# AI tools for “LLM testing”

695 matching tools; showing 24, ranked by relevance.

Filters: `group=coding-development`

Related categories: [ai-testing](https://openaitools.app/category/ai-testing.md), [ai-models](https://openaitools.app/category/ai-models.md), [large-language-models-llms](https://openaitools.app/category/large-language-models-llms.md)

| # | Tool Name | Monthly Visits | MoM Growth Rate | Pricing Model | Summary | Why it matched | Profile (Markdown) |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| 1 | [KaneAI](https://openaitools.app/tool/kaneai) | 901,340 | +13.2% | Freemium, Paid, Contact for Pricing | GenAI-native end-to-end QA agent that plans, writes and heals tests in plain language | category: ai-testing, large-language-models-llms; keywords 100%; semantic match | [.md](https://openaitools.app/tool/kaneai.md) |
| 2 | [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-models, large-language-models-llms; keywords 100% | [.md](https://openaitools.app/tool/google-ai-studio.md) |
| 3 | [Future AGI](https://openaitools.app/tool/future-agi) | 121,741 | -7.8% | Freemium, Usage-based | Build, simulate, evaluate and monitor self-improving AI agents | category: ai-testing, ai-models, large-language-models-llms; keywords 100%; semantic match | [.md](https://openaitools.app/tool/future-agi.md) |
| 4 | [Outlier AI](https://openaitools.app/tool/outlier-ai) | 10,372,036 | +7.6% | Paid | Get paid to train the next generation of AI models | category: large-language-models-llms; keywords 100% | [.md](https://openaitools.app/tool/outlier-ai.md) |
| 5 | [Maxim AI](https://openaitools.app/tool/maxim-ai) | 121,351 | +10% | Contact for Pricing, Free Open Source | Evaluate, monitor, and govern your AI applications in production | category: ai-testing, large-language-models-llms; keywords 100%; semantic match | [.md](https://openaitools.app/tool/maxim-ai.md) |
| 6 | [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: large-language-models-llms | [.md](https://openaitools.app/tool/deepseek.md) |
| 7 | [Mindgard](https://openaitools.app/tool/mindgard) | 153,455 | +1.3% | Contact for Pricing | Attack-led AI security testing and red teaming | category: ai-testing, large-language-models-llms; keywords 100%; semantic match | [.md](https://openaitools.app/tool/mindgard.md) |
| 8 | [Confident AI](https://openaitools.app/tool/confident-ai) | 83,400 | -3.3% | Freemium, Paid, Contact for Pricing | Standardize LLM evaluation, observability, and red teaming across your whole org | category: ai-testing, large-language-models-llms; keywords 100%; semantic match | [.md](https://openaitools.app/tool/confident-ai.md) |
| 9 | [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-models, large-language-models-llms | [.md](https://openaitools.app/tool/openai.md) |
| 10 | [Openlayer](https://openaitools.app/tool/openlayer) | 48,415 | -6.4% | Freemium, Contact for Pricing | AI governance, testing, and observability for regulated enterprises | category: ai-testing, large-language-models-llms; keywords 100%; semantic match | [.md](https://openaitools.app/tool/openlayer.md) |
| 11 | [Alfa PTE](https://openaitools.app/tool/alfapte) | 886,734 | -15.1% | Freemium | PTE practice tests with instant AI scoring and realistic mock exams | category: ai-testing; keywords 77%; semantic match | [.md](https://openaitools.app/tool/alfapte.md) |
| 12 | [LangWatch](https://openaitools.app/tool/langwatch) | 52,098 | +73% | Contact for Pricing | Agent observability, evals and governance for AI platform teams | category: ai-testing, large-language-models-llms; keywords 100%; semantic match | [.md](https://openaitools.app/tool/langwatch.md) |
| 13 | [Hallo](https://openaitools.app/tool/hallo-ai-language-learning) | 363,490 | +38% | Contact for Pricing | AI language and skills assessments for hiring and education | category: ai-testing; keywords 77%; semantic match | [.md](https://openaitools.app/tool/hallo-ai-language-learning.md) |
| 14 | [PTE APEUni](https://openaitools.app/tool/apeuni-com) | 2,212,623 | +11.2% | Free | Practise PTE Academic and PTE Core free, with AI scoring for speaking and writing | category: ai-testing; keywords 77% | [.md](https://openaitools.app/tool/apeuni-com.md) |
| 15 | [Hamming AI](https://openaitools.app/tool/hamming-ai-yc-s24) | 17,813 | -31.7% | Contact for Pricing | The security layer for voice and chat agents: test, red-team, and monitor every call | category: ai-testing, large-language-models-llms; keywords 100%; semantic match | [.md](https://openaitools.app/tool/hamming-ai-yc-s24.md) |
| 16 | [gpt-oss playground](https://openaitools.app/tool/gpt-oss-playground) | 37,746 | -19.8% | Free | A live demo playground for OpenAI's open-weight gpt-oss models | category: ai-models, large-language-models-llms; keywords 100%; semantic match | [.md](https://openaitools.app/tool/gpt-oss-playground.md) |
| 17 | [Langtail](https://openaitools.app/tool/langtail) | 4,213 | +10% | Freemium, Paid | Prompt management, evaluation, and guardrails for production LLM apps | category: ai-testing, large-language-models-llms; keywords 100%; semantic match | [.md](https://openaitools.app/tool/langtail.md) |
| 18 | [Workik](https://openaitools.app/tool/workik) | 167,268 | -26.3% | Freemium | Context-aware AI that plans, codes, tests, and documents across your engineering workflows | category: large-language-models-llms; keywords 100% | [.md](https://openaitools.app/tool/workik.md) |
| 19 | [Vapi](https://openaitools.app/tool/vapi) | 662,301 | -11.4% | Freemium | Build, test, and deploy production-grade voice AI agents over API | category: large-language-models-llms; keywords 100% | [.md](https://openaitools.app/tool/vapi.md) |
| 20 | [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-models, large-language-models-llms | [.md](https://openaitools.app/tool/qwen-4.md) |
| 21 | [Alumnium](https://openaitools.app/tool/alumnium) | 920 | -73.2% | Freemium, Paid, Free | Write end-to-end tests in plain English, not selectors | category: ai-testing, large-language-models-llms; keywords 100%; semantic match | [.md](https://openaitools.app/tool/alumnium.md) |
| 22 | [Athina AI](https://openaitools.app/tool/athina-ai) | 6,917 | +21.3% | Freemium, Contact for Pricing | Collaborative platform to build, test, and monitor LLM features | category: ai-testing, large-language-models-llms; keywords 100%; semantic match | [.md](https://openaitools.app/tool/athina-ai.md) |
| 23 | [Klu](https://openaitools.app/tool/klu-ai-public-beta) | 30,504 | +44.3% | Freemium, Free Trial, Paid, Contact for Pricing | Evaluate every frontier model against your own workflows | category: ai-testing, ai-models, large-language-models-llms; keywords 100%; semantic match | [.md](https://openaitools.app/tool/klu-ai-public-beta.md) |
| 24 | [ERNIE Comate](https://openaitools.app/tool/ernie-comate) | 503,253 | -39.5% | Freemium | Baidu's ERNIE-powered AI coding partner for your IDE | category: ai-testing; keywords 100% | [.md](https://openaitools.app/tool/ernie-comate.md) |

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Source: https://openaitools.app/?q=LLM%20testing

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