Compare GPT-5.1 by OpenAI against Inception: Mercury by Inception, context windows of 400K vs 32K, tested across 49 shared challenges. Updated April 2026.
GPT-5.1 and Inception: Mercury are both competitive models. GPT-5.1 costs $1.25/M input tokens vs $10/M for Inception: Mercury. Context windows: 400K vs 32K tokens. Compare their real outputs side by side below.
GPT-5.1 is made by openai while Inception: Mercury is from inception. GPT-5.1 has a 400K token context window compared to Inception: Mercury's 32K. On pricing, GPT-5.1 costs $1.25/M input tokens vs $10/M for Inception: Mercury.
44 fights queued
Tests an AI's ability to understand game rules and strategy
Tests an AI's ability to solve a simple but potentially confusing logic puzzle
Tests an AI's randomness and creativity
Tests an AI's ability to generate vector graphics
Tests an AI's ability to create detailed SVG illustrations of gaming hardware
Tests an AI's humor and creative writing ability
Tests an AI's ability to simulate personalities and predict future trends
Tests an AI's humor and understanding of current events
Tests an AI's ability to write in distinct character voices
Tests an AI's ability to generate a complete, working landing page
Recreate an interactive, nostalgic Pokémon battle UI in a single HTML file.
Recreate an interactive, classic Mario level in a single HTML file.
32+ more head-to-head results. Free. Not a trick.
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No community votes yet. On paper, GPT-5.1 has the edge — bigger model tier, newer, bigger context window, major provider backing.
Inception: Mercury uses 4.3x more emoji
Ask them anything yourself
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178 models fingerprinted across 32 writing dimensions. Free research.
185x
price gap between models that write identically
178
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12
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32
dimensions
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.
