Beam 1.0

Beam 1.0 is a Reflection open-weights reasoning model, released 16 Oct 2026. Its best configuration ranks #246 of 775 on the BenchLeader Index at 54.6 ±8.6, in the upper half. The ± is the point: 423 other configurations score within that range, so they and this one cannot be told apart on quality alone — price and speed are what separate them. It scores highest in long context (64) and lowest in agents & tools (43). At $1.05 per million tokens blended it is pricier than most ranked models. Output speed of 345 tokens per second puts it in the fastest quarter, with a first answer in 6.6 s. It has been measured at 5 reasoning-effort settings; this summary describes the best-scoring one, and the tabs above switch between them. Last measured 16 Oct 2026.

Blended price

$1.05/M

$0.700 in · $2.10 out

Output speed

345 tok/s

measured by Artificial Analysis

First answer

6.58 s

Context

1.0M

Full answer

8.03 s

median, reasoning included

Cost per run

$0.566

one full Intelligence Index run

Released

16 Oct 2026