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Helicone
AI gateway and LLM observability platform for routing, debugging, and analyzing production LLM applications.
Startups and product teams shipping LLM features that need gateway routing, tracing, and prompt debugging with a low starting price.
Enterprises that already standardized on a different observability stack and only need offline eval notebooks.
Verdict
Helicone is an AI gateway and LLM observability company that helps teams route, debug, and analyze LLM application traffic. It publishes transparent usage-based pricing with a free Hobby tier and paid Pro and Team plans, and in 2025 announced it was joining Mintlify while keeping the product available. It matters because production LLM apps need request-level visibility and routing controls, and Helicone sells that layer to builders who do not want to run their own proxy.
Score Breakdown
How Helicone scores in the categories that matter to its buyers.
Pricing
Helicone publishes Hobby (free), Pro ($79/month), and Team ($799/month) plans, with usage-based metering called out on Pro.
| Plan | Price | What stands out |
|---|---|---|
| Hobby | $0 | 10,000 free requests, 1 GB storage, 1 seat |
| Pro | $79 / month | Unlimited seats, alerts and reports, HQL; usage-based pricing applies |
| Team | $799 / month | Everything in Pro plus higher team limits |
The Field at a Glance
How Helicone compares with other Prompt & app frameworks vendors we reviewed, by Overall Score and relative typical engagement cost.
Helicone scores 7.8 in Prompt & app frameworks, under LiteLLM (8.0) and Portkey (7.9), and ahead of PromptLayer (6.9). Relative cost lands lower for this subcategory.
Use-case matrix
| Use case | Fit | Notes |
|---|---|---|
| Production LLM tracing | Strong | Sessions, users, and request analytics are core. |
| Gateway routing | Strong | AI Gateway is a headline product. |
| Transparent starter pricing | Strong | Hobby free and Pro list prices are public. |
| Heavy offline eval platforms | Mixed | Observability-first; eval depth varies by stack. |
| Air-gapped only deployments | Weak | Cloud-first SaaS motion. |
| Non-LLM app monitoring | Weak | Built for LLM traffic. |
Who it’s for
Good fit
- AI product engineering teams
- Startups on OpenAI, Anthropic, or OpenRouter
- Teams replacing ad-hoc logging
Poor fit
- Teams without LLM apps
- Buyers needing only batch evals
- Orgs that forbid third-party gateways
Review Excerpts
Below are excerpts from public reviews. Our team scoured public reviews, forums, and chat rooms to get a balanced view of customers' experience with this company. Paid reviews and pay-for-play sites such as Clutch were excluded.
Helicone markets itself as an AI gateway and LLM observability platform used to route, debug, and analyze applications, with integrations for OpenAI, Anthropic, Azure, LiteLLM, and others.
Published pricing starts with a free Hobby plan (10,000 requests), Pro at $79 per month, and Team at $799 per month, so teams can size cost before a sales call.
Helicone announced it is joining Mintlify, so buyers evaluating long-term vendor independence should confirm roadmap and support continuity during the transition.
Company Facts
- Founded
- 2022 (CB Insights)
- Headquarters
- San Francisco, California, United States (CB Insights)
- Employees
- About 5 (Y Combinator)
- Total funding raised
- $2M (CB Insights)
- Key investors
- Coughdrop Capital, Y Combinator, Realm Capital Ventures (CB Insights)
- Accelerator
- Y Combinator, Winter 2023 batch (Y Combinator)
- Website
- helicone.ai
Key Leadership
Justin Torre
Founder and CEO
Methodology
This page is an independent evaluation of Helicone for buyers comparing options in prompt & app frameworks. AI Industry Reviews accepts no sponsorships, advertising, or pay-for-placement fees. Helicone did not pay for this review.
What we scored
The headline number is an Overall Score on a 0-10 scale. Eight criteria sit under it in two groups.
- Buyer outcomes (for prompt & app frameworks)
- LLM gateway and routing
- Tracing and debugging
- Pricing clarity
- Deep offline eval suites
- Company & commercial
- Innovation & product leadership
- Project management & communication
- Pricing
- Contract fairness
Pricing measures whether the price looks fair for the value delivered, including packaging and renewal friction that show up in real buying cycles.
Score Composition
| Input | Weight | What it covers |
|---|---|---|
| Reviews | 40% | A proprietary read of what practitioners say about likes, complaints, and day-to-day use, including public review sites, forums, and private chat rooms. Paid reviews and pay-for-play sites such as Clutch are out of scope. |
| Product | 35% | Hands-on look at screens and workflows. |
| Pricing | 15% | Whether the price looks fair for what you get. |
| Docs & training | 10% | Docs, tutorials, and training material. |
How we balanced the evidence
The Overall Score is the simple average of the eight criteria. Recommendation language follows that score and the fit pattern described above.
Scope
Helicone is graded here as prompt & app frameworks. Criteria scores can move as more review volume and product checks are added.