# AI tools for “Prompt evaluation” 169 matching tools; showing 24, ranked by relevance. Filters: `group=coding-development` | # | Tool Name | Monthly Visits | MoM Growth Rate | Pricing Model | Summary | Why it matched | Profile (Markdown) | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | 1 | [PromptLayer](https://openaitools.app/tool/promptlayer) | 85,899 | -4.6% | Free Trial, Contact for Pricing | The collaboration layer for AI engineering teams | keywords 100%; semantic match | [.md](https://openaitools.app/tool/promptlayer.md) | | 2 | [Outlier AI](https://openaitools.app/tool/outlier-ai) | 10,372,036 | +7.6% | Paid | Get paid to train the next generation of AI models | keywords 100% | [.md](https://openaitools.app/tool/outlier-ai.md) | | 3 | [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 | keywords 100%; semantic match | [.md](https://openaitools.app/tool/maxim-ai.md) | | 4 | [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 | keywords 100%; semantic match | [.md](https://openaitools.app/tool/klu-ai-public-beta.md) | | 5 | [LangWatch](https://openaitools.app/tool/langwatch) | 52,098 | +73% | Contact for Pricing | Agent observability, evals and governance for AI platform teams | keywords 100%; semantic match | [.md](https://openaitools.app/tool/langwatch.md) | | 6 | [Langtail](https://openaitools.app/tool/langtail) | 4,213 | +10% | Freemium, Paid | Prompt management, evaluation, and guardrails for production LLM apps | keywords 100%; semantic match | [.md](https://openaitools.app/tool/langtail.md) | | 7 | [honeyhive.ai](https://openaitools.app/tool/honeyhive-ai) | 8,835 | -52.5% | Freemium, Contact for Pricing | Observe, evaluate and monitor AI agents in production | keywords 100%; semantic match | [.md](https://openaitools.app/tool/honeyhive-ai.md) | | 8 | [Prolific](https://openaitools.app/tool/prolific-com) | 18,697,671 | -1.8% | Paid | High-quality human data for AI training, evaluation, and research | keywords 67% | [.md](https://openaitools.app/tool/prolific-com.md) | | 9 | [Scorecard](https://openaitools.app/tool/scorecard) | 6,344 | +8.2% | Freemium | The simulation platform for agent self-improvement | keywords 100%; semantic match | [.md](https://openaitools.app/tool/scorecard.md) | | 10 | [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 | keywords 100%; semantic match | [.md](https://openaitools.app/tool/athina-ai.md) | | 11 | [Weights & Biases (CoreWeave Forge)](https://openaitools.app/tool/prompts) | 315,624 | -80.2% | Freemium, Contact for Pricing, Free | Track, evaluate, and ship AI models and agents in one connected environment. | keywords 100% | [.md](https://openaitools.app/tool/prompts.md) | | 12 | [PromptBase](https://openaitools.app/tool/promptbase) | 538,129 | -1.8% | Paid | Buy a prompt that already works - or sell the ones you have perfected. | semantic match | [.md](https://openaitools.app/tool/promptbase.md) | | 13 | [Arize AI](https://openaitools.app/tool/arize-com) | 249,028 | +3.2% | Paid, Contact for Pricing | Agent observability, evaluation, and continuous improvement for production AI | keywords 100% | [.md](https://openaitools.app/tool/arize-com.md) | | 14 | [Respan](https://openaitools.app/tool/respan) | 91,503 | -14.5% | Freemium | Open-source AI gateway with observability and evals built in | keywords 100% | [.md](https://openaitools.app/tool/respan.md) | | 15 | [Agenta](https://openaitools.app/tool/agenta) | 45,760 | +29.5% | Freemium | Open-source workspace for building, evaluating and shipping AI agents | keywords 100% | [.md](https://openaitools.app/tool/agenta.md) | | 16 | [Vellum](https://openaitools.app/tool/vellum) | 331,901 | -20.8% | Freemium, Paid | A private, memory-powered AI assistant you own and customize | keywords 100% | [.md](https://openaitools.app/tool/vellum.md) | | 17 | [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 | keywords 100% | [.md](https://openaitools.app/tool/confident-ai.md) | | 18 | [Scale](https://openaitools.app/tool/scale) | 616,915 | +12.5% | Contact for Pricing | The data, evaluations and systems behind AI that has to be right. | keywords 67% | [.md](https://openaitools.app/tool/scale.md) | | 19 | [Appen](https://openaitools.app/tool/appen-com) | 665,840 | +0.2% | Contact for Pricing | Human-validated training data and evaluation services for frontier AI models | keywords 67% | [.md](https://openaitools.app/tool/appen-com.md) | | 20 | [ModelScope](https://openaitools.app/tool/modelscope-community) | 3,085,423 | +5.1% | Free | Open-source model and dataset hub with one-click online demos | keywords 67% | [.md](https://openaitools.app/tool/modelscope-community.md) | | 21 | [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 | keywords 67% | [.md](https://openaitools.app/tool/labelbox.md) | | 22 | [ChatGPT Shortcut](https://openaitools.app/tool/chatgpt-shortcut) | 84,028 | -9.9% | Free | Free, community-curated AI prompt library for ChatGPT, Claude and Gemini | semantic match | [.md](https://openaitools.app/tool/chatgpt-shortcut.md) | | 23 | [Helicone](https://openaitools.app/tool/helicone-ai) | 57,187 | -25.2% | Freemium, Free Trial, Paid, Contact for Pricing, Free | Open-source LLM observability and AI gateway for shipping reliable AI apps | keywords 100% | [.md](https://openaitools.app/tool/helicone-ai.md) | | 24 | [SuperAnnotate](https://openaitools.app/tool/super-annotate) | 386,034 | +37.4% | Free Trial, Contact for Pricing | AI data infrastructure for building production-grade models | keywords 67% | [.md](https://openaitools.app/tool/super-annotate.md) | Page 1 of 8 · [Next page →](https://openaitools.app/index.md?q=Prompt+evaluation&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=Prompt%20evaluation More Markdown: [Categories](https://openaitools.app/categories.md) · [Traffic rankings](https://openaitools.app/rankings.md) · [llms.txt](https://openaitools.app/llms.txt)