BenchLeader

Gemini 3.7 Flash vs GPT-5.6 Terra

Full profiles: Gemini 3.7 Flash (Google) and GPT-5.6 Terra (OpenAI): every benchmark, price and rank.

Updated · Data from 9 sources

As of 25 Oct 2026, Gemini 3.7 Flash (high) and GPT-5.6 Terra (max) are neck and neck on quality (63.5 vs 64.4 on the BenchLeader Index, inside the ±6.1 margin of error), and Gemini 3.7 Flash (high) costs 3.0× less, which makes it the better buy for most workloads. Pick Gemini 3.7 Flash for knowledge (68 vs 57); pick GPT-5.6 Terra for agents & tools (59 vs 48).

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
CodingGPT-5.6 Terra65 vs 63 category score; IOI 87.6% vs 67.8%Medium
Agents & tool useGPT-5.6 Terra59 vs 48 category score; Terminal-Bench 21.5% vs 11.2%High
MathsGPT-5.6 Terra69 vs 63 category score; FrontierMath Tiers 1–3 86.0% vs 71.6%Medium
ReasoningGPT-5.6 Terra70 vs 67 category score; CritPt 30.0% vs 14.3%Medium
KnowledgeGemini 3.7 Flash68 vs 57 category score; SimpleQA Verified 69.2% vs 43.2%High
Long documentsEither66 vs 67 category score; AA-LCR 81.7% vs 83.0%Either
Images and other mediaGemini 3.7 Flash68 vs 64 category score; MMMU-Pro 85.5% vs 80.7%Medium
Chat quality (human preference)–Only Gemini 3.7 Flash has an Arena rating (68 category score)Not comparable
Lowest costGemini 3.7 Flash$1.50 vs $4.50 per 1M blended; agentic coding session $0.060 vs $0.168–
Fastest first answerGemini 3.7 Flash2.5 s (Gemini 3.7 Flash (high)) vs 101.0 s (GPT-5.6 Terra (max)) 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 GPT-5.6 Terra (max) are neck and neck on quality (63.5 vs 64.4, within the ±6.1 margin).
  • Gemini 3.7 Flash (high) is stronger in human preference, knowledge, multimodal.
  • GPT-5.6 Terra (max) is stronger in agents & tools, coding, composite, long context, maths, reasoning, instruction following.
  • Gemini 3.7 Flash (high) is 3.0× cheaper ($1.50 vs $4.50 per 1M blended).
  • GPT-5.6 Terra (max) streams 1.4× faster (126 vs 88 tokens per second).

At a glance

SpecGemini 3.7 FlashGPT-5.6 Terra
DeveloperGoogleOpenAI
Released13 Aug 20269 Jul 2026
Context window (tokens)1,048,5761,050,000
Compared atGemini 3.7 Flash (high)GPT-5.6 Terra (max)
Open weightsNoNo
Price in / out / cached input per 1M$0.750 / $3.75 / $0.075$2.00 / $12.00 / $0.200

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)GPT-5.6 Terra (max)Leader
Reasoning67.370.1GPT-5.6 Terra
Coding62.965.1GPT-5.6 Terra
Agents & tools47.658.9GPT-5.6 Terra
Maths63.368.9GPT-5.6 Terra
Knowledge68.057.2Gemini 3.7 Flash
Instruction following–69.9not comparable
Human preference68.4–not comparable
Multimodal67.663.7Gemini 3.7 Flash
Long context65.966.6level
Composite73.276.6GPT-5.6 Terra

Where sources disagree

Across the 56 benchmarks both have, Gemini 3.7 Flash leads 26, GPT-5.6 Terra leads 29 and 1 is a tie. Independent sources split: Gemini 3.7 Flash leads on Arena Text; GPT-5.6 Terra leads on AA Intelligence Index v4.3.2.

Overall indexGemini 3.7 Flash (high)GPT-5.6 Terra (max)Leader
BenchLeader Index63.564.4neck and neck
AA Intelligence Index v4.3.239.142.1GPT-5.6 Terra
Arena Text14901467†Gemini 3.7 Flash

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; suite cost is what Artificial Analysis paid to run its whole Intelligence Index.

