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Inception

Mercury 2

  • Released
  • Closed weights
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Intelligence Index

High setting

13.8
Estimated · Artificial Analysis v4.3.2
API price from
$0.25 in / $0.75 out / 1M tokOpenRouter · Inception
Context window
128K tok

Performance profile

ReasoningArchived source
77.0%
GPQA Diamond
CodingArchived source
37.7%
SciCode

Capabilities

Context window

Modalities

Measured setting

Integration

Reasoning trade-offs

Source (opens in a new tab)
Intelligence Index v4.3.2
HighEstimated
Intelligence Index
13.8

Pricing & access

API route
OpenRouter · InceptionAPI
Tier & contextStandard

USD per 1M tokens

Input
$0.25
Output
$0.75
Cached input
$0.025

Benchmarks

Full leaderboardSource (opens in a new tab)

Humanity’s Last Exam

Frontier reasoning

Mercury 2 · HighArchived

  1. 1Claude Opus 5.5Max61.4%
  2. 2Claude Fable 5.1Max59.1%
  3. 3Gemini 4 ArgonHigh57.1%
  4. 4Claude Sonnet 5.5Max55.0%
  5. 5GPT-6 AstraMax54.7%
  6. 6Muse Wonder FullMax53.6%
  7. 7GPT-6.1 SolMax52.9%
  8. 8Muse WonderMax50.1%
  9. 9MiMo-V2.6-ProReasoning49.4%
  10. 10Muse Spark 1.3Max48.7%

Peers use their best measured result on this benchmark.