BenchLeader

Gemini 3.7 Flash vs GPT-6 Astra

Full profiles: Gemini 3.7 Flash (Google) and GPT-6 Astra (OpenAI): every benchmark, price and rank.

Updated · Data from 10 sources

As of 24 Oct 2026, GPT-6 Astra (max) leads on quality (70.4 vs 63.5 on the BenchLeader Index), but Gemini 3.7 Flash (high) costs 13× less, so it is the better buy unless you need the extra quality. Pick Gemini 3.7 Flash for human preference (68 vs 67); pick GPT-6 Astra for agents & tools (64 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-6 Astra74 vs 63 category score; Arena WebDev 1775 vs 1591High
Agents & tool useGPT-6 Astra64 vs 48 category score; Terminal-Bench 58.2% vs 11.2%High
MathsGPT-6 Astra72 vs 63 category score; FrontierMath Tiers 1–3 93.7% vs 71.6%High
ReasoningGPT-6 Astra76 vs 67 category score; GPQA Diamond 95.8% vs 94.8%High
KnowledgeGPT-6 Astra80 vs 68 category score; SimpleQA Verified 75.6% vs 69.2%High
Long documentsEither66 vs 65 category score; AA-LCR 81.7% vs 80.7%Either
Images and other mediaGemini 3.7 Flash68 vs 66 category score; Arena Vision 1314 vs 1280Medium
Chat quality (human preference)Gemini 3.7 Flash68 vs 67 on Arena votesMedium
Lowest costGemini 3.7 Flash$1.50 vs $20.00 per 1M blended; agentic coding session $0.060 vs $0.800–
Fastest first answerGemini 3.7 Flash2.5 s (Gemini 3.7 Flash (high)) vs 247.0 s (GPT-6 Astra (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

  • GPT-6 Astra (max) leads on quality: 70.4 vs 63.5.
  • Gemini 3.7 Flash (high) is stronger in human preference, long context, multimodal.
  • GPT-6 Astra (max) is stronger in agents & tools, coding, composite, knowledge, maths, reasoning.
  • Gemini 3.7 Flash (high) is 13× cheaper ($1.50 vs $20.00 per 1M blended).
  • Gemini 3.7 Flash (high) streams 1.5× faster (88 vs 58 tokens per second).

At a glance

SpecGemini 3.7 FlashGPT-6 Astra
DeveloperGoogleOpenAI
Released13 Aug 20262 Sept 2026
Context window (tokens)1,048,5761,050,000
Compared atGemini 3.7 Flash (high)GPT-6 Astra (max)
Open weightsNoNo
Price in / out / cached input per 1M$0.750 / $3.75 / $0.075$10.00 / $50.00 / $1.00

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-6 Astra (max)Leader
Reasoning67.376.2GPT-6 Astra
Coding63.074.0GPT-6 Astra
Agents & tools47.564.2GPT-6 Astra
Maths63.371.8GPT-6 Astra
Knowledge68.079.5GPT-6 Astra
Human preference68.466.7Gemini 3.7 Flash
Multimodal67.666.0Gemini 3.7 Flash
Long context65.965.4level
Composite73.288.4GPT-6 Astra

Where sources disagree

Across the 66 benchmarks both have, Gemini 3.7 Flash leads 18, GPT-6 Astra leads 48. Independent sources split: Gemini 3.7 Flash leads on Arena Text; GPT-6 Astra leads on BenchLeader Index and AA Intelligence Index v4.3.2.

Overall indexGemini 3.7 Flash (high)GPT-6 Astra (max)Leader
BenchLeader Index63.570.4GPT-6 Astra
AA Intelligence Index v4.3.239.152.7GPT-6 Astra
Arena Text14901477Gemini 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-6 Astra (max)
Blended price per 1M tokens$1.50$20.00
Input / output per 1M$0.750 / $3.75$10.00 / $50.00
Cached input per 1M$0.075$1.00
Price per task: chat reply$0.0014$0.019
Price per task: summarize a 30-page report$0.011$0.150
Price per task: code edit$0.010$0.135
Price per task: agentic coding session$0.060$0.800
Price per task: structured extraction$0.0023$0.030
Cost to run a full benchmark suite–$3.26
Output speed88 tok/s58 tok/s
Time to first answer2.5 s247.0 s
Time to a complete answer–255.6 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-6 Astra (max) scores 70.4 and takes 247 s to its first answer token; GPT-6 Astra (high) scores 69.6 in 35 s, GPT-6 Astra (xhigh) scores 68.9 in 130 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

