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Gemini 3.7 Flash vs Gemini 4 Hydrogen

Full profiles: Gemini 3.7 Flash (Google) and Gemini 4 Hydrogen (Google): every benchmark, price and rank.

Updated · Data from 9 sources

As of 13 Nov 2026, Gemini 3.7 Flash and Gemini 4 Hydrogen are neck and neck on quality (62.1 vs 63.4 on the BenchLeader Index, inside the ±4.0 margin), and Gemini 3.7 Flash is 2.0× cheaper at $1.50 vs $3.00 per 1M tokens blended. Gemini 4 Hydrogen leads in every category we measure both in. Gemini 4 Hydrogen streams ~2× faster.

Key facts (as of 13 Nov 2026)

  • Gemini 3.7 Flash scores 62.1 on the BenchLeader Index and Gemini 4 Hydrogen scores 63.4 (BenchLeader, 13 Nov 2026).
  • Gemini 3.7 Flash costs $1.50 per 1M tokens blended (list price, 13 Nov 2026).
  • Gemini 4 Hydrogen costs $3.00 per 1M tokens blended (list price, 13 Nov 2026).
  • Gemini 4 Hydrogen streams ~2× faster than Gemini 3.7 Flash (Artificial Analysis, 7-day median, 13 Nov 2026).
  • Of the 12 benchmarks both models have, Gemini 4 Hydrogen leads 9 (BenchLeader, 13 Nov 2026).
  • On Arena WebDev, Gemini 3.7 Flash is rated 1588 and Gemini 4 Hydrogen 1704 (LMArena, as published by 13 Nov 2026).
Gemini 3.7 Flash benchmarks high Google Gemini 4 Hydrogen benchmarks high GoogleAdd a third model

Which to pick for…

The pick's numbers come first. Category scores on the BenchLeader scale (50 is the average model, 15 points one standard deviation). High confidence means a lead of half a standard deviation or more; under one point is called either.

Use casePickWhyConfidence
CodingGemini 4 Hydrogen69 vs 62 category score; Arena WebDev 1704 vs 1588Medium
Agents & tool useGemini 4 Hydrogen62 vs 49 category score; Terminal-Bench 56.4% vs 12.4%High
MathsGemini 4 Hydrogen68 vs 63 category score; Arena Maths 1495 vs 1502Medium
ReasoningGemini 4 Hydrogen70 vs 68 category score; Arena Hard Prompts 1514 vs 1510Medium
KnowledgeGemini 4 Hydrogen69 vs 66 category scoreMedium
Chat quality (human preference)Either68 vs 68 on Arena votesEither
Lowest costGemini 3.7 Flash$1.50 vs $3.00 per 1M blended; agentic coding session $0.060 vs $0.120–
Fastest first answerGemini 3.7 Flash2.3 s (Gemini 3.7 Flash (high)) vs 16.4 s (Gemini 4 Hydrogen (high)) to the first answer token–
High volume on a budgetNeither flagshipA smaller model is usually the better fit: Cheapest good LLMs, Fastest LLMs–

Key differences

  • Gemini 3.7 Flash (high) and Gemini 4 Hydrogen (high) are neck and neck on quality (62.1 vs 63.4, within the ±4.0 margin).
  • Gemini 4 Hydrogen (high) is stronger in agents & tools, coding, human preference, knowledge, maths, reasoning.
  • Gemini 3.7 Flash (high) is 2.0× cheaper ($1.50 vs $3.00 per 1M blended).
  • Gemini 4 Hydrogen (high) streams 2.0× faster (180 vs 92 tokens per second).

At a glance

SpecGemini 3.7 FlashGemini 4 Hydrogen
DeveloperGoogleGoogle
Released13 Aug 202612 Nov 2026
Context window (tokens)1,048,5761,048,576
Compared atGemini 3.7 Flash (high)Gemini 4 Hydrogen (high)
Open weightsNoNo
Price in / out / cached input per 1M$0.750 / $3.75 / $0.075$1.50 / $7.50 / $0.075

Category by category

Category scores on the BenchLeader scale: 50 is the average evaluated model, 15 points is one standard deviation. A gap under one point is called level.

CategoryGemini 3.7 Flash (high)Gemini 4 Hydrogen (high)Leader
Reasoning67.769.6Gemini 4 Hydrogen
Coding62.468.8Gemini 4 Hydrogen
Agents & tools49.161.9Gemini 4 Hydrogen
Maths62.667.8Gemini 4 Hydrogen
Knowledge65.968.5Gemini 4 Hydrogen
Human preference68.168.2level
Multimodal67.2–not comparable
Long context65.5–not comparable

On one chart

Each domain on the index's own scale, where 50 is an average model. Click a domain to see the benchmarks behind it. Pick up to 5 models from the list.

