Alternatives · 2026
Best Helicone Alternatives in 2026
24 alternatives · 21 with a free plan · Updated
What are the best Helicone alternatives?
The best Helicone alternatives for AI API in 2026 are Toolhouse (cloud infrastructure for LLMs, free), Fiorino.AI (open-source LLM cost management platform, enterprise) and UsageGuard (AI gateway, enterprise). 21 of the 24 listed alternatives have a free or freemium plan.
Looking for something other than Helicone? Below are 24 alternatives in AI API, AI Developer Tools and AI Monitor, all closely matched, ranked by how much they overlap with Helicone. Helicone itself is freemium (free plan + paid upgrades). Each entry shows what the tool does, what it shares with Helicone, its key features and pricing.
What is Helicone?
Helicone has a free Hobby plan with 10,000 requests, and paid plans start at $20 per seat per month. Helicone is an open-source LLM observability platform that helps developers monitor, debug, and improve AI apps.
- Pricing
- Freemium
Key features of Helicone
- Hobby Kickstart your AI project
- Requests and Dashboard
- Scale beyond 10k requests
- Core observability features
Helicone alternatives compared
| Tool | Pricing | Shared with Helicone | Match |
|---|---|---|---|
| Helicone | Freemium | — | Original |
| Toolhouse | Free | AI API, AI Developer Tools, Large Language Models (LLMs), Other | Strong match |
| Fiorino.AI | Enterprise | AI API, AI Developer Tools, Large Language Models (LLMs), Other | Strong match |
| UsageGuard | Enterprise | AI API, AI Developer Tools, AI Monitor, Large Language Models (LLMs), Other | Strong match |
| Keywords AI | Free | AI API, AI Developer Tools, AI Monitor, Large Language Models (LLMs), Other | Strong match |
| Portkey | Free | AI API, AI Developer Tools, AI Monitor, Large Language Models (LLMs), Other | Strong match |
Top 24 alternatives to Helicone
- #1T
Cloud infrastructure for LLMs that lets developers build, deploy and debug AI agents with memory, RAG and automated evals.
In common with Helicone: AI API, AI Developer Tools, Large Language Models (LLMs), Other
- Reduces development time for AI agents
- Provides a complete cloud infrastructure for LLMs
- Offers built-in features like RAG
Pricing: free
- #2F
Fiorino.AI is an open-source LLM cost management platform that tracks AI API usage and supports custom, usage-based billing for SaaS businesses.
In common with Helicone: AI API, AI Developer Tools, Large Language Models (LLMs), Other
- Open-source and customizable
- Provides granular LLM usage metrics
- Supports custom pricing and usage-based billing
Pricing: custom quote
- #3
UsageGuard is an AI gateway that gives developers one API for many AI models, with security safeguards, cost control, and usage tracking.
In common with Helicone: AI API, AI Developer Tools, AI Monitor, Large Language Models (LLMs), Other
- It provides AI security
Pricing: custom quote
- #4K
Keywords AI is an LLM API and monitoring platform for building, deploying, and tracking OpenAI-style AI apps at a lower cost than GPT-4.
In common with Helicone: AI API, AI Developer Tools, AI Monitor, Large Language Models (LLMs), Other
- Cost-effective alternative to GPT-4
- Easy integration with OpenAI style API call
- Unified platform for building
Pricing: free
- #5
Portkey is an AI gateway and observability platform that helps developers monitor, route, and control calls to large language model apps.
In common with Helicone: AI API, AI Developer Tools, AI Monitor, Large Language Models (LLMs), Other
- It also provides an MCP client to build AI agents with access to real-world tools
Pricing: free
- #6
Puddl is an LLMOps platform for tracking LLM costs, testing prompts in a playground, and analyzing requests across deployments.
In common with Helicone: AI Developer Tools, AI Monitor, Large Language Models (LLMs), Other
- LLMOps tool for prompt engineering and LLM understanding
Pricing: free
- #7
LLM Gateway is an open source API gateway that routes, manages, and tracks costs of requests to many large language model providers.
In common with Helicone: AI API, AI Developer Tools, Large Language Models (LLMs), Other
- Fully open source under an MIT license
- Unified API compatible with OpenAI format for easy migration
- Supports a wide range of LLM providers
Pricing: free
- #8
Tiktokenizer is a developer tool for tracking AI token usage in real time and billing customers in proportion to what they consume.
In common with Helicone: AI API, AI Developer Tools, AI Monitor, Large Language Models (LLMs), Other
- Transparent and fair billing for AI applications
- Easy integration with pre-built code snippets
- Real-time token usage tracking
Pricing: free
- #9
LastMile AI is a developer platform for debugging, evaluating, and monitoring AI applications, including RAG and multi-agent systems.
In common with Helicone: AI API, AI Developer Tools, AI Monitor, Large Language Models (LLMs), Other
- Full-stack platform for debugging
Pricing: free
- #10
OpenRouter is a unified API gateway that gives developers one LLM interface for many AI models, with automatic fallback when a provider goes down.
In common with Helicone: AI API, AI Developer Tools, Large Language Models (LLMs), Other
- It provides better prices
Pricing: free
- #11P
Prompt Manager Pro is a collaborative AI prompt management tool for building and optimizing prompts used in AI applications.