141 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-6 Astra (max)
BenchLeader IndexBenchLeader63.570.4
Agents & tools scoreBenchLeader47.564.2
Coding scoreBenchLeader63.074.0
Composite scoreBenchLeader73.288.4
Human preference scoreBenchLeader68.466.7
Knowledge scoreBenchLeader68.079.5
Long context scoreBenchLeader65.965.4
Maths scoreBenchLeader63.371.8
Multimodal scoreBenchLeader67.666.0
Reasoning scoreBenchLeader67.376.2
Blended price $/MBenchLeader$1.50$20.00
Output speedBenchLeader88 tok/s58 tok/s
Time to first answerBenchLeader2.5 s247.0 s
Context windowBenchLeader1,048,576 tokens1,050,000 tokens
Reasoning
GPQA DiamondEpoch AI Benchmarking Hub94.8%95.8%
Humanity's Last ExamScale AI / CAIS–54.8%†
Arena Hard PromptsArena (LMArena)15091501
LiveBench 2.0 ReasoningLiveBench87.8%†92.7%†
LiveBench 1.0 ReasoningLiveBench87.8%92.7%
GPQA Diamond (AA)Artificial Analysis94.5%96.1%
Humanity's Last Exam (AA)Artificial Analysis47.9%54.7%
GPQA Diamond (Vals)Vals AI93.9%–
ARC-AGI-1ARC Prize95.5%97.5%
ARC-AGI-2ARC Prize84.6%95.0%
ARC-AGI-3ARC Prize–98.6%
CritPtArtificial Analysis14.3%31.7%
MysteryMechanismVals AI–53.1%
Chess PuzzlesEpoch AI Benchmarking Hub66.0%74.0%
Mystery Game PuzzlesEpoch AI Benchmarking Hub37.0%84.0%
LMCAEpoch AI Benchmarking Hub50.4%64.1%†
DTBenchEpoch AI Benchmarking Hub96.8%97.1%†
ForecastBenchForecastBench66.2%–
BTF-3Epoch AI Benchmarking Hub–13.5%†
Coding
SciCodeSciCode57.2%56.5%
WeirdMLWeirdML–93.3%
FrontierCodeCognition43.6%†53.3%
GSO-BenchGSO-Bench–79.4%†
Arena CodingArena (LMArena)15201543
Arena WebDevArena (LMArena)15911775
Show all 141 benchmarks
MetricPublisherGemini 3.7 Flash (high)GPT-6 Astra (max)
Coding
LiveBench 2.0 CodingLiveBench80.5%†93.7%†
LiveBench 1.0 CodingLiveBench78.9%80.4%
LiveCodeBenchVals AI88.7%–
IOIVals AI67.8%100.0%
SWE-bench (Vals)Vals AI80.8%–
Code MigrationVals AI34.8%67.7%
Code Migration v1.1Vals AI–80.6%
ProgramBenchVals AI0.0%5.5%
SWE-bench MultimodalVals AI–43.3%
Vibe Code Bench 1-100Vals AI–27.6%
Vibe Code Bench v1.1Vals AI70.4%89.6%
SWE Atlas: Codebase QnAScale AI SEAL–59.1%†
SWE Atlas: RefactoringScale AI SEAL–59.0%†
SWE Atlas: Test WritingScale AI SEAL–50.7%†
MirrorCodeEpoch AI Benchmarking Hub–46.7%†
DeepSWE v1.1Epoch AI Benchmarking Hub65.3%73.2%
ALE-BenchEpoch AI Benchmarking Hub904.32951.3
FrontierSWEEpoch AI Benchmarking Hub20.3%65.5%
Terminal-Bench 4.0 (AA)Artificial Analysis13.6%59.1%
Terminal-Bench 2.1 (AA)Artificial Analysis85.8%88.4%
Startrise FrontendStartrise–79.9%†
FrontierCode 1.1 (AA)Artificial Analysis–47.0%
Agents & tools
Terminal-BenchTerminal-Bench11.2%58.2%
Remote Labor IndexScale AI / CAIS5.0%†20.8%†
APEX-AgentsMercor67.8%†64.7%†
Arena AgentArena (LMArena)-114.7
LiveBench Long AgenticLiveBench28.3%†82.4%†
LiveBench BrowserLiveBench56.0%†84.0%†
LiveBench Agentic CodingLiveBench58.3%57.3%
Terminal-Bench 2.1 (Vals)Vals AI77.5%87.3%
HiL-BenchScale AI SEAL–65.3%†
GDPval-AA v2.1Artificial Analysis–53.7%
τ³-Banking (AA)Artificial Analysis32.8%41.4%
ITBench SRE (AA)Artificial Analysis–48.6%
Analyst Agent (AA)Artificial Analysis60.0%51.3%
CUA-benchVals AI–19.2%
CyberBenchVals AI43.8%41.1%
