Keywords AI / Respan vs Helicone

Detailed side-by-side comparison to help you choose the right tool

Keywords AI / Respan

🔴Developer

AI observability

LLM monitoring and gateway platform for AI applications

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Starting Price

Custom
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Helicone

🔴Developer

AI observability

open-source LLM observability and gateway platform

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Starting Price

Free
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Feature Comparison

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FeatureKeywords AI / RespanHelicone
CategoryAI observabilityAI observability
Pricing Plans6 tiers4 tiers
Starting PriceFree
Key Features
    • • Proxy-Based Request Logging
    • • Cost Analytics & Budget Alerts
    • • Gateway-Level Caching

    Keywords AI / Respan - Pros & Cons

    Pros

    • ✓Free Pro tier includes full platform access, 100k logs, 1k scores, 5 datasets, 2 evaluators and 5 prompts
    • ✓Team tier adds unlimited datasets, evaluators and prompts plus private Slack and SOC 2 report
    • ✓Good provider coverage: OpenAI, Anthropic, OpenRouter, Groq, Fireworks, Together AI, Perplexity, Azure OpenAI and Bedrock
    • ✓Security signals include ISO 27001, SOC 2 and HIPAA references on the fetched page

    Cons

    • ✗Branding appears as Respan on fetched pages, so teams should verify the current product/legal name
    • ✗Additional logs are listed at $8 per 100k logs, which can matter for high-volume apps
    • ✗Enterprise items such as HIPAA BAA, custom SLAs and dedicated support require sales

    Helicone - Pros & Cons

    Pros

    • ✓Open-source positioning and one-line integration reduce adoption friction
    • ✓Pricing is more transparent than many LLM observability tools
    • ✓Combines observability and gateway controls in one product

    Cons

    • ✗Hobby plan limits retention to 7 days and ingestion to 10 logs/min
    • ✗Advanced compliance and Slack support start at the $799/month Team tier
    • ✗Teams needing deep eval workflows may still compare against Braintrust or Langfuse

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    🔒 Security & Compliance Comparison

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    Security FeatureKeywords AI / RespanHelicone
    SOC2—✅ Yes
    GDPR—✅ Yes
    HIPAA—❌ No
    SSO—✅ Yes
    Self-Hosted—✅ Yes
    On-Prem—✅ Yes
    RBAC—✅ Yes
    Audit Log—✅ Yes
    Open Source—✅ Yes
    API Key Auth—✅ Yes
    Encryption at Rest—✅ Yes
    Encryption in Transit—✅ Yes
    Data Residency—US, EU
    Data Retention—configurable
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    Ready to Choose?

    Read the full reviews to make an informed decision

    Review Keywords AI / RespanReview Helicone