Reflection

Beam 1.0 501B A23B

Sparse mixture-of-experts reasoning model with 23B active parameters for coding and agentic workflows

reflection/beam-1.0-501b-a23b

Context

1M

Output

131.1K

Released

2026-10-05

Knowledge cutoff

2026-06-30

Types

InputText
OutputText

Reasoning

Supported

Tool use

Supported

Structured output

Supported

Attachments

—

Open weights

Supported

Provider pricing

Kilo Gateway
InText
OutText
Price
$0.25 / $1.00
Context
1M
Status
Stable
OpenRouter
InText
OutText
Price
$1.00 / $3.00
Context
1M
Status
Stable

Benchmarks

  • DeepSWE

    43.3

  • SWE-Bench Pro

    76.5

  • SWE-Bench Pro

    66.1

  • Terminal-Bench

    80.1

  • SWE-Atlas Codebase QnA

    31.8

  • SWE-Bench Multilingual

    78.3

  • SWE-Bench Verified

    81.6

  • AIME 2026

    97.7

  • Humanity's Last Exam

    36

  • Humanity's Last Exam

    51.1

  • SciCode

    49.2

  • CritPt

    16.3

  • GPQA Diamond

    90.6

  • LiveCodeBench

    88.3

  • AutomationBench

    39.3

  • MCP Atlas

    80.8

  • τ3 Banking

    36.1

  • BrowseComp

    76.8

  • DeepSearchQA

    80.5

  • AA-LCR

    78.2

  • LongBench

    67.5

  • IFBench

    79.6

  • AA-Omniscience

    10.8 · index