MeasureGemini 3.7 Flash (high)GPT-5.6 Terra (max)
Blended price per 1M tokens$1.50$4.50
Input / output per 1M$0.750 / $3.75$2.00 / $12.00
Cached input per 1M$0.075$0.200
Price per task: chat reply$0.0014$0.0044
Price per task: summarize a 30-page report$0.011$0.031
Price per task: code edit$0.010$0.030
Price per task: agentic coding session$0.060$0.168
Price per task: structured extraction$0.0023$0.0064
Cost to run a full benchmark suite–$1.40
Output speed88 tok/s126 tok/s
Time to first answer2.5 s101.0 s
Time to a complete answer–105.0 s

Each model is compared at its best-ranked reasoning-effort setting. Gemini 3.7 Flash (high) scores 63.5 and takes 2 s to its first answer token; Gemini 3.7 Flash (medium) scores 63.1 in 2 s, Gemini 3.7 Flash (low) scores 60.3 in 2 s. GPT-5.6 Terra (max) scores 64.4 and takes 101 s to its first answer token; GPT-5.6 Terra (xhigh) scores 62.8 in 7 s, GPT-5.6 Terra (high) scores 61.3 in 2 s. 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

118 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)GPT-5.6 Terra (max)
BenchLeader IndexBenchLeader63.564.4
Agents & tools scoreBenchLeader47.658.9
Coding scoreBenchLeader62.965.1
Composite scoreBenchLeader73.276.6
Human preference scoreBenchLeader68.4–
Knowledge scoreBenchLeader68.057.2
Long context scoreBenchLeader65.966.6
Maths scoreBenchLeader63.368.9
Multimodal scoreBenchLeader67.663.7
Reasoning scoreBenchLeader67.370.1
Instruction following scoreBenchLeader–69.9
Blended price $/MBenchLeader$1.50$4.50
Output speedBenchLeader88 tok/s126 tok/s
Time to first answerBenchLeader2.5 s101.0 s
Context windowBenchLeader1,048,576 tokens1,050,000 tokens
Reasoning
GPQA DiamondEpoch AI Benchmarking Hub94.8%93.3%
SimpleBenchSimpleBench–48.9%†
Arena Hard PromptsArena (LMArena)15091490†
LiveBench 2.0 ReasoningLiveBench87.8%†90.6%†
LiveBench 1.0 ReasoningLiveBench87.8%90.6%
GPQA Diamond (AA)Artificial Analysis94.5%92.5%
Humanity's Last Exam (AA)Artificial Analysis47.9%42.9%
GPQA Diamond (Vals)Vals AI93.9%90.9%†
Kagi LLM BenchmarkKagi LLM Benchmark–51.3%†
ARC-AGI-1ARC Prize95.5%96.5%
ARC-AGI-2ARC Prize84.6%83.9%
ARC-AGI-3ARC Prize–0.8%
CritPtArtificial Analysis14.3%30.0%
Chess PuzzlesEpoch AI Benchmarking Hub66.0%47.0%
Mystery Game PuzzlesEpoch AI Benchmarking Hub37.0%35.0%
LMCAEpoch AI Benchmarking Hub50.4%55.0%
DTBenchEpoch AI Benchmarking Hub96.8%93.3%
ForecastBenchForecastBench66.2%–
Coding
SciCodeSciCode57.2%55.0%
WeirdMLWeirdML–78.3%†
FrontierCodeCognition43.6%†41.3%†
Arena CodingArena (LMArena)15201518†
Arena WebDevArena (LMArena)15901521†
LiveBench 2.0 CodingLiveBench80.5%†86.2%†
LiveBench 1.0 CodingLiveBench78.9%78.3%
Show all 118 benchmarks
MetricPublisherGemini 3.7 Flash (high)GPT-5.6 Terra (max)
Coding
LiveCodeBenchVals AI88.7%85.9%†
IOIVals AI67.8%87.6%
SWE-bench (Vals)Vals AI80.8%95.4%
Code MigrationVals AI34.8%47.8%
ProgramBenchVals AI0.0%0.5%
Vibe Code Bench 1-100Vals AI–14.8%
Vibe Code Bench v1.1Vals AI70.4%74.6%
Surface Evolver BenchEpoch AI Benchmarking Hub–83.8%†
DeepSWE v1.1Epoch AI Benchmarking Hub65.3%69.6%
CursorBenchCursor–41.3%
ALE-BenchEpoch AI Benchmarking Hub904.31951.4
FrontierSWEEpoch AI Benchmarking Hub20.3%–
Terminal-Bench 4.0 (AA)Artificial Analysis13.6%35.4%
Terminal-Bench 2.1 (AA)Artificial Analysis85.8%88.0%
