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Beam 1.0 vs Hy3

SpecBeam 1.0Hy3
Respan Index39.6 (#61)39.5 (#63)
Blended price per 1M$0.438$0.231
Context window1.0M256K
Input / output per 1M$0.25 / $1$0.132 / $0.528
Max output131K-
Inputtexttext
Released2026-10-162026-07-06

Respan Index by category

Each category is scored 0 to 100, and how far ahead the winner is. Leads under a point are close to even.

CategoryBeam 1.0Hy3
Coding17.1 Beam 1.016.3 Hy3
Agents56.7 Beam 1.051.3 Hy3
Reasoning39.4 Beam 1.043.3 Hy3
Knowledge & language35.4* Beam 1.037.7* Hy3
Human preference51.6 Beam 1.053.4 Hy3

* Estimated: no published scores in that category. How the Respan Index works

Benchmarks both report

Beam 1.0 leads on 4 of the 6 benchmarks both report. Higher is better. Each score links to where it was published.

BenchmarkBeam 1.0Hy3
LMArena Agent (LMArena)-0.0493-0.0732
LMArena Elo14361455
LMArena WebDev (LMArena)14361505
AA-LCR78.2%73.4%
GPQA Diamond90.6%90.4%
MCP Atlas80.8%79.1%

FAQ

Is Beam 1.0 better than Hy3?

Beam 1.0 scores 39.6 on the Respan Index (#61), ahead of Hy3 at 39.5 (#63). Beam 1.0 leads on 4 of the 6 benchmarks both report.

Which is cheaper, Beam 1.0 or Hy3?

Beam 1.0 lists at $0.25 input and $1 output per 1M tokens; Hy3 at $0.132 and $0.528. Hy3 is 1.9x cheaper per token at list price.

Which has the larger context window?

Beam 1.0 accepts 1.0M tokens and Hy3 256K tokens.

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