Mercury 3 API: Pricing and Specs

Mercury 3 API

Mercury 3 is a large language model by Inception, available on the Venice API as mercury-3. Requests are anonymized, so the provider never sees your identity.Mercury 3 is Inception’s most capable diffusion-based reasoning model, generating over 1,000 tokens per second with a 1M-token context window, tunable reasoning, tool calling, and structured output support.

Mercury 3 API pricing

Model ID	Variant	Privacy	Price
`mercury-3`	Standard	Anonymized	$0.10 / $0.35 per 1M

Mercury 3 specifications

Spec	Value
Provider	Inception
Released	Oct 19, 2026
Privacy	Anonymized
Status	Stable
Context window	1M tokens
Max output	128K tokens
Reasoning effort	none, low, medium, high

How to use the Mercury 3 API

Send requests to POST https://api.venice.ai/api/v1/chat/completions with "model": "mercury-3" and your API key.

curl https://api.venice.ai/api/v1/chat/completions \
  -H "Authorization: Bearer $VENICE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "mercury-3",
    "messages": [{ "role": "user", "content": "Explain TEE attestation in two sentences." }],
    "reasoning_effort": "high"
  }'

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Mercury 3 API

Mercury 3 API pricing

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