name = "Gemini 3.5 Flash"
description = "Fast Gemini model balancing multimodal reasoning, tool use, and cost"
family = "gemini-flash"
release_date = "2026-05-19"
last_updated = "2026-05-19"
attachment = true
reasoning = true
temperature = true
tool_call = true
structured_output = true
knowledge = "2025-01"
open_weights = false

[limit]
context = 1_048_576
output = 65_536

[modalities]
input = ["text", "image", "video", "audio", "pdf"]
output = ["text"]

[[benchmarks]]
name = "Terminal-Bench"
score = 76.2
metric = "success rate"
harness = "Terminus-2"
version = "2.1"
source = "https://deepmind.google/models/gemini/flash/"
date = "2026-05-19"

[[benchmarks]]
name = "SWE-Bench Pro"
score = 55.1
metric = "resolve rate"
variant = "single attempt"
dataset = "public"
source = "https://deepmind.google/models/gemini/flash/"
date = "2026-05-19"

[[benchmarks]]
name = "MCP Atlas"
score = 83.6
metric = "success rate"
source = "https://deepmind.google/models/gemini/flash/"
date = "2026-05-19"

[[benchmarks]]
name = "Toolathlon"
score = 56.5
metric = "success rate"
source = "https://deepmind.google/models/gemini/flash/"
date = "2026-05-19"

[[benchmarks]]
name = "OSWorld-Verified"
score = 78.4
metric = "success rate"
source = "https://deepmind.google/models/gemini/flash/"
date = "2026-05-19"

[[benchmarks]]
name = "MMMU Pro"
score = 83.6
metric = "accuracy"
variant = "no tools"
source = "https://deepmind.google/models/gemini/flash/"
date = "2026-05-19"

[[benchmarks]]
name = "CharXiv Reasoning"
score = 84.2
metric = "accuracy"
variant = "no tools"
source = "https://deepmind.google/models/gemini/flash/"
date = "2026-05-19"

[[benchmarks]]
name = "Humanity's Last Exam"
score = 40.2
metric = "accuracy"
dataset = "full set, text + MM"
source = "https://deepmind.google/models/gemini/flash/"
date = "2026-05-19"

[[benchmarks]]
name = "ARC-AGI-2"
score = 72.1
metric = "accuracy"
source = "https://deepmind.google/models/gemini/flash/"
date = "2026-05-19"

[[benchmarks]]
name = "GDPval-AA"
score = 1656
metric = "Elo"
source = "https://deepmind.google/models/gemini/flash/"
date = "2026-05-19"