# Keywords AI (Respan) Alternatives

12 alternatives to Keywords AI (Respan) (0 monthly visits, Freemium), matched by function and use case.

About Keywords AI (Respan): Open-source AI gateway with built-in observability and evals — [Profile (Markdown)](https://openaitools.app/tool/keywords-ai.md)

| # | Tool Name | Monthly Visits | MoM Growth Rate | Pricing Model | Summary | Compare |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| 1 | [Respan](https://openaitools.app/tool/respan) | 91,503 | -14.5% | Freemium | Open-source AI gateway with observability and evals built in | [Keywords AI (Respan) vs Respan](https://openaitools.app/compare/keywords-ai-vs-respan.md) |
| 2 | [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 | [Keywords AI (Respan) vs OpenRouter](https://openaitools.app/compare/keywords-ai-vs-openrouter-ai.md) |
| 3 | [LLM Gateway](https://openaitools.app/tool/llm-gateway) | 168,426 | -14.5% | Freemium, Contact for Pricing | One OpenAI-compatible API to route, monitor and control 250+ LLM models | [Keywords AI (Respan) vs LLM Gateway](https://openaitools.app/compare/keywords-ai-vs-llm-gateway.md) |
| 4 | [Portkey](https://openaitools.app/tool/portkey-ai) | 195,650 | -9.4% | Freemium, Paid, Contact for Pricing | AI gateway, observability and guardrails for production LLM apps | [Keywords AI (Respan) vs Portkey](https://openaitools.app/compare/keywords-ai-vs-portkey-ai.md) |
| 5 | [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 AI (Respan) vs Helicone](https://openaitools.app/compare/helicone-ai-vs-keywords-ai.md) |
| 6 | [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 AI (Respan) vs Maxim AI](https://openaitools.app/compare/keywords-ai-vs-maxim-ai.md) |
| 7 | [LiteLLM](https://openaitools.app/tool/litellm) | 576,967 | +7.9% | Freemium, Contact for Pricing | One open-source AI gateway for 100+ LLM providers | [Keywords AI (Respan) vs LiteLLM](https://openaitools.app/compare/keywords-ai-vs-litellm.md) |
| 8 | [LangWatch](https://openaitools.app/tool/langwatch) | 52,098 | +73% | Contact for Pricing | Agent observability, evals and governance for AI platform teams | [Keywords AI (Respan) vs LangWatch](https://openaitools.app/compare/keywords-ai-vs-langwatch.md) |
| 9 | [OrcaRouter](https://openaitools.app/tool/orcarouter) | 975,300 | -5.2% | Freemium | One OpenAI-compatible gateway for adaptive LLM routing, guardrails, and spend control | [Keywords AI (Respan) vs OrcaRouter](https://openaitools.app/compare/keywords-ai-vs-orcarouter.md) |
| 10 | [Manifest](https://openaitools.app/tool/manifest) | 54,135 | -23% | Free | The open-source LLM gateway that fixes your agents' requests on the fly | [Keywords AI (Respan) vs Manifest](https://openaitools.app/compare/keywords-ai-vs-manifest.md) |
| 11 | [OpenLIT](https://openaitools.app/tool/openlit) | 6,028 | -18.3% | Free | Open-source, OpenTelemetry-native observability and harness engineering for AI agents | [Keywords AI (Respan) vs OpenLIT](https://openaitools.app/compare/keywords-ai-vs-openlit.md) |
| 12 | [Flatkey](https://openaitools.app/tool/flatkey-ai) | 49,134 | -40.8% | Paid, Contact for Pricing | One API key for frontier models, 1,000+ AI tools, and one invoice | [Keywords AI (Respan) vs Flatkey](https://openaitools.app/compare/flatkey-ai-vs-keywords-ai.md) |

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Source: https://openaitools.app/alternatives/keywords-ai

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