Finance Agent v2Vals AI59.0%53.5%
Finance Agent v2.1Vals AI–60.4%
Harvey's Legal Agent Benchmark v1.1Vals AI–7.1%
Harvey's Legal Agent Benchmark v1Vals AI8.8%5.4%
Legal Research BenchVals AI34.6%39.4%
Robo-benchVals AI–23.3%
SkillsBenchVals AI65.9%–
SREBenchVals AI4.6%56.9%
Tax Agent BenchVals AI22.8%20.7%
Terminal-Bench 4.0 (Vals)Vals AI12.1%59.6%
Terminal-Bench ScienceVals AI7.1%62.9%
Time Horizon Index: KSPVals AI–90.5%
Arena SearchArena (LMArena)–1246
BALROGBALROG–68.3%
Vending-Bench 2Andon Labs–15514.7†
AutomationBenchArtificial Analysis62.0%68.5%
GDP.pdf (AA)Artificial Analysis23.6%31.0%
Harvey LAB-AA v1.1Harvey–8.6%
EnterpriseOps-GymArtificial Analysis50.4%†–
AA-Briefcase v1.1Artificial Analysis–1568
Terminal-Bench-Science 0.1 (AA)Artificial Analysis–63.3%
CWE-Bench (AA)Artificial Analysis–63.3%
DeepSec-Bench (AA)Artificial Analysis–36.9%
CyberGym end-to-end (AA)Artificial Analysis–0.0%
FACTS SearchGoogle80.9%†89.9%†
Maths
FrontierMath Tiers 1–3Epoch AI Benchmarking Hub71.6%93.7%
FrontierMath Tier 4Epoch AI Benchmarking Hub36.6%97.6%
OTIS Mock AIMEEpoch AI Benchmarking Hub97.2%100.0%
ProofBenchVals AI58.0%†99.0%†
LiveBench MathematicsLiveBench93.5%96.8%
Arena MathsArena (LMArena)15051487
Knowledge
SimpleQA VerifiedEpoch AI Benchmarking Hub69.2%75.6%
LiveBench 2.0 Data AnalysisLiveBench68.0%†83.0%†
LiveBench ResearchLiveBench76.5%†85.2%†
LiveBench 1.0 Data AnalysisLiveBench68.0%83.0%
AA-OmniscienceArtificial Analysis26.543.4
MMLU-ProVals AI90.1%–
LegalBenchVals AI87.3%–
TaxEvalVals AI74.7%–
PRBench FinanceScale AI SEAL–47.5%†
PRBench LegalScale AI SEAL–48.4%†
BioMysteryBenchVals AI–79.3%
Excel Modeling BenchmarkVals AI71.3%71.7%
Excel Modeling Benchmark v1.1Vals AI–72.7%
MedCodeVals AI53.4%48.5%
MedScribeVals AI83.9%87.9%
DrugDiscoveryBenchScale AI SEAL–68.7%
EBR-benchEpoch AI Benchmarking Hub–76.2%
GDP.pdfEpoch AI Benchmarking Hub23.8%34.2%
AA-Omniscience: accuracyArtificial Analysis55.3%62.6%
AA-Omniscience: non-hallucinationArtificial Analysis35.5%48.7%
Instruction following
LiveBench LanguageLiveBench85.5%89.4%
LiveBench Instruction FollowingLiveBench79.9%75.6%
Arena Instruction FollowingArena (LMArena)14871473
Human preference
Arena TextArena (LMArena)14901477
Arena Creative WritingArena (LMArena)14921450
Arena Multi-turnArena (LMArena)14891485
Arena Longer QueriesArena (LMArena)15011489
Multimodal
Arena VisionArena (LMArena)13141280
LiveBench DesignLiveBench73.2%†82.0%†
MMMU-ProArtificial Analysis85.5%86.9%
MMMU-Pro (Vals)Vals AI89.0%–
MortgageTaxVals AI66.7%–
SAGEVals AI49.2%46.4%
Blueprint-Bench 2Epoch AI Benchmarking Hub–49.7%†
AA-3DArtificial Analysis–1166
Long context
AA-LCRArtificial Analysis81.7%80.7%
Arena DocumentArena (LMArena)–1473
MLCRArtificial Analysis12.2%41.7%
Composite
Epoch Capabilities IndexEpoch AI Benchmarking Hub158.0†168.8†
LiveBench 2.0LiveBench67.2%†86.1%†
LiveBench 1.0LiveBench78.8%82.2%
AA Intelligence Index v4.3.2Artificial Analysis39.152.7
Vals IndexVals AI–65.0
Vals Finance IndexVals AI–55.6%
Vals RSI IndexVals AI18.3%27.1%
Vals Science IndexVals AI–65.1%
Vals Router IndexVals AI–65.0%†
AA Cyber IndexArtificial Analysis–33.4

