Models / Mercury Decide

Inception

Mercury Decide

Early evidence, 10 results from 1 source, on 1 use case. Mercury Decide is best for speed under pressure; it is not on sale through OpenRouter, so it is here for reference.

Compared with the models available today (it is not on sale itself), in the top quarter (by percentile) for speed under pressure.

Results as of 8 October 2026, from 10 results on 1 source; prices checked 8 Oct 2026.

Price per million tokens
Not available through OpenRouter
Speed
No speed yet
Not timed: Artificial Analysis, our source for speed, has not tested it
Intelligence Index
Not measured
Artificial Analysis has not scored it
Spring Prompt overall
Not ranked yet
needs our benchmarks and two groups of results
Developer
Inception, based in the US
Weights not published
Released
Not recorded
no launch date in our tracker or our sources

How good is it, and for what?

Each use case ranks the available models its benchmarks measured. The bar shows its percentile in that field, best to the right. Open a row for the results behind it.

Product listingsTurning a sparse product feed and photos into listings that can go live Not measured
  • CatalogBench: has not measured this model.
Decks from an analysisTurning a finished analysis into a deck you could present as it is Not measured
  • DeckBench: has not measured this model.
User surveysPlanning a user survey and reading its results without being misled Not measured
  • SurveyBench: has not measured this model.
Marketing planningPlanning a year of ad spend without overspending Not measured
  • ROASBench: has not measured this model.
Agents and tool useMulti-step tasks with tools: support desks, coding agents, function calls Not measured
  • tau2-bench: has not measured this model.
  • Berkeley Function Calling Leaderboard (BFCL) V4: has not measured this model.
  • OpenHands Index: has not measured this model.
  • Microsoft STATE-Bench: has not measured this model.
  • Artificial Analysis: has not measured this model.
  • Vending-Bench 2: has not measured this model.
Professional workReal tasks from banking, consulting and law, business documents and freelance projects Not measured
  • APEX-Agents: has not measured this model.
  • GDP.pdf: has not measured this model.
  • Remote Labor Index: has not measured this model.
Reasoning and knowledgeHard questions across science, maths and general knowledge Not measured
  • Artificial Analysis: has not measured this model.
WritingWhat people prefer in blind comparisons, and judged writing quality Not measured
  • Arena (formerly LMArena): has not measured this model.
  • UGI Leaderboard: has not measured this model.
Sticking to the factsSummarising without inventing things, and factual answers Not measured
  • Vectara Hallucination Leaderboard: has not measured this model.
  • Arena (formerly LMArena): has not measured this model.
  • SimpleQA Verified (Epoch AI): has not measured this model.
Speed under pressureGood decisions against a real clock (fast chess) 4th of 23 available
BenchmarkMercury DecideRank among availableBest available
BulletBenchBulletBench Lightning 10+1: ladder Elo 614 4th of 15 Gemini 3.5 Flash-Lite 892
BulletBenchBulletBench Bullet 60s: ladder Elo 572 6th of 21 Gemini 3.8 Flash 1,068

Nearest alternatives

  • The most capable open-weights modelMiMo-V2.6-Pro$0.54 blended · Intelligence Index 46.3

Against Mercury Decide. "Similar intelligence" means within 4 points or better.

Against the alternatives

The models you would most likely weigh it against: the leaders of the groups above.

Scroll sideways to see every alternative.

Mercury DecideClaude Opus 5.5
leads overall		GPT-6.1 Sol
near the top overall		GPT-6 Astra
near the top overall		GPT-6 Sol
near the top overall
Price per million tokens – $8.00$4.00$20.00$4.00
Tokens a second – 975552–
Intelligence Index – 57.651.852.747.6
Spring Prompt overall – 85817969
Rank among available models, by use case
Product listings – 6th2nd1st3rd
Decks from an analysis – 5th3rd1st2nd
User surveys – 2nd1st––
Marketing planning – 5th–1st2nd
Agents and tool use – 2nd3rd4th5th
Professional work – 3rd9th5th13th
Reasoning and knowledge – 1st5th3rd11th
Writing – 4th15th19th51st
Sticking to the facts – 2nd18th24th49th
Speed under pressure 4th of 23 ––15th11th

Shaded figures are better than Mercury Decide's. A dash means no result.

Where it has been measured

Every result

10 published results from 1 source, each in the source's own units, with the configuration that produced it.

BulletBench · measured by Spring Prompt · 10 results
MeasureValueRankConfigurationDated
BulletBench Bullet 60s: cost per gameUS dollars, lower is better $0 1 of 31 Mercury Decide
provider default reasoning		 7 Oct 2026
BulletBench Bullet 60s: games lost on time% of games, lower is better 0.0% 1 of 31 Mercury Decide
provider default reasoning		 7 Oct 2026
BulletBench Bullet 60s: invalid moves% of moves, lower is better 0.0% 1 of 31 Mercury Decide
provider default reasoning		 7 Oct 2026
BulletBench Bullet 60s: ladder Eloladder Elo, higher is better 572
428–717		 7 of 31 Mercury Decide
provider default reasoning		 7 Oct 2026
BulletBench Bullet 60s: median move timemilliseconds, lower is better 0.4 s 2 of 31 Mercury Decide
provider default reasoning		 7 Oct 2026
BulletBench Lightning 10+1: cost per gameUS dollars, lower is better $0 1 of 23 Mercury Decide
provider default reasoning		 7 Oct 2026
BulletBench Lightning 10+1: games lost on time% of games, lower is better 0.0% 1 of 23 Mercury Decide
provider default reasoning		 7 Oct 2026
BulletBench Lightning 10+1: invalid moves% of moves, lower is better 0.0% 1 of 23 Mercury Decide
provider default reasoning		 7 Oct 2026
BulletBench Lightning 10+1: ladder Eloladder Elo, higher is better 614
470–766		 4 of 23 Mercury Decide
provider default reasoning		 7 Oct 2026
BulletBench Lightning 10+1: median move timemilliseconds, lower is better 0.4 s 2 of 23 Mercury Decide
provider default reasoning		 7 Oct 2026

Not shown: Not your cost: prices are those charged on the run date.