Startrise FrontendStartrise–66.9%†
Agents & tools
Terminal-BenchTerminal-Bench11.2%21.5%
Remote Labor IndexScale AI / CAIS5.0%†–
APEX-AgentsMercor67.8%†58.2%
Arena AgentArena (LMArena)-1.30.2†
LiveBench Long AgenticLiveBench28.3%†48.4%†
LiveBench BrowserLiveBench56.0%†84.0%†
LiveBench Agentic CodingLiveBench58.3%55.0%
Terminal-Bench HardArtificial Analysis–57.6%
τ²-Bench Telecom (AA)Artificial Analysis–86.3%
Terminal-Bench 2.1 (Vals)Vals AI77.5%77.5%
GDPval-AA v2.1Artificial Analysis–47.6%
τ³-Banking (AA)Artificial Analysis32.8%40.2%
ITBench SRE (AA)Artificial Analysis–51.0%
Analyst Agent (AA)Artificial Analysis60.0%–
APEX-Agents (AA)Artificial Analysis–38.9%
CyberBenchVals AI43.8%72.1%
Finance Agent v2Vals AI59.0%54.4%
Harvey's Legal Agent Benchmark v1Vals AI8.8%0.8%
Legal Research BenchVals AI34.6%41.4%
SkillsBenchVals AI65.9%58.9%
SREBenchVals AI4.6%9.5%
Tax Agent BenchVals AI22.8%30.0%
Terminal-Bench 4.0 (Vals)Vals AI12.1%22.7%
Terminal-Bench ScienceVals AI7.1%10.0%
BALROGBALROG–53.2%
Vending-Bench 2Andon Labs–7343.2†
AutomationBenchArtificial Analysis62.0%59.6%
GDP.pdf (AA)Artificial Analysis23.6%24.0%
EnterpriseOps-GymArtificial Analysis50.4%†38.5%
Terminal-Bench-Science 0.1 (AA)Artificial Analysis–13.8%
FACTS SearchGoogle80.9%†81.7%†
Maths
FrontierMath Tiers 1–3Epoch AI Benchmarking Hub71.6%86.0%
FrontierMath Tier 4Epoch AI Benchmarking Hub36.6%70.7%
OTIS Mock AIMEEpoch AI Benchmarking Hub97.2%99.7%
ProofBenchVals AI58.0%†74.0%†
LiveBench MathematicsLiveBench93.5%94.9%
Arena MathsArena (LMArena)15051483†
Knowledge
SimpleQA VerifiedEpoch AI Benchmarking Hub69.2%43.2%
LiveBench 2.0 Data AnalysisLiveBench68.0%†79.3%†
LiveBench ResearchLiveBench76.5%†60.4%†
LiveBench 1.0 Data AnalysisLiveBench68.0%79.3%
AA-OmniscienceArtificial Analysis26.50.1
MMLU-ProVals AI90.1%86.7%†
LegalBenchVals AI87.3%85.1%
CorpFinVals AI–65.3%†
TaxEvalVals AI74.7%76.2%†
Excel Modeling BenchmarkVals AI71.3%66.2%
MedCodeVals AI53.4%43.4%†
MedScribeVals AI83.9%82.9%†
Public Benefits Bench v1.1Vals AI–62.4%
GDP.pdfEpoch AI Benchmarking Hub23.8%24.7%†
AA-Omniscience: accuracyArtificial Analysis55.3%46.8%
AA-Omniscience: non-hallucinationArtificial Analysis35.5%12.1%
Instruction following
LiveBench LanguageLiveBench85.5%82.9%
LiveBench Instruction FollowingLiveBench79.9%64.6%
IFBenchArtificial Analysis–71.2%
Arena Instruction FollowingArena (LMArena)14871464†
Human preference
Arena TextArena (LMArena)14901467†
EQ-Bench 4EQ-Bench–1224†
Arena Creative WritingArena (LMArena)14921429†
Arena Multi-turnArena (LMArena)14891472†
Arena Longer QueriesArena (LMArena)15011468†
Multimodal
Arena VisionArena (LMArena)13141271†
LiveBench DesignLiveBench73.2%†76.0%†
MMMU-ProArtificial Analysis85.5%80.7%
MMMU-Pro (Vals)Vals AI89.0%86.5%
MortgageTaxVals AI66.7%67.3%†
SAGEVals AI49.2%47.0%
Blueprint-Bench 2Epoch AI Benchmarking Hub–30.8%†
Long context
AA-LCRArtificial Analysis81.7%83.0%
Arena DocumentArena (LMArena)–1477†
MLCRArtificial Analysis12.2%27.2%
Composite
Epoch Capabilities IndexEpoch AI Benchmarking Hub158.0†160.1†
LiveBench 2.0LiveBench67.2%†75.0%†
LiveBench 1.0LiveBench78.8%77.9%
AA Intelligence Index v4.3.2Artificial Analysis39.142.1
Vals RSI IndexVals AI18.3%–
Vals Multimodal IndexVals AI–65.1%†

