Inception: Mercury 3

inception/mercury-3

CHAT Light tier Reasoning Proprietary (API-only)

Inception: Mercury 3 (inception/mercury-3) is a chat model from openrouter with a 1M-token context window; proprietary (API-only); capabilities tools, reasoning; input text; output text.

1MContext

131.1KMax output

$0.1$ / 1M in

Pricing

Input: $0.1 / 1M tokens
Output: $0.35 / 1M tokens
Currency: USD
Note: Indicative US list price — verify with the vendor.

Indicative US list price — a reference only, verify with the vendor. Source: openrouter. Last verified 2026-10-30.

Specifications

Context window: 1,000,000 tokens (1M)
Max output: 131,072 tokens
Weights: Proprietary (API-only)
Input modalities: text
Output modalities: text
Release date: 2026-10-16

Capabilities

tools reasoning

Provenance

models-devopenrouter-api

Last verified: 2026-10-30

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