Skip to main content
BenchLM
Advertise

Model comparison

Gemini 3.5 Flash vs Gemini 3.6 Flash

Data verified

Head-to-head evidence from 15 shared benchmark results across 5 categories. Overall scores shown here use the public BenchAlign v5 ranking lane.

64.75/100
No comparison
N/A
0 category wins1 category wins

Public leaderboard positions: Gemini 3.5 Flash #33 (Estimated); Gemini 3.6 Flash unranked (Not scored). Intervals and evidence labels describe ranking uncertainty, not a guarantee for a specific workload.

Evidence parity. Gemini 3.5 Flash and Gemini 3.6 Flash share 15 comparable benchmark results. 1 of 8 categories are comparable. 31 results are unique to Gemini 3.5 Flash; 4 to Gemini 3.6 Flash.

Updated July 21, 2026
Shared results
15
Gemini 3.5 Flash only
31
Gemini 3.6 Flash only
4
Comparable categories
1 / 8

Treat this as a split decision. Gemini 3.5 Flash makes more sense if its workflow fits your team better; Gemini 3.6 Flash is the better fit if agentic is the priority or you want the cheaper token bill.

Confidence note. This is a partial-evidence comparison with 15 shared benchmark results across 5 evidence categories; 1 of 8 categories currently have scoreable aggregates for both models. Treat the verdict as directional until coverage is more balanced.

Why this result

Gemini 3.5 Flash and Gemini 3.6 Flash finish on the same BenchAlign overall score, so this is less about a single winner and more about where the edge shows up. The BenchAlign headline says tie; the benchmark table is where the real choice happens.

Gemini 3.5 Flash is also the more expensive model on tokens at $1.50 input / $9.00 output per 1M tokens, versus $1.50 input / $7.50 output per 1M tokens for Gemini 3.6 Flash.

Category breakdown

Exact category averages are shown below. Not measured means BenchLM does not have enough sourced public coverage for that model and category.

Category scores and score margins for Gemini 3.5 Flash and Gemini 3.6 Flash
CategoryGemini 3.5 FlashΔGemini 3.6 Flash
AgenticGemini 3.5 Flash77.2Margin→ 5.8Gemini 3.6 Flash83.0
CodingGemini 3.5 Flash53.9MarginNo overlapGemini 3.6 FlashNot measured
ReasoningGemini 3.5 Flash74.7MarginNo overlapGemini 3.6 FlashNot measured
KnowledgeGemini 3.5 Flash47.2MarginNo overlapGemini 3.6 FlashNot measured
MathGemini 3.5 Flash32.9MarginNo overlapGemini 3.6 FlashNot measured
MultimodalGemini 3.5 Flash83.8MarginNo overlapGemini 3.6 FlashNot measured
Inst. FollowingGemini 3.5 Flash76.3MarginNo overlapGemini 3.6 FlashNot measured

Decisive benchmark drivers

The largest measured benchmark gaps in this matchup, with exact reported values.

More
A · Gemini 3.5 FlashB · Gemini 3.6 Flash

  1. OSWorld-Verified

    Agentic
    Source ↗
    A 78.4%B 83%
    Winner: Gemini 3.6 FlashΔ 4.6
    OSWorld-Verified: Gemini 3.5 Flash scored 78.4%; Gemini 3.6 Flash scored 83%. Gemini 3.6 Flash wins this benchmark.

Operational comparison

Runtime and commercial metrics are compared only when both models have a complete sourced value.

MetricGemini 3.5 FlashGemini 3.6 FlashComparison
Input / output priceUSD per 1M tokensGemini 3.5 Flash$1.5 input / $9 outputGemini 3.6 Flash$1.5 input / $7.5 outputGemini 3.6 Flash has the lower combined listed price.
Generation speedtokens per secondGemini 3.5 Flash284.2 tok/sGemini 3.6 FlashNot availableA complete speed comparison is not available.
First-answer latencyseconds to first tokenGemini 3.5 Flash18.55 sGemini 3.6 FlashNot availableA complete latency comparison is not available.
Context windowmaximum listed tokensGemini 3.5 Flash1MGemini 3.6 Flash1MListed context windows are equal.

