BenchLeader
UnisoundNewFirst seen 11 Nov 2026 on one source; awaiting a secondCompare with another model

U2 Flash

Launch tracker · day 3

U2 Flash at launch: the first independent results

As of 13 Nov 2026, U2 Flash (Unisound, first listed 11 Nov 2026) has independent results from LMArena (Arena WebDev 1613). It has no BenchLeader Index yet: the Index needs at least five independent results across two categories. Not yet measured by Artificial Analysis, Epoch AI, Vals AI, LiveBench, ARC Prize, Scale AI and SWE-bench.

First listed
11 Nov 2026 (day 3)
Provider
Unisound
Price
Not listed yet
Context window
Not listed yet
Open weights
Not stated
BenchLeader Index
Not yet (needs five results in two categories)
Independent boardResults so far
LMArenaArena WebDev 1613

Boards usually post results within days of a launch; this page is rebuilt every six hours.

Scores from independent publishers only; benchmark figures a provider publishes about its own model are not shown.

As of 13 Nov 2026, U2 Flash by Unisound is not yet ranked on the BenchLeader Index, which needs at least five independent results across two categories.

In detail. U2 Flash is an Unisound model. It is not yet ranked: the index needs at least five independent results across two categories. Last measured 11 Nov 2026.

Blended price
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Output speed
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First answer
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Context
–
Full answer
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Cost per task
–
Tokens per task
–
Released
–
date not published by our sources
How it scores by categoryDashed line = average model (50). One step of 15 = one standard deviation.
  1. Coding63

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Benchmark results

See all LLM benchmarks. One column per reasoning effort. Rank is among every configuration of every model on that benchmark. Hover a score for the run it came from.

Coding

Benchmarknot statedSourceTrend
Arena WebDev1613#34Arena (LMArena)

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See also

Questions people ask

Why does U2 Flash have no BenchLeader Index score?
The index needs at least five independent results across at least two categories, and as of 13 Nov 2026 U2 Flash does not have them yet. Launch-post scores are never used, so it is ranked once independent publishers have measured it.

Data as of 13 Nov 2026. Compare with another model.

Cite as: BenchLeader, “U2 Flash: benchmarks, pricing, speed and rank”, data as of 13 Nov 2026, https://www.benchleader.com/models/u2-flash.