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GPT-6.1 Terravs.Gemini 3.8 Flash

Which one is better?

Level in the overall index: the gap is too small for a clear winner. Gemini 3.8 Flash is cheaper: GPT-6.1 Terra costs 1.3 times as much per token.

IntelligenceOverall index, 0 to 100 · higher is better
67

GPT-6.1 Terra

Rank 12 to 27

67

Gemini 3.8 Flash

Rank 15 to 20

SpeedTokens per second · higher is better
91

GPT-6.1 Terra

fairly slow

133

Gemini 3.8 Flash

fairly fast

PriceDollars per 1M tokens · lower is better
$2

GPT-6.1 Terra

fairly expensive

$1.50

Gemini 3.8 Flash

fairly cheap

GPT-6.1 Terra

Subscription

Subscriptions in Germany: n/a

Via API

$1 input, $5 output per 1M tokens.

Gemini 3.8 Flash

Subscription

Free to use at Google (Google AI Free, with limited credits), more from €4.99 a month (Google AI Plus, with limited credits). Through other providers from ≈ €6.36 a month (ElevenLabs Starter, with limited credits). 59 plans in Germany.

Via API

$0.75 input, $3.75 output per 1M tokens, unchanged since Sep 2, 2026.

Overall index with data through Oct 29, 2026 · Prices from Oct 29, 2026 · Speed: measured by Artificial Analysis · Subscriptions as of Oct 24, 2026 · Subscription prices incl. VAT

Where is the difference?

Values from 0 to 100 per task area. We only name a winner when the gap is large enough and there are enough tests.

GPT-6.1 Terra ahead: 1Gemini 3.8 Flash ahead: 1level: 3too little data: 5of 10 areas

GPT-6.1 TerraGemini 3.8 Flash0 to 100, higher is better
Areas in the overall index
CodingGPT-6.1 Terra aheadGPT-6.1 Terra: 84Gemini 3.8 Flash: 50
ReasoninglevelGPT-6.1 Terra: 88Gemini 3.8 Flash: 78
Mathematicsonly Gemini 3.8 Flash has a scoreGPT-6.1 Terra: not enough dataGemini 3.8 Flash: 50
Knowledgetoo little dataGPT-6.1 Terra: 80Gemini 3.8 Flash: 80
AgentslevelGPT-6.1 Terra: 57Gemini 3.8 Flash: 54
Generalonly Gemini 3.8 Flash has a scoreGPT-6.1 Terra: not enough dataGemini 3.8 Flash: 64
Multimodaltoo little dataGPT-6.1 Terra: 70Gemini 3.8 Flash: 77
Specialist fields
FinancelevelGPT-6.1 Terra: 45Gemini 3.8 Flash: 78
LegalGemini 3.8 Flash aheadGPT-6.1 Terra: 8Gemini 3.8 Flash: 52
Healthonly Gemini 3.8 Flash has a scoreGPT-6.1 Terra: not enough dataGemini 3.8 Flash: 54
Show 3 more areas that do not count toward the overall index
GPT-6.1 TerraGemini 3.8 Flash0 to 100, higher is better
Cybersecurityonly Gemini 3.8 Flash has a scoreGPT-6.1 Terra: not enough dataGemini 3.8 Flash: 24
Productivityonly Gemini 3.8 Flash has a scoreGPT-6.1 Terra: not enough dataGemini 3.8 Flash: 60
Educationonly Gemini 3.8 Flash has a scoreGPT-6.1 Terra: not enough dataGemini 3.8 Flash: 68

See for yourself: same task, one attempt

The same prompt for both models. We show the latest attempt without fixes; it does not count toward the overall index.

Pelican on a bicycle

A community classic for free-form SVG drawing.

GPT-6.1 Terra

Not tested yet

Gemini 3.8 Flash

The response reached the token limit. No complete recording is available.

Reasoning (requested): high

Current attempt
Run date
Oct 5, 2026
API provider
openrouter
Requested API model
google/gemini-3.8-flash
API model reported in response
google/gemini-3.8-flash
Reasoning setting
high
Pinned endpoint
Google AI Studio | google/gemini-3.8-flash-20260902
Temperature
Provider default
Token limit including reasoning
8,192 tokens
Test protocol
community-visual-tests-v1
Technical checks
Failed
Response time
40.2 s

Not yet visually reviewed. A successful recording does not confirm correct physics or full compliance with the prompt.

