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 board | Results so far |
|---|---|
| LMArena | Arena 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
- –
- Output speed
- –
- First answer
- –
- Context
- –
- Full answer
- –
- Cost per task
- –
- Tokens per task
- –
- Released
- –
- date not published by our sources
- Coding63
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
| Benchmark | not stated | Source | Trend |
|---|---|---|---|
| Arena WebDev | 1613#34 | Arena (LMArena) |
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.