2550 avg75ReasoningCodingAgents & toolsMathsKnowledgeHumanpreferenceGemini 3.7 Flash, Reasoning: 67.7Gemini 3.7 Flash, Coding: 62.4Gemini 3.7 Flash, Agents & tools: 49.1Gemini 3.7 Flash, Maths: 62.6Gemini 3.7 Flash, Knowledge: 65.9Gemini 3.7 Flash, Human preference: 68.1Gemini 4 Hydrogen, Reasoning: 69.6Gemini 4 Hydrogen, Coding: 68.8Gemini 4 Hydrogen, Agents & tools: 61.9Gemini 4 Hydrogen, Maths: 67.8Gemini 4 Hydrogen, Knowledge: 68.5Gemini 4 Hydrogen, Human preference: 68.2

Not drawn, measured for fewer than two of these models: Instruction following, Long context, Multimodal.

Model, click to add or removeIndex

Where sources disagree

Across the 12 benchmarks both have, Gemini 3.7 Flash leads 3, Gemini 4 Hydrogen leads 9. Every overall index that rates both puts Gemini 4 Hydrogen ahead.

Overall indexGemini 3.7 Flash (high)Gemini 4 Hydrogen (high)Leader
BenchLeader Index62.163.4neck and neck
Arena Text14891490Gemini 4 Hydrogen

Each publisher runs its own tasks, harnesses and effort settings, so their overall verdicts can differ; BenchLeader reconciles them on one scale. † measured at another effort setting of the same model (the publisher did not test the one compared here).

Price, speed and latency

List prices blended at three input tokens per output token. Per-task prices use the token counts on the methodology page. Cost, tokens and time per benchmark task are measured: Artificial Analysis’ averages over its whole Intelligence Index run.

MeasureGemini 3.7 Flash (high)Gemini 4 Hydrogen (high)
Blended price per 1M tokens$1.50$3.00
Input / output per 1M$0.750 / $3.75$1.50 / $7.50
Cached input per 1M$0.075$0.075
Price per task: chat reply$0.0014$0.0029
Price per task: summarize a 30-page report$0.011$0.022
Price per task: code edit$0.010$0.020
Price per task: agentic coding session$0.060$0.120
Price per task: structured extraction$0.0023$0.0045
Agentic coding session, input mostly cached$0.030$0.056
Cost per benchmark task (AA Index)–$1.87
Output tokens per task (AA Index)–85k
Of which reasoning–48k
Time per task (AA Index)–8 min
Output speed92 tok/s180 tok/s
Time to first answer2.3 s16.4 s
Time to a complete answer–63.3 s

Each model is compared at its best-ranked reasoning-effort setting. Gemini 3.7 Flash (high) scores 62.1 and takes 2 s to its first answer token; Gemini 3.7 Flash (medium) scores 60.1 in 2 s, Gemini 3.7 Flash (low) scores 57.3 in 2 s. Gemini 4 Hydrogen (high) scores 63.4 and takes 16 s to its first answer token. Higher effort means more thinking before the answer: better scores, longer waits and more tokens billed. How reasoning effort changes scores and cost.

Every benchmark

109 benchmarks, grouped by category; each name links to the board and its leaders. † measured at another effort setting of the same model, shown for reference and not counted as a win.

