Tools
Helicone vs Langfuse
Helicone or Langfuse? Their plans monthly and yearly, the capabilities their makers state, security and latest updates, side by side — read from the makers' own pages.
In short
- Both: Choice of models, Self-hosted, API, Official SDKs, Traces and evaluates
- Only Langfuse states: Command line
Helicone
Helicone routes, monitors, debugs, and analyzes AI applications through an open-source gateway and observability platform.
Plans
Hobby
Free
- 10,000 free requests
- 1 GB storage
- 1 seat, 1 organization
Pro
- $79 per month
- Everything in Hobby
- Unlimited seats
- Alerts & reports
- HQL (Query Language)
Team
- $799 per month
- Everything in Pro
- 5 organizations
- SOC-2 & HIPAA compliance
- Dedicated Slack channel
Enterprise
Price on request
- Everything in Team
- Custom MSA
- SAML SSO
- On-prem deployment
- Bulk cloud discounts
Prices checked 2026-09-25 on the maker’s page.
Capabilities
- Choice of models — “Request Routing : Route by model, cost, or custom rules” source
- Self-hosted — “Now you can deploy our powerful observability platform directly within your own infrastructure with a single Docker command.” source
- API — “With this setup, any calls to the OpenAI Responses API will be automatically logged and monitored by Helicone.” source
- Official SDKs — “We’re thrilled to announce that we now have a Go SDK for Helicone’s Helpers Package .” source
- Traces and evaluates — “Built-in Observability : Full integration with Helicone’s analytics” source
Latest updates
- Claude Sonnet 4 and Sonnet 4.5 now support 1M context window
Sonnet 4 and Sonnet 4.5 models on the AI Gateway now support a 1M token context window by default across Anthropic API, AWS Bedrock, and Google Vertex AI.
- Control Reasoning Effort in Playground and better feedback on thinking models
Added the reasoning effort parameter, a minimal option, existing reasoning levels, and visual reasoning display when available.
- OpenAI GPT-5 Models Pricing and Playground Support
Added pricing for GPT-5, GPT-5-Mini, GPT-5-Nano, and GPT-5-Chat-Latest models across multiple providers.
Langfuse
Langfuse traces, evaluates, and monitors AI agents and LLM applications, with prompt management, experiments, and cost analytics.
Plans
Hobby
Free
- 50k units / month included
- 30 days data access
- 2 users
- Community support via GitHub
- All platform features (with limits)
Core
- $29 / month
- $8/100k units
- 100k units / month included
- 90 days data access
- Unlimited users
- In-app support
- Everything in Hobby
Pro
- $199 / month
- $8/100k units
- 100k units / month included
- 3 years data access
- Data retention management
- Unlimited annotation queues
- High rate limits
- Prioritized in-app support
Enterprise
- $2499 / month
- $8/100k units
- 100k units / month included
- Audit Logs
- SCIM API
- Custom rate limits
- Uptime SLA
- Named lead support engineer
Prices checked 2026-09-25 on the maker’s page.
Capabilities
- Command line — “Langfuse CLI Full API access from the terminal for agent workflows, scripts, and CI/CD.” source
- Choice of models — “Test prompts on real production inputs and compare models side-by-side.” source
- Self-hosted — “Self-host at scale” source
- API — “REST APIs for everything” source
- Official SDKs — “Best-in-class SDKs: Native SDKs for Python and JavaScript” source
- Traces and evaluates — “Trace, evaluate, and improve AI agents with one open platform.” source
Security
- SOC 2 Type II — “The production service is based on the same open-source Langfuse codebase, is covered by SOC 2 Type II and ISO 27001 audits, and undergoes annual third-party penetration tests.” source
- SOC 2 — “We take active steps to demonstrate our commitment to data security and privacy such as annual SOC2 Type 2 and ISO27001 audits as well as External Penetration Tests.” source
- ISO 27001 — “The production service is based on the same open-source Langfuse codebase, is covered by SOC 2 Type II and ISO 27001 audits, and undergoes annual third-party penetration tests.” source
- GDPR — “Langfuse is GDPR compliant, and offers data retention, data masking and data deletion capabilities to manage the processing of personal data .” source
- HIPAA — “We offer a DPA , provide a HIPAA-ready region , and adhere to our Privacy Policy .” source
- Data kept in the EU — “Langfuse Cloud – fully-managed SaaS (multi-tenant) with US, EU, Japan, and HIPAA data regions” source
Latest updates
- Langfuse v4 is live: faster at scale, with more ways to search, monitor, and evaluate
Initial table loads drop from seconds to milliseconds, and dashboards over longer time ranges load at least 10x faster.