Earlier attempts (3)
  • Oct 2, 2026API request failedReasoning setting: high
  • Oct 1, 2026API request failedReasoning setting: high
  • Sep 7, 2026API request failedReasoning setting: high
Prompt and test conditions

Generate an SVG of a pelican riding a bicycle

Token limit including reasoning: 8,192 tokens

Task origin (Simon Willison)
SVG short test

There is no shared test round for this selection. Results from different rounds are not mixed.

All data side by side

The better value is bold. For the overall index only when the gap is clear.

MetricGPT-6.1 TerraGemini 3.8 Flash
Intelligence
Overall index0 to 100, higher is better6767
RankRank 12 to 27 of 95Rank 15 to 20 of 95
Price per 1M tokens
Inputwhat you send$1above 272,000 tokens: $2$0.75
Outputwhat the model writes$5above 272,000 tokens: $7.50$3.75
Speed
Tokens per second91133
Technical
Context windowhow much text the model reads at once1.05 M tokens≈ 1,580 A4 pages1.05 M tokens≈ 1,570 A4 pages
Knowledge cutoffJun 1, 2026March 2026
ReleasedOct 26, 2026Sep 2, 2026
AvailabilityActiveActive
Open weightsnono
  • GPT-6.1 Terra, 12-hour cache write: The table's cache-write rate covers 30-minute retention. With 12-hour retention it is $2.50 per 1M tokens through 272,000 input tokens, $5 above. Source
  • GPT-6.1 Terra, Long-context billing: Above 272,000 input tokens, the higher rates apply to the entire request. Input and cache rates double, while output costs 1.5 times the standard rate. Source
  • GPT-6.1 Terra, Batch and Flex pricing: 50% off standard pricing Source
  • GPT-6.1 Terra, Fast pricing: Fast mode costs twice the standard price Source
  • GPT-6.1 Terra, Regional processing: 10% surcharge over standard processing Source

Prices without caching or batch discounts · Page count as a rule of thumb from Artificial Analysis

Shared benchmarks

Single results from the same benchmark version, task and metric. A value is bold only with the same test setup and a clear gap.

