As of Oct 21, 2026, Mercury 3 costs $0.10 per million input tokens and $0.35 per million output tokens from Inception. None of its 3 sellers is cheaper than Inception. No price change since Appndo started tracking it on Oct 20, 2026. Recent price changes
Where to buy it (3)
Sorted by your monthly estimate. Prices per million tokens. Inception also lists up to 131K output tokens per request.
InceptionOfficial
- Input / output
- $0.10 / $0.35
- Context
- 1M
- Per month
- $1.70
mercury-3
- Input / output
- $0.10 / $0.35
- Context
- 1M
- Per month
- $1.70
inception/mercury-3
- Input / output
- $0.10 / $0.35
- Context
- 1M
- Per month
- $1.70
mercury-3
Cloud and hosted sellers may add regional pricing, minimums or platform fees. Supports: Reasoning, Tool calling.
Similar models
Common questions
How much does the Mercury 3 API cost?
As of Oct 21, 2026, Mercury 3 costs $0.10 per million input tokens and $0.35 per million output tokens at Inception's official price. Cached input costs $0.01 per million tokens.
Where is Mercury 3 cheapest?
As of Oct 21, 2026, none of its 3 sellers charges less than Inception's official price.
What is the context length of Mercury 3?
Mercury 3 takes up to 1M tokens of context through Inception's API.
How does Mercury 3 compare with similar models?
Mercury 3 has no LMArena score yet. Other Inception models and their cheapest price per million input / output tokens: Mercury 2 ($0.25 / $0.75) and Mercury 2.5 ($0.20 / $0.75).