MetricPublisherGemini 3.7 Flash (high)Gemini 4 Hydrogen (high)
BenchLeader IndexBenchLeader62.163.4
Agents & tools scoreBenchLeader49.161.9
Coding scoreBenchLeader62.468.8
Human preference scoreBenchLeader68.168.2
Knowledge scoreBenchLeader65.968.5
Long context scoreBenchLeader65.5–
Maths scoreBenchLeader62.667.8
Multimodal scoreBenchLeader67.2–
Reasoning scoreBenchLeader67.769.6
Blended price $/MBenchLeader$1.50$3.00
Output speedBenchLeader92 tok/s180 tok/s
Time to first answerBenchLeader2.3 s16.4 s
Context windowBenchLeader1,048,576 tokens1,048,576 tokens
Reasoning
GPQA DiamondEpoch AI Benchmarking Hub94.8%–
Arena Hard PromptsArena (LMArena)15101514
LiveBench 2.0 ReasoningLiveBench–88.6%†
LiveBench 1.0 ReasoningLiveBench87.8%–
GPQA Diamond (AA)Artificial Analysis94.5%–
Humanity's Last Exam (AA)Artificial Analysis47.9%–
HLE-Diamond (AA)Artificial Analysis–54.9%
GPQA Diamond (Vals)Vals AI93.9%–
ARC-AGI-1ARC Prize95.5%–
ARC-AGI-2ARC Prize84.6%–
CritPtArtificial Analysis14.3%–
CritPt v2 hard subset (AA)Artificial Analysis–61.5%
Chess PuzzlesEpoch AI Benchmarking Hub66.0%–
Mystery Game PuzzlesEpoch AI Benchmarking Hub37.0%–
LMCAEpoch AI Benchmarking Hub50.4%–
DTBenchEpoch AI Benchmarking Hub96.8%–
ForecastBenchForecastBench66.2%–
Coding
SciCodeSciCode57.2%–
FrontierCodeCognition43.6%†–
Arena CodingArena (LMArena)15201518
Arena WebDevArena (LMArena)15881704
LiveBench 2.0 CodingLiveBench–78.5%†
LiveBench 1.0 CodingLiveBench78.9%–
LiveCodeBenchVals AI88.7%–
IOIVals AI67.8%–
Show all 109 benchmarks
MetricPublisherGemini 3.7 Flash (high)Gemini 4 Hydrogen (high)
Coding
SWE-bench (Vals)Vals AI80.8%–
Code MigrationVals AI34.8%–
ProgramBenchVals AI0.0%–
Vibe Code Bench v1.1Vals AI70.4%87.8%†
MirrorCodeEpoch AI Benchmarking Hub41.1%–
DeepSWE v1.1Epoch AI Benchmarking Hub65.3%–
ALE-BenchEpoch AI Benchmarking Hub904.3–
FrontierSWEEpoch AI Benchmarking Hub20.3%–
Terminal-Bench 4.0 (AA)Artificial Analysis13.6%54.0%
Terminal-Bench 2.1 (AA)Artificial Analysis85.8%–
Design Arena WebsiteDesign Arena1295†1316†
FrontierCode 2.0 (AA)Artificial Analysis–36.3%
Agents & tools
Terminal-BenchTerminal-Bench12.4%56.4%
Remote Labor IndexScale AI / CAIS5.0%†–
APEX-AgentsMercor67.8%†–
Arena AgentArena (LMArena)-2.2–
LiveBench Long AgenticLiveBench–61.8%†
LiveBench BrowserLiveBench–77.1%†
LiveBench Agentic CodingLiveBench58.3%–
Terminal-Bench 2.1 (Vals)Vals AI77.5%–
τ³-Banking (AA)Artificial Analysis32.8%–
Analyst Agent (AA)Artificial Analysis60.0%–
CyberBenchVals AI43.8%–
Finance Agent v2Vals AI59.0%–
Finance Agent v2.1Vals AI–65.1%†
Harvey's Legal Agent Benchmark v1.1Vals AI–11.3%†
Harvey's Legal Agent Benchmark v1Vals AI8.8%–
Legal Research BenchVals AI34.6%53.9%†
SkillsBenchVals AI65.9%–
SREBenchVals AI4.6%–
Tax Agent BenchVals AI22.8%52.3%†
Terminal-Bench 4.0 (Vals)Vals AI12.1%54.0%†
Terminal-Bench ScienceVals AI7.1%–
AutomationBenchArtificial Analysis62.0%74.4%
GDP.pdf (AA)Artificial Analysis23.6%30.0%
EnterpriseOps-GymArtificial Analysis50.4%†–
AA-Briefcase v1.1Artificial Analysis–1497
Design Arena AgenticDesign Arena1215†–
Terminal-Bench-Science 0.1 (AA)Artificial Analysis–41.4%
Maths
FrontierMath Tiers 1–3Epoch AI Benchmarking Hub71.6%–
FrontierMath Tier 4Epoch AI Benchmarking Hub36.6%–
OTIS Mock AIMEEpoch AI Benchmarking Hub97.2%–
ProofBenchVals AI58.0%†–
LiveBench MathematicsLiveBench93.5%–
Arena MathsArena (LMArena)15021495
Knowledge
SimpleQA VerifiedEpoch AI Benchmarking Hub69.2%–
LiveBench 2.0 Data AnalysisLiveBench–83.2%†
LiveBench ResearchLiveBench–86.8%†
LiveBench 1.0 Data AnalysisLiveBench68.0%–
AA-Omniscience v1.1Artificial Analysis–43.7
MMLU-ProVals AI90.1%–
LegalBenchVals AI87.3%–
TaxEvalVals AI74.7%–
Excel Modeling BenchmarkVals AI71.3%–
Excel Modeling Benchmark v1.1Vals AI–75.8%†
MedCodeVals AI53.4%–
MedScribeVals AI83.9%–
GDP.pdfEpoch AI Benchmarking Hub23.8%–
AA-Omniscience v1.1: accuracyArtificial Analysis–48.2%
AA-Omniscience v1.1: non-hallucinationArtificial Analysis–91.3%
Instruction following
LiveBench LanguageLiveBench85.5%–
LiveBench Instruction FollowingLiveBench79.9%–
Arena Instruction FollowingArena (LMArena)14861503
Human preference
Arena TextArena (LMArena)14891490
Arena Creative WritingArena (LMArena)14871492
Arena Multi-turnArena (LMArena)14901476
Arena Longer QueriesArena (LMArena)15011514
Multimodal
Arena VisionArena (LMArena)1313–
LiveBench DesignLiveBench–77.3%†
MMMU-ProArtificial Analysis85.5%–
MMMU-Pro (Vals)Vals AI89.0%–
MortgageTaxVals AI66.7%–
Long context
AA-LCR v1.1Artificial Analysis81.7%–
Arena DocumentArena (LMArena)1468–
MLCRArtificial Analysis12.2%21.1%†
Composite
Epoch Capabilities IndexEpoch AI Benchmarking Hub158.4†–
LiveBench 2.0LiveBench–77.0%†
LiveBench 1.0LiveBench78.8%–
AA Intelligence Index v5.0Artificial Analysis–50.8
AA Intelligence Index v4.3.2Artificial Analysis39.1–
AA Progress Index v1Artificial Analysis317.4–
Vals IndexVals AI–68.5†
Vals Finance IndexVals AI–66.1%†
Vals RSI IndexVals AI18.3%–

