Best Alternatives to Helicone

One-line proxy — cost tracking, 95% cache savings, 100+ model providers. Compare 10 similar free AI tools.

1. RouteLLM — Open-source strong/weak model router from UC Berkeley LMSYS (Free: Fully free; open source)
2. LiteLLM — Unified OpenAI-format interface for 100+ providers — proxy server (Free: Fully free; proxy server)
3. GPTCache — Open-source semantic LLM cache — 61–69% hit rate, 97%+ accuracy, saves $2K+/day (Free: Open source; self-hosted)
4. Langfuse — Framework-agnostic LLM tracing — generous free tier, European privacy (Free: Free self-host; cloud free tier)
5. DeepSeek API — GPT-4 class at $0.27/M tokens (Free: Unlimited (rate-limited); $0.27/M tokens)
6. Unify.ai — Quality/cost/latency sliders — live benchmarks updated every 10 minutes (Free: $100 free credits)
7. PricePerToken.com — Real-time LLM pricing across all providers — MCP server for Claude Code (Free: 100% free; MCP integration)
8. Redis Semantic Cache — Enterprise vector semantic caching with context-enabled search (Free: Free self-host; Redis Cloud free tier)
9. Brave Search API — Privacy-first search API — 2K free/month (Free: 2,000 free queries/month)
10. Hugging Face — GitHub of ML — 500K+ models, free Spaces, ZeroGPU (Free: Free Hub, inference credits, CPU Spaces, H200 ZeroGPU)

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