Inception: Mercury vs Solar Pro 3

Compare Inception: Mercury by Inception against Solar Pro 3 by Upstage, context windows of 32K vs 128K, tested across 37 shared challenges. Updated April 2026.

Which is better, Inception: Mercury or Solar Pro 3?

Inception: Mercury and Solar Pro 3 are both competitive models. Inception: Mercury costs $10/M input tokens vs $0/M for Solar Pro 3. Context windows: 32K vs 128K tokens. Compare their real outputs side by side below.

Key Differences Between Inception: Mercury and Solar Pro 3

Inception: Mercury is made by inception while Solar Pro 3 is from upstage. Inception: Mercury has a 32K token context window compared to Solar Pro 3's 128K. On pricing, Inception: Mercury costs $10/M input tokens vs $0/M for Solar Pro 3.

Our Verdict
Solar Pro 3
Solar Pro 3
Inception: Mercury
Inception: MercuryRunner-up

No community votes yet. On paper, Solar Pro 3 has the edge — bigger model tier, newer, bigger context window.

Slight edge
Writing DNA

Style Comparison

Similarity
99%

Solar Pro 3 uses 4.1x more emoji

Inception: Mercury
Solar Pro 3
55%Vocabulary50%
40wSentence Length21w
0.39Hedging0.42
4.9Bold6.5
3.8Lists2.2
0.04Emoji0.17
1.04Headings0.56
0.03Transitions0.12
Based on 17 + 18 text responses
vs

Ask them anything yourself

Inception: MercurySolar Pro 3

279 AI models invented the same fake scientist.

We read every word. 250 models. 2.14 million words. This is what we found.

AI Hallucination Index 2026
Free preview13 of 58 slides
FAQ

Common questions