Best Helicone Alternatives in 2025
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Helicone AI Gateway: Unify & optimize your LLM APIs for production. Boost performance, cut costs, ensure reliability with intelligent routing & caching.
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Helix is a private GenAI stack for building AI agents with declarative pipelines, knowledge (RAG), API bindings, and first-class testing.
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Manage your prompts, evaluate your chains, quickly build production-grade applications with Large Language Models.
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Accelerate AI development with Comet. Track experiments, evaluate LLMs with Opik, manage models & monitor production all in one platform.
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Opik: The open-source platform to debug, evaluate, and optimize your LLM, RAG, and agentic applications for production.
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Evaligo: Your all-in-one AI dev platform. Build, test & monitor production prompts to ship reliable AI features at scale. Prevent costly regressions.
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Build private GenAI apps with HelixML. Control your data & models with our self-hosted platform. Deploy on-prem, VPC, or our cloud.
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Companies of all sizes use Confident AI justify why their LLM deserves to be in production.
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Build, manage, and scale production-ready AI workflows in minutes, not months. Get complete observability, intelligent routing, and cost optimization for all your AI integrations.
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Flowstack: Monitor LLM usage, analyze costs, & optimize performance. Supports OpenAI, Anthropic, & more.
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Streamline LLM prompt engineering. PromptLayer offers management, evaluation, & observability in one platform. Build better AI, faster.
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LazyLLM: Low-code for multi-agent LLM apps. Build, iterate & deploy complex AI solutions fast, from prototype to production. Focus on algorithms, not engineering.
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Braintrust: The end-to-end platform to develop, test & monitor reliable AI applications. Get predictable, high-quality LLM results.
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Boost Language Model performance with promptfoo. Iterate faster, measure quality improvements, detect regressions, and more. Perfect for researchers and developers.
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Laminar: The open-source platform for AI agent developers. Monitor, debug & improve agent performance with real-time observability, powerful evaluations & SQL insights.
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PromptTools is an open-source platform that helps developers build, monitor, and improve LLM applications through experimentation, evaluation, and feedback.
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Harbor is a containerized LLM toolkit. Instantly launch complete LLM stacks, connect services seamlessly, customize your environment, simplify model management, and boost LLM performance. Ideal for AI development, testing, and learning.
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Deepchecks: The end-to-end platform for LLM evaluation. Systematically test, compare, & monitor your AI apps from dev to production. Reduce hallucinations & ship faster.
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Coze Loop is a developer-oriented, platform-level solution focused on the development and operation of AI agents. It addresses various challenges faced during the AI agent development process, providing full lifecycle management capabilities from development, debugging, evaluation, to monitoring.
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Debug your AI agents with complete visibility into every request. vLLora works out of the box with OpenAI-compatible endpoints, supports 300+ models with your own keys, and captures deep traces on latency, cost, and model output.
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Call all LLM APIs using the OpenAI format. Use Bedrock, Azure, OpenAI, Cohere, Anthropic, Ollama, Sagemaker, HuggingFace, Replicate (100+ LLMs)
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LLM Gateway: Unify & optimize multi-provider LLM APIs. Route intelligently, track costs, and boost performance for OpenAI, Anthropic & more. Open-source.
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Test, compare & refine prompts across 50+ LLMs instantly—no API keys or sign-ups. Enforce JSON schemas, run tests, and collaborate. Build better AI faster with LangFast.
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TaskingAI brings Firebase's simplicity to AI-native app development. Start your project by selecting an LLM model, build a responsive assistant supported by stateful APIs, and enhance its capabilities with managed memory, tool integrations, and augmented generation system.
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Anannas unifies 500+ LLMs via a single API. Simplify integration, optimize costs, and ensure 99.999% reliability for your enterprise AI apps.
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LM Studio is an easy to use desktop app for experimenting with local and open-source Large Language Models (LLMs). The LM Studio cross platform desktop app allows you to download and run any ggml-compatible model from Hugging Face, and provides a simple yet powerful model configuration and inferencing UI. The app leverages your GPU when possible.
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OpenLIT is an open-source LLM and GPU observability tool built on OpenTelemetry. It offers tracing, metrics, and a playground to debug and improve LLM apps. Supports 20+ integrations like OpenAI, LangChain, and exports data to your existing observability tools
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Adaline transforms the way teams develop, deploy, and maintain LLM-based solutions.
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LightEval is a lightweight LLM evaluation suite that Hugging Face has been using internally with the recently released LLM data processing library datatrove and LLM training library nanotron.
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Ensure reliable, safe generative AI apps. Galileo AI helps AI teams evaluate, monitor, and protect applications at scale.