Google

Gemini 3.5 Flash

Released 18 days ago · May 19 2026

Benchmarks

13 tracked

Agentic coding

SWE-Bench Pro

55.1%+5.5%vs Gemini 3.0 Flash

Agentic terminal coding

Terminal-Bench 2.1

76.2%+18.2%vs Gemini 3.0 Flash

Multi-step tool use

MCP Atlas

83.6%+21.6%vs Gemini 3.0 Flash

General tool use

Toolathlon

56.5%+7.1%vs Gemini 3.0 Flash

Multidisciplinary reasoning

Humanity's Last Exam

40.2%+6.5%vs Gemini 3.0 Flash

no tools

Abstract reasoning

ARC-AGI-2

72.1%+38.5%vs Gemini 3.0 Flash

Agentic computer use

OSWorld-Verified

78.4%+13.3%vs Gemini 3.0 Flash

Agentic financial analysis

Finance Agent v2

57.9%+15.3%vs Gemini 3.0 Flash

Knowledge work

GDPval-AA

1656+452vs Gemini 3.0 Flash

Chart reasoning

CharXiv Reasoning

84.2%+3.9%vs Gemini 3.0 Flash

Multimodal reasoning

MMMU-Pro

83.6%+2.4%vs Gemini 3.0 Flash

Spatial reasoning

Blueprint-Bench 2

33.6%+33.6%vs Gemini 3.0 Flash

Long context

MRCR v2 (8-needle)

77.3%+10.1%vs Gemini 3.0 Flash

128k average

26.6%+4.5%vs Gemini 3.0 Flash

1M pointwise

About Gemini 3.5 Flash

Gemini 3.5 Flash is an AI model released by Google on May 19 2026, the same day as Gemini Omni. Benchmark results (shown above) cover SWE-Bench Pro, Terminal-Bench 2.1, MCP Atlas, Toolathlon, Humanity's Last Exam, ARC-AGI-2, and 7 more.

About Google: Builds the Gemini family of models through Google DeepMind. Integrates AI across Google products.

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