Free
$0 forever
5,000 requests/month · no card
- BYOK — provider bills you
- Full module pipeline trial
- Local mode (MIT)
- Agent setup prompts
Start free — no card. Pay per gateway request only when you outgrow the allowance. Your provider (Anthropic, OpenAI, Bedrock, Google) still bills inference directly; we never markup tokens.
This table compares published billing mechanics as of May 4, 2026. It avoids private enterprise terms and only uses public pricing/docs.
| Question | prxy.monster | OpenRouter | Portkey | Helicone | LiteLLM |
|---|---|---|---|---|---|
| Who bills provider inference on BYOK? | Your provider bills you directly. prxy does not settle or mark up BYOK inference. | OpenRouter says provider prices pass through; BYOK has a fee after the free monthly request allowance. | Published plans price recorded logs / requests and gateway features. | Published plans price subscription plus usage-based requests/storage. | Self-hosted OSS: you run it and pay providers directly. |
| Hosted billing unit | Gateway requests. | Model token prices / credits. | Recorded logs / requests. | Requests, storage, and plan tier. | OSS self-host; hosted/enterprise terms are separate. |
| Provider-token markup on prxy-style BYOK? | No. There is no provider-token line item from prxy. | No inference markup per FAQ; BYOK after 1M requests/month has a 5% fee tied to OpenRouter-equivalent model cost. | No public provider-token markup claim found; plan is not priced as prxy-style request-only BYOK. | No public provider-token markup claim found; plan includes usage-based gateway/observability costs. | No hosted markup in OSS mode. |
| Agent-coding modules | MCP Optimizer, Compaction Bridge, Semantic Cache, Cost Guard, Patterns, IPC. | Gateway/model access focus. | Gateway, observability, guardrails, caching. | Gateway and observability focus. | Unified proxy, routing, spend tracking, guardrails. |
| Public payment ledger | receipts.prxy.monster for settled agent-commerce receipts. | Not a public ledger. | Not a public ledger. | Not a public ledger. | N/A. |
Sources: OpenRouter FAQ, OpenRouter pricing, Portkey pricing, Helicone pricing, LiteLLM GitHub.
Pay-per-use by default. Subscriptions are optional volume packs for teams — not required to ship.
Free
$0 forever
5,000 requests/month · no card
Pay as you go
¢ per request
Top up credits in Lair after free tier
Pro volume
$20 / month optional
100,000 requests/month · $0.20 per 1k overage
Team
$99 / month
1,000,000 requests/month · $0.10 per 1k overage
For API-key BYOK, prxy bills gateway requests and your provider bills tokens directly. For managed MPP, direct settled calls are $0.50 and funded sessions provide an effective $0.05 per call; both include gateway execution and upstream inference.
The public receipt ledger is agent-readable infrastructure for settled MPP and merchant calls. It is not a substitute for your private provider invoice.
Public ledger
Itemized receipt surface for agent commerce.
Open receipts