Gemini 3.5 Flash

Google DeepMind · Closed weights · Released May 19, 2026 · $1.50 in · $9 out per 1M tokens

52Overall · rank 16

Score by job

55 · rank 19 · 3 of 5 benchmarks

Benchmark	Result	Variant	z
DeepSWE	37.4%	gemini-3.5-flash_medium	-1.26
SWE-bench Verified	79.3%	gemini-3.5-flash_high	0.90
LMArena Coding	1491 rating	gemini-3.5-flash-high	0.01

Not enough data · 1 of 4 benchmarks

Benchmark	Result	Variant	z
APEX-Agents	27.5%	gemini-3.5-flash_unknown	-2.36

69 · rank 12 · 3 of 4 benchmarks

Benchmark	Result	Variant	z
GPQA Diamond	92.8%	gemini-3.5-flash_high	0.50
ARC-AGI-2	72.1%	gemini-3.5-flash_high	0.37
SimpleBench	76.7%	gemini-3.5-flash_unknown	1.13

41 · rank 20 · 5 of 5 benchmarks

Benchmark	Result	Variant	z
FrontierMath Tiers 1–3	62.8%	gemini-3.5-flash_high	-0.36
FrontierMath Tier 4	26.8%	gemini-3.5-flash_high	-0.59
OTIS Mock AIME	95.6%	gemini-3.5-flash_high	-0.00
ProofBench	31.0%	gemini-3.5-flash_high	-0.66
LMArena Math	1505 rating	gemini-3.5-flash-high	0.92

68 · rank 12 · 2 of 2 benchmarks

Benchmark	Result	Variant	z
LMArena Creative Writing	1469 rating	gemini-3.5-flash-high	0.53
LMArena Instruction Following	1466 rating	gemini-3.5-flash-high	0.05

28 · rank 35 · 1 of 1 benchmarks

Benchmark	Result	Variant	z
LMArena WebDev	1500 rating	gemini-3.5-flash-high	-0.57