GPT-3.5 Turbo vs Inception: Mercury

Compare GPT-3.5 Turbo by OpenAI against Inception: Mercury by Inception, context windows of 16K vs 32K, tested across 22 shared challenges. Updated April 2026.

Which is better, GPT-3.5 Turbo or Inception: Mercury?

GPT-3.5 Turbo and Inception: Mercury are both competitive models. GPT-3.5 Turbo costs $1.5/M input tokens vs $10/M for Inception: Mercury. Context windows: 16K vs 32K tokens. Compare their real outputs side by side below.

Key Differences Between GPT-3.5 Turbo and Inception: Mercury

GPT-3.5 Turbo is made by openai while Inception: Mercury is from inception. GPT-3.5 Turbo has a 16K token context window compared to Inception: Mercury's 32K. On pricing, GPT-3.5 Turbo costs $1.5/M input tokens vs $10/M for Inception: Mercury.

Our Verdict
GPT-3.5 Turbo
GPT-3.5 Turbo
Inception: Mercury
Inception: Mercury

No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.

GPT-3.5 Turbo is 5.0x cheaper per token — worth considering if cost matters.

Too close to call
Writing DNA

Style Comparison

Similarity
64%

Inception: Mercury uses 489.0x more bold

GPT-3.5 Turbo
Inception: Mercury
61%Vocabulary55%
16wSentence Length40w
0.23Hedging0.39
0.0Bold4.9
3.7Lists3.8
0.00Emoji0.04
0.00Headings1.04
0.38Transitions0.03
Based on 11 + 17 text responses
vs

Ask them anything yourself

GPT-3.5 TurboInception: Mercury

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