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Bard vs Kimi K2.5

0 vs 2 benchmarks won

Google
Bard
Moonshot AI
Kimi K2.5
Overview
CompanyGoogleMoonshot AI
Release dateMar 21 2023Jan 27 2026
Model type
Open sourceNoYes
Specifications
Parameters
1T
Context window
256k
Benchmarks
Science reasoning
GPQA Diamond
87.6%
Software engineering
SWE-Bench Verified
76.8%
Multimodal understanding
MMMU
Timeline
Release gapBard shipped 1043 days before Kimi K2.5

Which is better: Bard or Kimi K2.5?

Kimi K2.5 leads Bard on 2 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). Bard shipped 1043 days before Kimi K2.5, so benchmark comparisons should account for the intervening progress.

Kimi K2.5 is an open-source / open-weight model; Bard is proprietary.

Direct benchmark comparisons are unavailable — at least one of these models has not published scores on GPQA Diamond, SWE-Bench Verified, or MMMU.

Frequently asked questions

When was Bard released?
Bard was released by Google on Mar 21 2023.
When was Kimi K2.5 released?
Kimi K2.5 was released by Moonshot AI on Jan 27 2026.
Is Bard or Kimi K2.5 open source?
Kimi K2.5 is an open-source / open-weight model released by Moonshot AI. Bard is a proprietary model released by Google.

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