Benchmark Deep Dive

AgenticGemini 3.6 Flash wins
BenchmarkGemini 3.5 FlashGemini 3.6 FlashResult
Terminal-Bench 2.0Source 76.2%—Not comparable
MCP AtlasSource 83.6%—Not comparable
ToolathlonSource 56.5%—Not comparable
OSWorld-VerifiedSource 78.4%83%Gemini 3.6 Flash leads
Finance Agent v2Source 57.9%—Not comparable
GDPval-AASource 13491421Gemini 3.6 Flash leads
τ²-bench resultsSource 95.3%—Not comparable
GDPval-AASource 42.4%46.1%Gemini 3.6 Flash leads
AA Agentic IndexSource 37.5%38.7%Gemini 3.6 Flash leads
APEX-Agents-AASource 47.1%—Not comparable
Gert LabsSource 61.85%—Not comparable
ResearchClawBenchSource 18.0%—Not comparable
AA AutomationBenchSource 42.6%—Not comparable
AA EnterpriseOps-GymSource 50.1%—Not comparable
terminalBenchHardSource 40.9%—Not comparable
AA BriefcaseSource —961Not comparable
AA Tau3 BankingSource —24.5%Not comparable
aaTerminalBench21Source —77.5%Not comparable
Coding
BenchmarkGemini 3.5 FlashGemini 3.6 FlashResult
Terminal-Bench 2.0Source 76.2%—Not comparable
SWE-bench ProSource 55.1%—Not comparable
SciCodeSource 53.1%—Not comparable
Vibe Code BenchSource 48.68%—Not comparable
cursorBench31Source 49.8%—Not comparable
cursorBench32Source 48.8%—Not comparable
AA Coding IndexSource 70.1%69.2%Gemini 3.5 Flash leads
AA-SciCodeSource 53.1%52.7%Gemini 3.5 Flash leads
deepSweSource —49%Not comparable
Reasoning
BenchmarkGemini 3.5 FlashGemini 3.6 FlashResult
MRCRv2Source 77.3%—Not comparable
MRCR 1MSource 26.6%—Not comparable
ARC-AGI-2Source 72.1%—Not comparable
AA-LCRSource 69.3%69.7%Gemini 3.6 Flash leads
CritPtSource 13.1%10.6%Gemini 3.5 Flash leads
Knowledge
BenchmarkGemini 3.5 FlashGemini 3.6 FlashResult
Artificial Analysis Intelligence IndexSource 50.2%50.1%Gemini 3.5 Flash leads
GPQASource 92.2%—Not comparable
GPQA-DSource 92.7%—Not comparable
HLESource 40.2%—Not comparable
AA-Omniscience AccuracySource 51.9%50.2%Gemini 3.5 Flash leads
AA-Omniscience Hallucination RateSource 60.7%53.5%Gemini 3.6 Flash leads
AA-GPQA DiamondSource 92.2%92.8%Gemini 3.6 Flash leads
AA-HLESource 41.0%38.3%Gemini 3.5 Flash leads
AA-Omniscience IndexSource 22.7%23.5%Gemini 3.6 Flash leads
Math
BenchmarkGemini 3.5 FlashGemini 3.6 FlashResult
FrontierMath v2 (Tiers 1-3)Source 38.966%—Not comparable
FrontierMath v2 (Tier 4)Source 14.583%—Not comparable
Multimodal
BenchmarkGemini 3.5 FlashGemini 3.6 FlashResult
CharXivSource 84.2%—Not comparable
MMMU-ProSource 83.6%—Not comparable
Blueprint-Bench 2Source 33.6%—Not comparable
AA-MMMU-ProSource 84.3%83.2%Gemini 3.5 Flash leads
Design Arena WebsiteSource 1285—Not comparable
Inst. Following
BenchmarkGemini 3.5 FlashGemini 3.6 FlashResult
IFBenchSource 76.3%—Not comparable
AA-IFBenchSource 76.3%—Not comparable
Frequently Asked Questions (2)

Which is better, Gemini 3.5 Flash or Gemini 3.6 Flash?

Gemini 3.5 Flash and Gemini 3.6 Flash are tied on the BenchAlign overall score, so the right pick depends on which category matters most for your use case.

Which is better for agentic tasks, Gemini 3.5 Flash or Gemini 3.6 Flash?

Gemini 3.6 Flash has the edge for agentic tasks in this comparison, averaging 83 versus 77.2. Inside this category, GDPval-AA is the benchmark that creates the most daylight between them.

Related Comparisons

Explore More

Google Compare Pricing Methodology Find Your Best LLM Overall Rankings
Last updated: July 21, 2026

Choose a model with this week’s evidence

Join 2,000+ readers for ranking moves, pricing changes, and the claims that still need proof.

One email each week. Unsubscribe anytime.