A: GPT-6.1 TerraB: Gemini 3.8 Flash

AA-BriefcaseOverall · higher is betterGPT-6.1 Terra: 1,190.59 eloGemini 3.8 Flash: 1,182.19 eloArtificial AnalysisAs of 10/29/2026
AA-OmniscienceOverall · higher is betterGPT-6.1 Terra: 26.6 pointsGemini 3.8 Flash: 23.7 pointsArtificial AnalysisAs of 10/29/2026
AA-Omniscience AccuracyOverall · higher is betterGPT-6.1 Terra: 47.4%Gemini 3.8 Flash: 49.6%Artificial AnalysisAs of 10/29/2026
AA-Omniscience Hallucination RateOverall · lower is betterGPT-6.1 Terra: 39.6%Gemini 3.8 Flash: 51.5%Artificial AnalysisAs of 10/29/2026
Artificial Analysis Intelligence IndexOverall · higher is betterGPT-6.1 Terra: 38.115 pointsGemini 3.8 Flash: 29.979 pointsArtificial AnalysisAs of 10/29/2026
AutomationBench-AAOverall · higher is betterGPT-6.1 Terra: 57.8%Gemini 3.8 Flash: 60.9%Artificial AnalysisAs of 10/29/2026
CritPt v2Overall · higher is betterGPT-6.1 Terra: 21.4%Gemini 3.8 Flash: 12.3%Artificial AnalysisAs of 10/29/2026
CritPt v2 (Hard Subset)Overall · higher is betterGPT-6.1 Terra: 56.0%Gemini 3.8 Flash: 44.0%Artificial AnalysisAs of 10/29/2026
EMB v1.1Overall · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 73.3%Gemini 3.8 Flash: 72.9%Vals AIAs of 10/26/2026
Finance Agent v2.1Overall · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 56%Gemini 3.8 Flash: 65.8%Vals AIAs of 10/26/2026
Show 54 more benchmarks
FrontierCodeOverall · higher is betterGPT-6.1 Terra: 34.5%Gemini 3.8 Flash: 16.5%Artificial AnalysisAs of 10/29/2026
FrontierCode 1.1 MainOverall · higher is betterGPT-6.1 Terra: 43.7%Gemini 3.8 Flash: 37.1%Artificial AnalysisAs of 10/29/2026
GDP.pdfOverall · higher is betterGPT-6.1 Terra: 28.4%Gemini 3.8 Flash: 22.8%Artificial AnalysisAs of 10/29/2026
GDPval-AAOverall · higher is betterGPT-6.1 Terra: 1,325.12 eloGemini 3.8 Flash: 1,432.16 eloArtificial AnalysisAs of 10/29/2026
HLAB-Vals-1.1Overall · Task fully resolved · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 1.7%Gemini 3.8 Flash: 12.1%Vals AIAs of 10/26/2026
HLE-DiamondOverall · higher is betterGPT-6.1 Terra: 31.3%Gemini 3.8 Flash: 29.1%Artificial AnalysisAs of 10/29/2026
Legal Research BenchOverall · All-pass · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 26%Gemini 3.8 Flash: 38.9%Vals AIAs of 10/26/2026
MMMU-ProOverall · higher is betterGPT-6.1 Terra: 82.8%Gemini 3.8 Flash: 84.2%Artificial AnalysisAs of 10/29/2026
Tax Agent BenchOverall · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 15.2%Gemini 3.8 Flash: 32.1%Vals AIAs of 10/26/2026
Terminal-BenchOverall · higher is betterGPT-6.1 Terra: 32.3%Gemini 3.8 Flash: 19.7%Artificial AnalysisAs of 10/29/2026
Terminal-Bench 4.0Overall · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 49.5%Gemini 3.8 Flash: 19.7%Vals AIAs of 10/26/2026
Terminal-Bench-ScienceOverall · higher is betterGPT-6.1 Terra: 24.8%Gemini 3.8 Flash: 10.5%Artificial AnalysisAs of 10/29/2026
Vals Finance IndexOverall · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 52.9%Gemini 3.8 Flash: 60.5%Vals AIAs of 10/26/2026
Vals IndexOverall · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 60.5%Gemini 3.8 Flash: 56%Vals AIAs of 10/27/2026
Vals Legal IndexOverall · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 58.6%Gemini 3.8 Flash: 69.8%Vals AIAs of 10/26/2026
Vibe Code Bench v1.1Overall · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 84%Gemini 3.8 Flash: 78.7%Vals AIAs of 10/26/2026
AA-BriefcaseOverall · higher is betterGPT-6.1 Terra: 1,263.5 eloGemini 3.8 Flash: 1,202.25 eloArtificial AnalysisAs of 10/29/2026
AA-OmniscienceOverall · higher is betterGPT-6.1 Terra: 27.767 pointsGemini 3.8 Flash: 23.267 pointsArtificial AnalysisAs of 10/29/2026
AA-Omniscience AccuracyOverall · higher is betterGPT-6.1 Terra: 45.6%Gemini 3.8 Flash: 48.3%Artificial AnalysisAs of 10/29/2026
AA-Omniscience Hallucination RateOverall · lower is betterGPT-6.1 Terra: 41.6%Gemini 3.8 Flash: 68.1%Artificial AnalysisAs of 10/29/2026
Artificial Analysis Intelligence IndexOverall · higher is betterGPT-6.1 Terra: 29.217 pointsGemini 3.8 Flash: 22.348 pointsArtificial AnalysisAs of 10/29/2026