Data as of 2026-11-13. Best configuration of each model; every score links to its source on the model pages.

What changed

  • Gemini 4 Hydrogen (high): 10 new results (Arena Text, Arena Hard Prompts, Arena Coding…).
  • Gemini 3.7 Flash (high): BenchLeader Index 62.6 → 62.1.
  • Gemini 3.7 Flash (high): 1 score revision.
  • Gemini 3.7 Flash (high): 1 new result (Arena Document).
  • Gemini 3.7 Flash (high): 1 new result (MirrorCode).
  • Gemini 3.7 Flash (high): 1 new result (AA Progress Index v1).
  • Gemini 3.7 Flash (high): 2 new results (Harvey's Legal Agent Benchmark v1, Vals RSI Index).
  • Gemini 3.7 Flash (high): input price moved from $0.38/M to $0.75/M (97% up); output price moved from $1.88/M to $3.75/M (99% up).
  • Gemini 3.7 Flash (high): 1 score revision; input price moved from $0.75/M to $0.38/M (49% down); output price moved from $3.75/M to $1.88/M (50% down).
  • Gemini 3.7 Flash (high): 1 new result (ForecastBench).

Rankings: Best LLM overall · Best LLM for agents · Best cheap LLMs

Gemini 3.7 Flash vs Gemini 4 Hydrogen: questions

Is Gemini 3.7 Flash better than Gemini 4 Hydrogen?
Gemini 3.7 Flash (high) and Gemini 4 Hydrogen (high) are neck and neck on quality (62.1 vs 63.4, within the ±4.0 margin). The BenchLeader Index combines every independent quality benchmark; the two are within the margin of error as of 13 Nov 2026, so check the category scores for your use.
Gemini 3.7 Flash vs Gemini 4 Hydrogen: which is cheaper, and will that change?
Gemini 3.7 Flash is cheaper today: $1.50 against $3.00 per million tokens, blended at three input tokens per output token. No price change has been announced for either.
Is Gemini 3.7 Flash or Gemini 4 Hydrogen better for coding?
Gemini 4 Hydrogen scores higher in coding (69 vs 62 on the category index, where 50 is average). On Arena WebDev, the top shared coding benchmark, it is 1588 for Gemini 3.7 Flash against 1704 for Gemini 4 Hydrogen.
Which is faster, Gemini 3.7 Flash or Gemini 4 Hydrogen?
Gemini 4 Hydrogen streams ~2× faster (180 vs 92 output tokens per second, Artificial Analysis 7-day median).
Is Gemini 3.7 Flash or Gemini 4 Hydrogen better for agents and tool use?
Gemini 4 Hydrogen scores higher in agentic tasks (62 vs 49 on the category index, where 50 is average). On Terminal-Bench, the top shared agents & tools benchmark, it is 12.4% for Gemini 3.7 Flash against 56.4% for Gemini 4 Hydrogen.
More questions (4)
Which is better for long documents?
Both accept 1,048,576 tokens of context.
Which has lower latency?
Gemini 3.7 Flash answers first: 2.3 s against 16.4 s to the first answer token, as Artificial Analysis measures it. Reasoning effort drives most of this: a higher setting thinks longer before it answers.
Do independent benchmarks agree on Gemini 3.7 Flash vs Gemini 4 Hydrogen?
Across the 12 benchmarks both have, Gemini 3.7 Flash leads 3, Gemini 4 Hydrogen leads 9. Every overall index that rates both puts Gemini 4 Hydrogen ahead.
When was Gemini 4 Hydrogen released?
Gemini 4 Hydrogen was released on 12 Nov 2026.