Data as of 2026-10-24. 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-6 Astra (max): 9 new results (Code Migration v1.1, Excel Modeling Benchmark v1.1, Finance Agent v2.1…).
  • 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-6 Astra (max): 1 score revision.
  • Gemini 3.7 Flash (high): 1 new result (ForecastBench).
  • GPT-6 Astra (max): 4 score revisions.
  • Gemini 3.7 Flash (high): BenchLeader Index 62.9 → 63.5.
  • GPT-6 Astra (max): BenchLeader Index 69.8 → 70.6.
  • Gemini 3.7 Flash (high): BenchLeader Index 60.8 → 62.9.

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

Gemini 3.7 Flash vs GPT-6 Astra: questions

Is Gemini 3.7 Flash better than GPT-6 Astra?
GPT-6 Astra (max) leads on quality: 70.4 vs 63.5. The BenchLeader Index combines every independent quality benchmark; GPT-6 Astra (max) is ahead overall as of 2026-10-24, but check the category scores for your use.
Which is cheaper, Gemini 3.7 Flash or GPT-6 Astra, and will that change?
Gemini 3.7 Flash is cheaper today: $1.50 against $20.00 per million tokens, blended at three input tokens per output token. No price change has been announced for either.
Is Gemini 3.7 Flash better than GPT-6 Astra for coding?
GPT-6 Astra scores higher in coding (74 vs 63 on the category index, where 50 is average). On Arena WebDev, the top shared coding benchmark, it is 1591 for Gemini 3.7 Flash against 1775 for GPT-6 Astra.
Is Gemini 3.7 Flash better than GPT-6 Astra for agents and tool use?
GPT-6 Astra scores higher in agentic tasks (64 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 58.2% for GPT-6 Astra.
Which is better for long documents?
They are level on long-context benchmarks (66 vs 65). Both take about 1.1M tokens: Gemini 3.7 Flash 1,048,576, GPT-6 Astra 1,050,000.
Which has lower latency?
Gemini 3.7 Flash (high) answers first: 2.5 s against 247.0 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-6 Astra?
Gemini 3.7 Flash streams faster: 88 against 58 output tokens per second.
Do independent benchmarks agree on Gemini 3.7 Flash vs GPT-6 Astra?
Across the 66 benchmarks both have, Gemini 3.7 Flash leads 18, GPT-6 Astra leads 48. Independent sources split: Gemini 3.7 Flash leads on Arena Text; GPT-6 Astra leads on BenchLeader Index and AA Intelligence Index v4.3.2.
When was GPT-6 Astra released?
GPT-6 Astra was released on 2 Sept 2026.