Google DeepMindproprietary
Released: 2026-09-02

Gemini 3.8 Flash

Gemini 3.8 Flash is Google's most intelligent Flash model with significant gains from 3.7 Flash across software engineering, agentic tasks, and multi-step reasoning.

Intelligence Index
88.5/ 100
Calibrated multi-domain composite
Throughput Speed
85tok/sec
Output streaming throughput
Time To First Token
280ms
Initial chunk server latency
LiveBench Contam-Free
77.9%
September 2026 suite score

LiveBench Multi-Domain Evaluation Breakdown

Monthly refreshed contamination-free test sets
Logical Reasoning81.4%
Coding & Repo Repair79.7%
Mathematics (AIME)78.8%
Data Analysis & Tables75.2%
Language & Comprehension77.0%
Instruction Following77.9%

Sourced Benchmark Evaluations (61)

Verified performance across authoritative benchmarks with provenance tracking.
BenchmarkStatusScoreTrustDateSource TypeProvenance
MultiPL-EDeprecated77.4%
10
2026-09-12independentSource ↗
Humanity's Last ExamActive37.8%
93
2026-09-12independentSource ↗
SWE-bench ProActive52.1%
90
2026-09-12independentSource ↗
InfiniteBenchNearing Saturation75.2%
65
2026-09-12independentSource ↗
LongBench-ProActive72.6%
80
2026-09-12independentSource ↗
MATHSaturated80.7%
25
2026-09-12independentSource ↗
MathArenaActive65.8%
99
2026-09-12independentSource ↗
AgentIFNearing Saturation53%
80
2026-09-12independentSource ↗
MercuryDeprecated74%
10
2026-09-12independentSource ↗
MMLU-ProNearing Saturation81.4%
75
2026-09-12independentSource ↗
LiveCodeBenchSaturated69%
39
2026-09-12independentSource ↗
StructFlowBenchNearing Saturation66.2%
75
2026-09-12independentSource ↗
OlympiadBenchActive67.5%
80
2026-09-12independentSource ↗
Omni-MATHDeprecated60.9%
10
2026-09-12independentSource ↗
OpenAI-MRCRActive74.3%
80
2026-09-12independentSource ↗
PutnamBenchActive42.8%
90
2026-09-12independentSource ↗
RULERNearing Saturation81.4%
84
2026-09-12independentSource ↗
SCROLLSNearing Saturation70.8%
65
2026-09-12independentSource ↗
SimpleQAActive46%
90
2026-09-12independentSource ↗
SoohakActive62.5%
98
2026-09-12independentSource ↗
SWE-LancerDeprecated57.2%
20
2026-09-12independentSource ↗
AIMENearing Saturation78.2%
75
2026-09-12independentSource ↗
ZeroSCROLLSNearing Saturation70.8%
78
2026-09-12independentSource ↗
ARC-AGI-2Nearing Saturation66.9%
75
2026-09-12independentSource ↗
ARC-AGI-3Active55.8%
93
2026-09-12independentSource ↗
CodeContestsDeprecated54.7%
10
2026-09-12independentSource ↗
ComplexBenchNearing Saturation63.9%
80
2026-09-12independentSource ↗
CyberSecEvalDeprecated75.7%
10
2026-09-12independentSource ↗
FireBenchActive65.4%
95
2026-09-12independentSource ↗
FrontierCodeActive48.8%
98
2026-09-12independentSource ↗
FrontierMathActive23%
98
2026-09-12independentSource ↗
TabMWPSaturated75.7%
25
2026-09-12independentSource ↗
Terminal-BenchActive58.9%
80
2026-09-12independentSource ↗
SWE-bench VerifiedSaturated65.6%
25
2026-09-11independentSource ↗
MMLU-ReduxSaturated86.7%
25
2026-09-11independentSource ↗
QuALITYNearing Saturation77.9%
78
2026-09-11independentSource ↗
MGSMNearing Saturation78.2%
65
2026-09-10independentSource ↗
SWE-benchDeprecated57.2%
10
2026-09-10independentSource ↗
LongBenchNearing Saturation76.1%
65
2026-09-10independentSource ↗
AGIEvalSaturated73.8%
25
2026-09-09independentSource ↗
QASPERNearing Saturation73.5%
65
2026-09-09independentSource ↗
TruthfulQASaturated77.9%
25
2026-09-09independentSource ↗
GSM-HardDeprecated79%
10
2026-09-08independentSource ↗
SuperGLUESaturated87.5%
25
2026-09-08independentSource ↗
BIG-Bench HardSaturated84.1%
25
2026-09-07independentSource ↗
CodeXGLUEDeprecated79.1%
23
2026-09-07independentSource ↗
MT-BenchNearing Saturation8%
75
2026-09-07independentSource ↗
MBPP+Nearing Saturation85.8%
65
2026-09-06independentSource ↗
WinoGrandeSaturated89.2%
28
2026-09-06independentSource ↗
IFEvalDeprecated76.3%
25
2026-09-06independentSource ↗
GPQANearing Saturation77.9%
78
2026-09-06independentSource ↗
Needle-in-a-HaystackSaturated97.7%
44
2026-09-05independentSource ↗
HumanEval+Saturated90.8%
25
2026-09-05independentSource ↗
CommonsenseQASaturated90.1%
28
2026-09-05independentSource ↗
MBPPSaturated89.1%
25
2026-09-04independentSource ↗
GSM8KSaturated88.9%
25
2026-09-04independentSource ↗
GLUESaturated92.7%
28
2026-09-04independentSource ↗
MMLUSaturated90.3%
25
2026-09-03independentSource ↗
HumanEvalSaturated95.9%
25
2026-09-03independentSource ↗
ARC-AGISaturated80.7%
25
2026-09-03independentSource ↗
LiveBench (Continuous)Active77.9%
94
2025-02-01independentSource ↗
OpenAI Compatible API ExecutionAPI Ready
from openai import OpenAI

client = OpenAI()
response = client.chat.completions.create(
    model="google-gemini-3-8-flash",
    messages=[{"role": "user", "content": "Evaluate multi-step logic problem"}],
    temperature=0.2
)
print(response.choices[0].message.content)

Evaluation & Sourcing Notes

Scores listed for Gemini 3.8 Flash represent verified evaluations extracted from official research papers, independent evaluation suites (HELM, LMSYS, OpenCompass, LiveBench), and verified audit reports.

All benchmarks marked as saturated or deprecated reflect historical performance where the benchmark no longer provides active discriminative power.