# AI tools for “AI API research”

2,000 matching tools; showing 24, ranked by relevance.

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

| # | Tool Name | Monthly Visits | MoM Growth Rate | Pricing Model | Summary | Why it matched | Profile (Markdown) |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| 1 | [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 100%; semantic match | [.md](https://openaitools.app/tool/openai.md) |
| 2 | [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; keywords 100%; semantic match | [.md](https://openaitools.app/tool/deepseek.md) |
| 3 | [Tavily](https://openaitools.app/tool/gpt-researcher) | 989,998 | -0.8% | Contact for Pricing | The real-time web access layer for AI agents and deep research | category: ai-research-tool; keywords 100%; semantic match | [.md](https://openaitools.app/tool/gpt-researcher.md) |
| 4 | [Branded](https://openaitools.app/tool/gobranded-com) | 3,704,728 | +6.6% | Contact for Pricing | Targeted research audiences with AI-verified data quality | category: ai-research-tool, ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/gobranded-com.md) |
| 5 | [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-research-tool, ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/exa-ai.md) |
| 6 | [Extruct AI](https://openaitools.app/tool/extruct-ai) | 54,708 | -7% | Paid, Contact for Pricing | The company research API for AI agents | category: ai-research-tool, ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/extruct-ai.md) |
| 7 | [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; semantic match | [.md](https://openaitools.app/tool/google-ai-studio.md) |
| 8 | [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 100%; semantic match | [.md](https://openaitools.app/tool/tinyfish.md) |
| 9 | [Together AI](https://openaitools.app/tool/together-ai) | 1,645,930 | +64.9% | Freemium, Paid | Together AI is the AI Native Cloud — a full-stack platform for running, fine-tuning and training open-source models. It spans serverless inference APIs, dedicated endpoints, GPU clusters, post-training and storage, all b | category: ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/together-ai.md) |
| 10 | [Firecrawl](https://openaitools.app/tool/firecrawl-dev) | 1,828,239 | -1.9% | Freemium, Contact for Pricing | Web data API that turns any site into clean, AI-ready content | category: ai-research-tool, ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/firecrawl-dev.md) |
| 11 | [Gemma Open Models by Google](https://openaitools.app/tool/gemma-open-models-by-google) | 4,900,914 | -13.5% | Freemium, Paid | Google's family of lightweight, open-weight AI models | category: ai-research-tool; keywords 100%; semantic match | [.md](https://openaitools.app/tool/gemma-open-models-by-google.md) |
| 12 | [OpenRouter](https://openaitools.app/tool/openrouter-ai) | 19,941,437 | -6.2% | Paid | One API key for hundreds of AI models from every major provider | category: ai-api; semantic match | [.md](https://openaitools.app/tool/openrouter-ai.md) |
| 13 | [IndexBox](https://openaitools.app/tool/indexbox-io) | 330,438 | +14.5% | Free Trial, Paid | AI-driven market intelligence and trade data for 10,000+ products | category: ai-research-tool, ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/indexbox-io.md) |
| 14 | [Treg](https://openaitools.app/tool/treg) | 452,935 | +223.4% | Freemium | One key for 4,100+ agent tools, pay per call | category: ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/treg.md) |
| 15 | [Unsloth AI](https://openaitools.app/tool/unsloth-ai) | 887,457 | -17.6% | Free | Open-source, memory-efficient fine-tuning and local model running | category: ai-research-tool; keywords 100%; semantic match | [.md](https://openaitools.app/tool/unsloth-ai.md) |
| 16 | [Magisterium AI](https://openaitools.app/tool/magisterium-ai) | 639,839 | +2.3% | Freemium | Catholic answer engine grounded in 30,000+ cited sources | category: ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/magisterium-ai.md) |
| 17 | [Anakin](https://openaitools.app/tool/anakin) | 76,886 | -31.6% | Freemium | One scraping API that turns any website into agent-ready JSON | category: ai-research-tool, ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/anakin.md) |
| 18 | [Labelbox](https://openaitools.app/tool/labelbox) | 762,803 | -22.8% | Contact for Pricing | The environments frontier AI trains on, and the agents that do the recurring work | category: ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/labelbox.md) |
| 19 | [Semantic Scholar](https://openaitools.app/tool/semantic-scholar) | 8,198,672 | +5.8% | Free | A free, AI-powered academic search engine for 240M+ papers across every scientific field | category: ai-research-tool, ai-api; keywords 100% | [.md](https://openaitools.app/tool/semantic-scholar.md) |
| 20 | [Yep.com](https://openaitools.app/tool/yep-com) | 155,834 | +6.2% | Free | Independent web search and agent grounding API built on the Ahrefs index | category: ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/yep-com.md) |
| 21 | [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-research-tool, ai-api; keywords 100% | [.md](https://openaitools.app/tool/thomson-reuters.md) |
| 22 | [Surf](https://openaitools.app/tool/surf) | 116,252 | -18.9% | Free, Pro, Max, API credits | Institution-grade crypto and equities intelligence, delivered through a chat-style AI analyst. | category: ai-research-tool; keywords 100%; semantic match | [.md](https://openaitools.app/tool/surf.md) |
| 23 | [FutureSearch](https://openaitools.app/tool/futuresearch) | 34,474 | -32.7% | Freemium | Calibrated forecasts with the evidence trail attached | category: ai-research-tool, ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/futuresearch.md) |
| 24 | [Vaquill AI](https://openaitools.app/tool/vaquill-ai) | 25,554 | -36.7% | Free Trial, Contact for Pricing | The open API for US primary law, with a source link on every section | category: ai-research-tool, ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/vaquill-ai.md) |

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Source: https://openaitools.app/?q=AI%20API%20research

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