# AI tools for “Assistants API”

1,146 matching tools; showing 24, ranked by relevance.

Filters: `group=coding-development`

Related categories: [ai-api](https://openaitools.app/category/ai-api.md), [ai-assistant](https://openaitools.app/category/ai-assistant.md)

| # | Tool Name | Monthly Visits | MoM Growth Rate | Pricing Model | Summary | Why it matched | Profile (Markdown) |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| 1 | [Claude](https://openaitools.app/tool/claude-2) | 1,253,439,413 | +23.8% | Freemium | Anthropic's frontier AI workspace powered by Claude 5.5 for agentic coding, analysis, and nuanced writing. | category: ai-api, ai-assistant; keywords 100% | [.md](https://openaitools.app/tool/claude-2.md) |
| 2 | [OpenAI Platform](https://openaitools.app/tool/openai) | 234,678,639 | -9.6% | Paid | Enterprise developer platform and API for deploying GPT-6 Astra, Sol, Luna, and realtime multimodal agents. | category: ai-api; keywords 71%; semantic match | [.md](https://openaitools.app/tool/openai.md) |
| 3 | [DeepSeek](https://openaitools.app/tool/deepseek) | 372,761,591 | +4.3% | Freemium | High-efficiency open-weight and hosted reasoning AI powered by DeepSeek-V4 and R1 at ultra-low token costs. | category: ai-api, ai-assistant; keywords 100% | [.md](https://openaitools.app/tool/deepseek.md) |
| 4 | [Vapi](https://openaitools.app/tool/vapi) | 662,301 | -11.4% | Freemium | Build, test, and deploy production-grade voice AI agents over API | category: ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/vapi.md) |
| 5 | [You.com](https://openaitools.app/tool/you) | 948,349 | +7% | Freemium | Search and inference APIs that give AI models real-time web data | category: ai-assistant; keywords 100%; semantic match | [.md](https://openaitools.app/tool/you.md) |
| 6 | [Wasapi](https://openaitools.app/tool/wasapi-io) | 58,485 | +1.8% | Free Trial, Paid | The WhatsApp platform for teams that sell and support at scale | category: ai-api, ai-assistant; keywords 100%; semantic match | [.md](https://openaitools.app/tool/wasapi-io.md) |
| 7 | [DeepL](https://openaitools.app/tool/deepl) | 95,110,871 | -1.7% | Freemium | Enterprise-grade neural machine translation, AI writing refinement, and real-time voice translation across thirty-plus global languages. | category: ai-api; keywords 100% | [.md](https://openaitools.app/tool/deepl.md) |
| 8 | [Privatemode AI](https://openaitools.app/tool/privatemode-ai) | 73,071 | +28.2% | Free Trial, Paid, Contact for Pricing | Confidential AI chat and API where your data stays encrypted even during processing | category: ai-api, ai-assistant; keywords 100%; semantic match | [.md](https://openaitools.app/tool/privatemode-ai.md) |
| 9 | [Morph](https://openaitools.app/tool/morph-apply-ai-edits-to-files-fast) | 306,961 | +9.5% | Free Trial, Contact for Pricing | Fast Apply and agent-tuned inference for coding agents | category: ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/morph-apply-ai-edits-to-files-fast.md) |
| 10 | [ElevenLabs](https://openaitools.app/tool/elevenlabs-io) | 42,396,771 | +26.1% | Freemium, Paid, Contact for Pricing | AI audio platform for speech, agents, music and dubbing | category: ai-api; keywords 100% | [.md](https://openaitools.app/tool/elevenlabs-io.md) |
| 11 | [Claude](https://openaitools.app/tool/claude-3) | 18,695,610 | +9.1% | Freemium, Contact for Pricing | Anthropic's AI assistant for real work, from chat to agents | category: ai-api, ai-assistant; keywords 100%; semantic match | [.md](https://openaitools.app/tool/claude-3.md) |
| 12 | [TinyFish](https://openaitools.app/tool/tinyfish) | 1,124,952 | +199.7% | Freemium, Contact for Pricing | One API key for agent-grade web search, fetch, browsing and automation | category: ai-api; keywords 71%; semantic match | [.md](https://openaitools.app/tool/tinyfish.md) |
