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Balanced — strong quality at a mid priceCommercial API
Mercury 3 Pricing
Inception · inception-mercury-3
Input / 1M tokens
$0.100
Output / 1M tokens
$0.350
Context window
1M tokens
≈ 1,333 pages of text
Max output
131,072 tokens
What it costs in practice
Typical request (1,200 in + 400 out tokens)$0.0003
1,000 requests / month$0.26/mo10,000 requests / month$2.60/mo100,000 requests / month$26.00/moEstimate your own workloadOpens the calculator with Mercury 3 preloaded — adjust volume and token counts there.
Price history
Only one price point recorded so far.
The staircase chart appears once a price change is detected.
What it excels at
Supports long-context workloads up to 1M tokens at very low input and output pricing.
The business tradeoff
Unknown provider implies limited ecosystem tooling, integration examples, and uncertain long-term output consistency.
Cheaper from Inception
Head-to-head
Vendor list rates, as of Oct 19, 2026 · source: openrouter · per-request examples assume 1,200 input + 400 output tokens.