Data as of 2026-10-25. Best configuration of each model; every score links to its source on the model pages.

What changed

  • Gemini 3.7 Flash (high): 2 new results (Harvey's Legal Agent Benchmark v1, Vals RSI Index).
  • GPT-5.6 Terra (max): 1 new result (Harvey's Legal Agent Benchmark v1).
  • 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).
  • GPT-5.6 Terra (max): 1 score revision.
  • Gemini 3.7 Flash (high): 1 new result (ForecastBench).
  • Gemini 3.7 Flash (high): BenchLeader Index 62.9 → 63.5.
  • GPT-5.6 Terra (max): BenchLeader Index 63.8 → 64.4.
  • Gemini 3.7 Flash (high): BenchLeader Index 60.8 → 62.9.
  • Gemini 3.7 Flash (high): 18 new results (AA Intelligence Index v4.3.2, GPQA Diamond (AA), Humanity's Last Exam (AA)…).

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

Gemini 3.7 Flash vs GPT-5.6 Terra: questions

Is Gemini 3.7 Flash better than GPT-5.6 Terra?
Gemini 3.7 Flash (high) and GPT-5.6 Terra (max) are neck and neck on quality (63.5 vs 64.4, within the ±6.1 margin). The BenchLeader Index combines every independent quality benchmark; the two are within the margin of error as of 2026-10-25, so check the category scores for your use.
Which is cheaper, Gemini 3.7 Flash or GPT-5.6 Terra, and will that change?
Gemini 3.7 Flash is cheaper today: $1.50 against $4.50 per million tokens, blended at three input tokens per output token. No price change has been announced for either.
Is Gemini 3.7 Flash better than GPT-5.6 Terra for coding?
GPT-5.6 Terra scores higher in coding (65 vs 63 on the category index, where 50 is average). On SciCode, the top shared coding benchmark, it is 57.2% for Gemini 3.7 Flash against 55.0% for GPT-5.6 Terra.
Is Gemini 3.7 Flash better than GPT-5.6 Terra for agents and tool use?
GPT-5.6 Terra scores higher in agentic tasks (59 vs 48 on the category index, where 50 is average). On Terminal-Bench, the top shared agents & tools benchmark, it is 11.2% for Gemini 3.7 Flash against 21.5% for GPT-5.6 Terra.
Which is better for long documents?
They are level on long-context benchmarks (66 vs 67). Both take about 1.1M tokens: Gemini 3.7 Flash 1,048,576, GPT-5.6 Terra 1,050,000.
Which has lower latency?
Gemini 3.7 Flash (high) answers first: 2.5 s against 101.0 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.
Which is faster, Gemini 3.7 Flash or GPT-5.6 Terra?
GPT-5.6 Terra streams faster: 126 against 88 output tokens per second.
Do independent benchmarks agree on Gemini 3.7 Flash vs GPT-5.6 Terra?
Across the 56 benchmarks both have, Gemini 3.7 Flash leads 26, GPT-5.6 Terra leads 29 and 1 is a tie. Independent sources split: Gemini 3.7 Flash leads on Arena Text; GPT-5.6 Terra leads on AA Intelligence Index v4.3.2.
When was Gemini 3.7 Flash released?
Gemini 3.7 Flash was released on 13 Aug 2026.