateway

Agents · Routes to GPT-4o, Claude 3.5 Sonnet, Gemini 1.5, Llama 3.1, Mistral, and 200+ others

One API, 200+ models, transparent pricing, and no vendor lock-in.

Freemium· Free: $0 · Enterprise: CustomMulti-provider LLM routingAutomatic failover between model vendors

OpenAI Agents SDK (Python)

Agents · GPT-4o / GPT-4.1 / gpt-realtime (provider-pluggable via LiteLLM)

A lightweight Python framework for building multi-agent LLM applications with handoffs, guardrails, and built-in tracing.

Free· SDK is free and open source (MIT-licensed). Cost is pass-through to whichever model provider you point it at — OpenAI API pricing applies when using GPT models; third-party providers billed separately.Multi-agent customer support with specialist handoffsVoice agents using gpt-realtime for phone or in-app calls