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Mercury (source-unspecified release)

Inception Labs

Mercury is a benchmark-entry representation of observations that identify only Inception's mercury service or OpenRouter's inception/mercury route. Inception released an initial general-chat model and later replaced it with a more powerful Mercury using more parameters, broader training data, and a changed denoiser architecture. The attached sources do not identify an immutable checkpoint, so these observations are kept separate from the documented initial and refreshed releases and carry no checkpoint-specific release date or context limit.

Benchmark scores

BenchmarkScore
Arena Text — Business, Management & Financial Ops (No Style Control)1290
Arena Text — Creative Writing (No Style Control)1189
Arena Text — English (No Style Control)1301
Arena Text — Entertainment, Sports & Media (No Style Control)1214
Arena Text — Exclude Ties (No Style Control)1212
Arena Text — Exclude Ties (Style Controlled)1245
Arena Text — Hard Prompts (No Style Control)1285
Arena Text — Hard Prompts English (No Style Control)1309
Arena Text — Instruction Following (No Style Control)1240
Arena Text — Life, Physical & Social Science (No Style Control)1300
Arena Text — Longer Query (No Style Control)1264
Arena Text — Multi-turn (No Style Control)1282
Arena Text — Non-English (No Style Control)1259
Arena Text — Non-English (Style Controlled)1286
Arena Text — Software & IT Services (No Style Control)1320
Arena Text — Writing, Literature & Language (No Style Control)1229
Arena Text Overall — 25% Factuality1304
LMArena Text Arena Coding Elo1365
LMArena Text Arena Creative Writing Elo1220
LMArena Text Arena Elo1306
LMArena Text Arena English Elo1322
LMArena Text Arena Hard Prompts Elo1319
LMArena Text Arena Hard Prompts English Elo1337
LMArena Text Arena Industry: Writing, Literature & Language Elo1260
LMArena Text Arena Instruction Following Elo1271
LMArena Text Arena Longer Query Elo1297
LMArena Text Arena Multi-turn Elo1299
LMArena Text Arena Occupational Business, Management & Financial Ops Elo1322
LMArena Text Arena Occupational Entertainment, Sports, and Media Elo1245
LMArena Text Arena Occupational Life, Physical, and Social Science Elo1333
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