Wafer

ernd
erndWafer

10% back at Wafer

Wafer runs inference for open models like DeepSeek and Kimi.

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Backed by Y Combinator.

What Wafer does

Wafer offers serverless endpoints, plus dedicated endpoints for teams that want their own.

From wafer.ai

10% back

Wafer inference paid with the ernd card earns 10% back.

The rest of your card spend earns 4% back on AI and 1.5% on everything else.

What cardholders get

4% back on AI

The card earns 1.5% back on everything else.

No annual fee.

More on the card

Trace, Hopper and Agent 37 pay ernd for their listing.

Common questions

How do I get the Wafer benefit?
Pay Wafer with the ernd card. ernd is live for US companies. Request the card at app.ernd.ai.
How does Wafer compare with other card spend?
Wafer inference paid with the card earns 10% back. Other AI vendor spend earns 4% back, and everything else earns 1.5%.
What does Wafer do?
Wafer runs inference for open models like DeepSeek and Kimi. Wafer offers serverless endpoints, plus dedicated endpoints for teams that want their own.
How much inference does Wafer serve?
In OpenRouter’s public data, Wafer served 12.4 trillion open-weight tokens from October 29 to November 4, 2026, more than any other independent provider. The full table is in ernd’s report at ernd.ai/reports/open-weight-inference-november-2026.
What is the ernd card?
The credit card for the AI stack, for US companies that pay for AI. ernd is live for US companies.
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