Every model,
at market price.
Mercato buys inference on the open market and passes it on at cost. One key for Claude, GPT, Gemini and 130 models, and $MERCATO holders pay even less.
List price
$20.00
Mercato today
$7.97
Pool resets in --:--:--. Discounts follow how much of today's pool is left.
Every leading model, one key
Bought on the open market
Sellers list spare model capacity below list price. Every request goes to the cheapest trusted offer, and you pay exactly what it charged. No margin on top.
- 119 of 130 models below list price right now
- Trusted sellers only, with automatic fallback
- The model you ask for, never a substitute model id
$ curl https://api.mercatocoin.com/v1/chat/completions \ -H "Authorization: Bearer $MERCATO_API_KEY" \ -d '{"model":"anthropic/claude-sonnet-5.5","messages":[…]}' ✓ 200 OK · 812ms · served by a trusted seller x-mercato-list-cost 0.016000 x-mercato-market-cost 0.004610 x-mercato-discount 0.6000 x-mercato-charged 0.001844
One base URL. Every model.
Point the OpenAI or Anthropic SDK at Mercato and keep your code. Every response tells you what it would have cost at list, what the market charged and what you paid.
OpenAI compatible
Chat completions with streaming and tools.
Anthropic compatible
Messages API, so Claude Code just works.
Fallback built in
A failing seller is skipped before the first token.
Billing on every call
x-mercato-* headers with cost and discount.
Every trade makes AI cheaper
1.2% of every $MERCATO trade fills tomorrow's pool. The pool pays your tier's share of each request, your balance pays the rest, and sellers are paid at cost.
- 0% of fees kept
- 0% margin on inference
- 0% from sellers
In · trading fees
1.2% of every trade
Paid in ETH to the treasury
In · top-ups
Your ETH or USDG
Credited in USD
Daily pool
Pays your tier's share. Resets 00:00 UTC.
Your balance
Pays the rest. Only your keys spend it.
Each request, at cost
Out · sellers
Cheapest trusted offer, paid at cost
Out · fallback
OpenRouter when no seller serves it
Your key, your balance, your tier
Sign in with your wallet, copy a key, top up in ETH or USDG. Watch every request's price against list, live.
Overview
Spend, savings and your tier in real time.
Balance
$48.20
+$25.00 today
Saved vs list
$311.07
−78.4% this month
Tier
Core
−60% cap · priority
Playground
Try any model and see what each reply cost at list and what you paid.
Keys and usage
One discounted key per wallet, usage per key, revoke in one click.
Holder tier
Read live from your wallet. Buy or sell, and your tier follows within a minute.
Real prices, read every minute
Straight from the open market and the chain. Nothing here is a projection.
130
Models, one key
10,333
Trusted seller offers
−94%
Median price vs list
—
Left in today's pool
Pay what the market charges
The cheapest trusted offer for each model, and what you pay after your holder discount at today's pool.
Per 1M output tokens, live from the trusted sellers on the open market.
| Model | List | Market | You pay · Core | Saving |
|---|---|---|---|---|
| DeepSeek V4.1 FlashDeepSeek | $0.375 | $0.00660 | $0.00660 | −98.2% |
| DeepSeek V3.2DeepSeek | $0.420 | $0.00391 | $0.00391 | −99.1% |
| GLM 5.3Z.ai | $1.40 | $0.00961 | $0.00961 | −99.3% |
| GPT-5.6 LunaOpenAI | $1.20 | $0.0121 | $0.0121 | −99.0% |
| GLM 5.3 FlashZ.ai | $0.199 | $0.00514 | $0.00514 | −97.4% |
| GPT-6 LunaOpenAI | $0.500 | $0.0985 | $0.0985 | −80.3% |
| DeepSeek V4.1 Flash 1017DeepSeek | $0.600 | $0.0480 | $0.0480 | −92.0% |
| Gemini 3.1 Flash LiteGoogle | $1.50 | $0.0149 | $0.0149 | −99.0% |
Hold more, pay less
Your tier comes from the share of $MERCATO in the wallet behind your key. No staking, no lock-up. No token? Every model is still at market price.
Ascent
≥ 0.05% of supply
−10%cap
−0% at today's pool
What's included
- Up to 10% off every model
- Daily subsidy up to $2
- All 130 models
Orbit
≥ 0.1% of supply
−30%cap
−0% at today's pool
What's included
- Up to 30% off every model
- Daily subsidy up to $5
- Higher rate limit
Core
≥ 0.5% of supply
−60%cap
−0% at today's pool
What's included
- Up to 60% off every model
- Daily subsidy up to $10
- Priority routing
Singularity
≥ 1.0% of supply
−80%cap
−0% at today's pool
What's included
- Up to 80% off every model
- Daily subsidy up to $25
- $1 of free usage every day
Estimate it. Then pay exactly that.
Pick a model, a monthly volume and a tier. The invoice uses the same math as the router: market price first, then your tier's share from the pool, within its daily cap.
- Billed per request, in USD
- Prepaid balance, no card, no surprises
- Pro models above $50 per 1M kept out of fallback
List price
$2.00 in · $10.00 out
$200.00
Market price
13 trusted sellers
$131.58
Pool · Core
−0% at today's pool · max $10/day
$0.00
You pay
34.2% less than list
$131.58
Estimate with a 3:1 input to output mix at today's market and pool. Real bills follow each request.
Frequently asked questions
Short answers to what people ask most. The docs have the full mechanics.
What is Mercato?
Where does the discount come from?
Do I need to hold $MERCATO?
Who serves my requests?
Which SDKs and tools work?
How do I pay?
Is my data stored?
What happens when trading volume drops?
Every model. One key. Cheaper every trade.
Swap one base URL and let the open market, and $MERCATO volume, pay part of your bill.