| 13 | [Exa](https://openaitools.app/tool/exa-ai) | 1,062,574 | +16.8% | Freemium, Contact for Pricing | Web search API and crawler built for AI agents | category: ai-api; keywords 71%; semantic match | [.md](https://openaitools.app/tool/exa-ai.md) |
| 14 | [Thomson Reuters](https://openaitools.app/tool/thomson-reuters) | 17,919,413 | +5.5% | Contact for Pricing | Purpose-built AI and trusted content for legal, tax, risk and trade professionals | category: ai-api, ai-assistant; keywords 100% | [.md](https://openaitools.app/tool/thomson-reuters.md) |
| 15 | [Qwen 4 (Alibaba Qwen4)](https://openaitools.app/tool/qwen-4) | 35,101,353 | -6.2% | Freemium | Alibaba Cloud's 4th-generation multimodal AI assistant and foundation model lineup (Qwen4-Max, Qwen4-Plus, Qwen4-Flash & open-weight Qwen4-27B) with 1M context. | category: ai-api, ai-assistant; keywords 100% | [.md](https://openaitools.app/tool/qwen-4.md) |
| 16 | [Chat Data](https://openaitools.app/tool/chat-data) | 181,358 | +275.8% | Freemium, Paid | Build custom AI agents and support chatbots trained on your own data, across every channel | category: ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/chat-data.md) |
| 17 | [Google AI Studio](https://openaitools.app/tool/google-ai-studio) | 112,620,020 | +2% | Freemium | Google's rapid prototyping IDE and developer API workbench for building multimodal applications with Gemini models. | category: ai-api; keywords 71% | [.md](https://openaitools.app/tool/google-ai-studio.md) |
| 18 | [GPTBots.ai](https://openaitools.app/tool/gptbots-ai) | 78,362 | +20% | Contact for Pricing | Enterprise AI agent platform for building and running business agents | category: ai-api, ai-assistant; keywords 100%; semantic match | [.md](https://openaitools.app/tool/gptbots-ai.md) |
| 19 | [BigModel](https://openaitools.app/tool/bigmodel) | 5,700,686 | -17% | Freemium | Zhipu AI's open platform for GLM large models, multimodal APIs, and agent building | category: ai-api; keywords 100% | [.md](https://openaitools.app/tool/bigmodel.md) |
| 20 | [ZeroGPT](https://openaitools.app/tool/zerogpt) | 32,864,541 | +19.7% | Freemium, Paid | AI content detection and a full writing toolkit in one place | category: ai-api; keywords 100% | [.md](https://openaitools.app/tool/zerogpt.md) |
| 21 | [Merge](https://openaitools.app/tool/merge-dev) | 313,201 | +1.7% | Freemium, Contact for Pricing | The universal context engine connecting agents to data, tools, and models | category: ai-api; keywords 71%; semantic match | [.md](https://openaitools.app/tool/merge-dev.md) |
| 22 | [Corti](https://openaitools.app/tool/corti-ai) | 24,967 | -1.1% | Contact for Pricing | Frontier AI for critical industries on a sovereign stack | category: ai-api, ai-assistant; keywords 100%; semantic match | [.md](https://openaitools.app/tool/corti-ai.md) |
| 23 | [AI/ML API](https://openaitools.app/tool/ai-ml-api) | 232,946 | -20.1% | Pay-as-you-go credits (free to start); enterprise custom pricing on request | One universal API for 500+ AI models and 1,000+ agentic tools | category: ai-api; keywords 71%; semantic match | [.md](https://openaitools.app/tool/ai-ml-api.md) |
| 24 | [Synthflow.ai](https://openaitools.app/tool/synthflow-ai) | 95,542 | -7.6% | Free Trial, Contact for Pricing | Enterprise AI voice agents that work inside your phone system | category: ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/synthflow-ai.md) |

Page 1 of 48 · [Next page →](https://openaitools.app/index.md?q=Assistants+API&group=coding-development&page=2)

For programmatic access use `https://openaitools.app/api/tools?q=…` or MCP `https://openaitools.app/api/mcp`.

---
Source: https://openaitools.app/?q=Assistants%20API

More Markdown: [Categories](https://openaitools.app/categories.md) · [Traffic rankings](https://openaitools.app/rankings.md) · [llms.txt](https://openaitools.app/llms.txt)