Chronary vs LLM Gateway: Which is Better in 2026?
A comprehensive comparison of Chronary and LLM Gateway covering features, pricing, use cases, and which tool is the right choice for your needs.
⚡ Quick Verdict
Choose Chronary if:
- →You need cross-agent availability queries — find a slot free for several agents at once or scheduling proposals and temporal holds for agents that negotiate before committing
Choose LLM Gateway if:
- →You want more affordable paid plans (from $0.01/mo)
- →You need one openai-compatible endpoint for 200+ models across 40+ providers or real-time cost tracking and spend controls across every provider
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Chronary vs LLM Gateway: At a Glance
Pricing Comparison: Chronary vs LLM Gateway
Understanding the pricing differences between Chronary and LLM Gateway is crucial for making the right choice. Here's how their plans compare side by side.
Chronary Pricing
LLM Gateway Pricing
💡 Pricing takeaway: Both Chronary and LLM Gateway offer free tiers, making it easy to try before you buy. Compare the specific plans to find the best value for your use case.
Feature-by-Feature Comparison
Here's how every feature from Chronary and LLM Gateway stacks up.
What Makes Each Tool Unique
🔵 Unique to Chronary
Features available in Chronary but not in LLM Gateway:
- ✓Cross-agent availability queries — find a slot free for several agents at once
- ✓Scheduling proposals and temporal holds for agents that negotiate before committing
- ✓Google and Microsoft calendar sync, plus iCal feeds and webhook fan-out
- ✓REST API and MCP server, with a TypeScript SDK
- ✓Per-agent API keys and audit log history
- ✓Booking pages for inbound human scheduling against an agent's calendar
🟣 Unique to LLM Gateway
Features available in LLM Gateway but not in Chronary:
- ✓One OpenAI-compatible endpoint for 200+ models across 40+ providers
- ✓Real-time cost tracking and spend controls across every provider
- ✓Automatic provider routing plus custom routing rules
- ✓Prompt caching, guardrails and reliability failover
- ✓Bring-your-own-keys on the free tier
- ✓MCP server, AI SDK provider and a token cost calculator
Use Case Recommendations
Best for: Chronary
Chronary is calendar infrastructure built for AI agents rather than for people, which sounds like a narrow distinction until you look at what it changes. Agents need to create calendars, write events, and — the harder part — query availability across several agents at once to find a slot where all of them are free. Chronary exposes that as a REST API and an MCP server: one call creates an event on an agent's calendar and fires the iCal feed update and webhook fan-out; another takes a duration and a list of agent IDs and returns the open windows. It also bridges to the human side, syncing with Google and Microsoft calendars so an agent's schedule and a person's schedule are the same schedule, with optional publishing of agent events into human calendar apps and booking pages for inbound scheduling. The API surface includes scheduling proposals and temporal holds — the primitive an agent needs when it wants to reserve a slot while it negotiates rather than commit immediately — plus recurring event rules, per-agent API keys, audit logs and webhook retries. An official TypeScript SDK and Python examples ship alongside the raw HTTP interface. The product is in early access at time of writing, with the Pro tier free until general availability.
Ideal use cases:
- •Teams or individuals who need cross-agent availability queries — find a slot free for several agents at once
- •Teams or individuals who need scheduling proposals and temporal holds for agents that negotiate before committing
- •Teams or individuals who need google and microsoft calendar sync, plus ical feeds and webhook fan-out
- •Teams or individuals who need rest api and mcp server, with a typescript sdk
- •Anyone focused on mcp workflows
- •Anyone focused on api workflows
Best for: LLM Gateway
LLM Gateway is an open-source, OpenAI-compatible routing layer that puts one API in front of more than 200 models across 40-plus providers, including OpenAI, Anthropic and Google. The problem it solves is operational rather than intellectual: teams that use several providers end up juggling separate keys, separate dashboards, separate billing and separate SDK quirks, and switching provider for a given model means a code change. Pointing an existing OpenAI-compatible client at the gateway collapses that into one endpoint with real-time cost tracking across all of it. Around the core routing sit the features that make a gateway worth running in production — automatic provider selection and custom routing rules, budgets and spend controls, prompt caching, guardrails, reliability failover, and activity logs with exportable data. The commercial model is unusual and worth reading carefully: the free tier is free forever with all 200+ models available and bring-your-own-keys included, and the platform fee is 5% on credit usage rather than a monthly subscription, so cost scales with spend rather than seats. Metadata retention is free while full payload storage is billed at $0.01 per million tokens. Supporting surfaces include an MCP server, an AI SDK provider, a token cost calculator, model comparison and rankings pages, and the vendor states it is SOC 2 Type II certified.
Ideal use cases:
- •Teams or individuals who need one openai-compatible endpoint for 200+ models across 40+ providers
- •Teams or individuals who need real-time cost tracking and spend controls across every provider
- •Teams or individuals who need automatic provider routing plus custom routing rules
- •Teams or individuals who need prompt caching, guardrails and reliability failover
- •Anyone focused on llm-gateway workflows
- •Anyone focused on api workflows
🤖 Other AI Agent Infrastructure Tools to Consider
Chronary and LLM Gateway aren't the only options. Here are other popular tools in the same space:
SuperAGI
Open-source autonomous AI agent framework with visual dashboard — 14K GitHub stars
MetaGPT
Multi-agent AI framework simulating software teams — 45K GitHub stars, builds full apps from prompts
Cerebras
Fastest LLM inference powered by the Wafer Scale Engine.
Scale AI
AI data platform for training data and model evaluation.
Roboflow
End-to-end computer vision platform for developers.
Labelbox
Enterprise data labeling platform for ML training datasets.
Is one of these your tool?
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Frequently Asked Questions
Is Chronary better than LLM Gateway?
It depends on your needs. Chronary offers 6 key features including Cross-agent availability queries — find a slot free for several agents at once and Scheduling proposals and temporal holds for agents that negotiate before committing, while LLM Gateway provides 6 features including One OpenAI-compatible endpoint for 200+ models across 40+ providers and Real-time cost tracking and spend controls across every provider. Chronary uses a freemium model with a free tier, while LLM Gateway is freemium with free access available. Choose based on which features and pricing model align with your requirements.
Is Chronary cheaper than LLM Gateway?
LLM Gateway is cheaper, starting at $0.01/month compared to Chronary's $29/month. Both tools offer free tiers, so you can try each before committing. Always check the official websites for the most current pricing.
Can I use Chronary and LLM Gateway together?
Yes, many users combine Chronary and LLM Gateway in their workflow. Chronary excels at cross-agent availability queries — find a slot free for several agents at once, while LLM Gateway shines with one openai-compatible endpoint for 200+ models across 40+ providers. Using both allows you to leverage the strengths of each tool, though this means managing two subscriptions — though free tiers can help manage costs.
What's the main difference between Chronary and LLM Gateway?
While both are ai agent infrastructure tools, Chronary emphasizes cross-agent availability queries — find a slot free for several agents at once, whereas LLM Gateway is known for one openai-compatible endpoint for 200+ models across 40+ providers. The best choice depends on your specific workflow and feature priorities.
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