AISystem

Beam

Reflection’s open model reported to score 80.9 on SWE-bench Verified.

Sources

Attribution and reporting linked by this record; links do not imply independent verification.

Welcome to October 9, 2026 (theinnermostloop.substack.com)
Source linked by the October 9 issue (reflection.ai)

Reflection’s open model reported to score 80.9 on SWE-bench Verified. Reported in the October 9 newsletter; not independently verified.

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2026-10-09: Reflection’s open Beam reports a SWE-bench score

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Developed by

Reflection

Evaluated on

SWE-bench Verified

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Beam
Innermost Loop KB — secondary record
Reporting date: unknown
KB permalink: https://nicholsn.github.io/innermost-loop-kb/systems/beam
Attributed sources:
- Welcome to October 9, 2026 — https://theinnermostloop.substack.com/p/welcome-to-october-9-2026
- Source linked by the October 9 issue — https://reflection.ai/blog/introducing-beam
This citation does not imply independent verification of linked-source claims.

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