In common with Helicone: AI API, AI Developer Tools, Large Language Models (LLMs), Other
- A platform for collaborative prompt building
Pricing: free plan, paid plans from $97
- #12
Not Diamond is an AI model router that picks the best LLM for each query to cut costs and improve accuracy.
In common with Helicone: AI API, AI Developer Tools, Large Language Models (LLMs), Other
Pricing: free
- #13
GenAI collaboration platform where software teams build, monitor, and scale LLM applications, with logs, traces, and prompt tools.
In common with Helicone: AI API, AI Developer Tools, AI Monitor, Large Language Models (LLMs), Other
Pricing: free
- #14S
SaaSpec tracks each user's LLM API token costs and turns monthly usage into Stripe invoices for pay-as-you-go AI software.
In common with Helicone: AI API, AI Developer Tools, AI Monitor, Large Language Models (LLMs), Other
- Currently supports only OpenAI models
Pricing: free
- #15
WhyLabs is an AI monitoring tool that tracks machine learning models and data, and adds LLM security guardrails to AI applications.
In common with Helicone: AI Developer Tools, AI Monitor, Large Language Models (LLMs), Other
Pricing: free plan, paid plans from $125
- #16
PremAI is a private AI platform for enterprises and consumers, with custom finetuned models, encrypted inference, and open-source RAG models.
In common with Helicone: AI API, AI Developer Tools, Large Language Models (LLMs), Other
Pricing: custom quote
- #17
Open-source GenAI and LLM observability platform that combines APM, traces, and metrics in one view, native to OpenTelemetry.
In common with Helicone: AI Developer Tools, AI Monitor, Large Language Models (LLMs), Other
Pricing: free
- #18
No-code AI workflow platform for building and deploying LLM workflows, with multi-LLM routing, caching and cost controls for developers.
In common with Helicone: AI API, AI Developer Tools, AI Monitor, Large Language Models (LLMs), Other
- No-code AI workflow platform with multi-LLM support and cost optimization
Pricing: free
- #19
Sweephy is a regulatory compliance monitoring tool that sends instant alerts on upcoming EU rules, plus no-code data cleaning and organizing.
In common with Helicone: AI API, AI Monitor, Large Language Models (LLMs), Other
- It also plays a role in cleaning and organizing data
Pricing: free
- #20
Developers use Novita AI as a cloud platform with model APIs for AI image generation, plus GPU instances and serverless GPUs for running AI workloads.
In common with Helicone: AI API, AI Developer Tools, Large Language Models (LLMs), Other
- GPU instances
Pricing: free
- #21
UbiOps is an AI model serving platform that deploys and manages machine learning models and LLMs without managing Kubernetes or cloud infrastructure.
In common with Helicone: AI API, AI Developer Tools, AI Monitor, Large Language Models (LLMs), Other
- AI model serving and orchestration platform for deploying and managing AI workloads
Pricing: free
- #22
Search and recommendation platform that adds fast, AI-driven search and recommendations to websites and apps for developers.
In common with Helicone: AI API, AI Developer Tools, Large Language Models (LLMs), Other
- AI-powered search and recommendation platform for websites and apps
Pricing: free
- #23
DataRobot is an AI platform for deploying, monitoring, and governing machine learning models in production.
In common with Helicone: AI API, AI Developer Tools, AI Monitor, Large Language Models (LLMs), Other
Pricing: free
- #24
API that calculates token counts and costs for OpenAI API requests across 20 models.
In common with Helicone: AI API, AI Developer Tools, Large Language Models (LLMs), Other
Pricing: free
How we picked these Helicone alternatives
We rank tools by how closely they match Helicone: tools that share more of its categories rank first, then tools whose main category, tags and description overlap with it, then community votes and views. Pricing type and features come from each product's SoftwareVital listing. Admins can pin or remove tools from this list.
Frequently asked questions
What are the best alternatives to Helicone in 2026?
The closest alternatives to Helicone are Toolhouse, Fiorino.AI, UsageGuard, Keywords AI and Portkey. They are ranked by how many categories and tags they share with Helicone and how similar their descriptions are, then by community votes and views on SoftwareVital.
What is the closest alternative to Helicone?
Toolhouse is the closest match because it shares AI API, AI Developer Tools and Large Language Models (LLMs) with Helicone. It is free.
Are there free alternatives to Helicone?
Yes. 21 of the 24 alternatives have a free or freemium plan, including Toolhouse (free), Keywords AI (free), Portkey (free), Puddl (free) and LLM Gateway (free). Helicone is freemium (free plan + paid upgrades).
Which Helicone alternatives are paid or enterprise tools?
Fiorino.AI (enterprise), UsageGuard (enterprise) and PremAI (enterprise) use paid or enterprise pricing, which usually means more support and admin options for teams.
How does Helicone compare to Toolhouse?
Toolhouse overlaps with Helicone in AI API, AI Developer Tools and Large Language Models (LLMs). Its listed features include reduces development time for AI agents, provides a complete cloud infrastructure for LLMs and offers built-in features like RAG. Pricing: free. Open the side-by-side compare page for a full breakdown.
What category is Helicone in?
Helicone is listed under AI API on SoftwareVital. Browse that category to see more tools in the same group.