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Inception lists Mercury 3 API rates and a temporary launch discount

Inception lists standard Mercury 3 API rates of $0.20 per million input tokens and $0.70 per million output tokens, plus a launch promotion at half those rates. It also advertises 90% off cached input tokens and a 100-million-token free offer whose eligibility needs confirmation. The announcement gives no promotion expiry, so discounted rates should not be treated as permanent.

Inception

Mercury 3 API

Pricing & Access

Published (date only)

Updated

1 source

Primary source · Inception · October 19, 2026

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