AutomationBench-AAOverall · higher is betterGPT-6.1 Terra: 58.5%Gemini 3.8 Flash: 59.9%Artificial AnalysisAs of 10/29/2026
CritPt v2Overall · higher is betterGPT-6.1 Terra: 15.1%Gemini 3.8 Flash: 4.0%Artificial AnalysisAs of 10/29/2026
CritPt v2 (Hard Subset)Overall · higher is betterGPT-6.1 Terra: 60.5%Gemini 3.8 Flash: 43.5%Artificial AnalysisAs of 10/29/2026
EMB v1.1Comps · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 75.6%Gemini 3.8 Flash: 76%Vals AIAs of 10/26/2026
Finance Agent v2.1Adjustments · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 50.6%Gemini 3.8 Flash: 61.9%Vals AIAs of 10/26/2026
FrontierCodeOverall · higher is betterGPT-6.1 Terra: 37.5%Gemini 3.8 Flash: 18.7%Artificial AnalysisAs of 10/29/2026
FrontierCode 1.1 MainOverall · higher is betterGPT-6.1 Terra: 36.3%Gemini 3.8 Flash: 27.5%Artificial AnalysisAs of 10/29/2026
GDP.pdfOverall · higher is betterGPT-6.1 Terra: 28.0%Gemini 3.8 Flash: 21.0%Artificial AnalysisAs of 10/29/2026
GDPval-AAOverall · higher is betterGPT-6.1 Terra: 1,204.16 eloGemini 3.8 Flash: 1,316.57 eloArtificial AnalysisAs of 10/29/2026
HLAB-Vals-1.1Antitrust Competition · Criteria passed · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 83%Gemini 3.8 Flash: 92.9%Vals AIAs of 10/26/2026
HLE-DiamondOverall · higher is betterGPT-6.1 Terra: 35.4%Gemini 3.8 Flash: 33.1%Artificial AnalysisAs of 10/29/2026
Legal Research BenchAdministrative / Regulatory · All-pass · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 45.5%Gemini 3.8 Flash: 47%Vals AIAs of 10/26/2026
MMMU-ProOverall · higher is betterGPT-6.1 Terra: 82.5%Gemini 3.8 Flash: 84.5%Artificial AnalysisAs of 10/29/2026
Tax Agent BenchControversy & Precedence Analysis · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 5.9%Gemini 3.8 Flash: 6.7%Vals AIAs of 10/26/2026
Terminal-BenchOverall · higher is betterGPT-6.1 Terra: 41.9%Gemini 3.8 Flash: 19.7%Artificial AnalysisAs of 10/29/2026
Terminal-Bench 4.0Hardware · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 26.7%Gemini 3.8 Flash: 26.7%Vals AIAs of 10/26/2026
Terminal-Bench-ScienceOverall · higher is betterGPT-6.1 Terra: 33.3%Gemini 3.8 Flash: 10.0%Artificial AnalysisAs of 10/29/2026
Vals Finance IndexEMB v1.1 · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 73.3%Gemini 3.8 Flash: 72.9%Vals AIAs of 10/26/2026
Vals IndexCode Migration v1.1 · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 72.2%Gemini 3.8 Flash: 38.2%Vals AIAs of 10/27/2026
Vals Legal IndexBusiness & Commercial · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 51.6%Gemini 3.8 Flash: 67%Vals AIAs of 10/26/2026
AA-Omniscience AccuracyOverall · higher is betterGPT-6.1 Terra: 47.3%Gemini 3.8 Flash: 50.5%Artificial AnalysisAs of 10/29/2026
AA-Omniscience Hallucination RateOverall · lower is betterGPT-6.1 Terra: 37.0%Gemini 3.8 Flash: 55.1%Artificial AnalysisAs of 10/29/2026
Artificial Analysis Intelligence IndexOverall · higher is betterGPT-6.1 Terra: 42.334 pointsGemini 3.8 Flash: 30.547 pointsArtificial AnalysisAs of 10/29/2026
CritPt v2Overall · higher is betterGPT-6.1 Terra: 25.7%Gemini 3.8 Flash: 18.3%Artificial AnalysisAs of 10/29/2026
EMB v1.1Dataroom · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 86.3%Gemini 3.8 Flash: 87.8%Vals AIAs of 10/26/2026
Finance Agent v2.1All-Pass · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 42.6%Gemini 3.8 Flash: 54.5%Vals AIAs of 10/26/2026
FrontierCode 1.1 MainOverall · higher is betterGPT-6.1 Terra: 37.2%Gemini 3.8 Flash: 36.4%Artificial AnalysisAs of 10/29/2026
GDPval-AAOverall · higher is betterGPT-6.1 Terra: 1,353.15 eloGemini 3.8 Flash: 1,445.4 eloArtificial AnalysisAs of 10/29/2026
HLAB-Vals-1.1Antitrust Competition · Task fully resolved · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 0%Gemini 3.8 Flash: 0%Vals AIAs of 10/26/2026
Legal Research BenchAdministrative / Regulatory · Weighted partial credit · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 84.8%Gemini 3.8 Flash: 87.6%Vals AIAs of 10/26/2026
MMMU-ProOverall · higher is betterGPT-6.1 Terra: 83.8%Gemini 3.8 Flash: 85.6%Artificial AnalysisAs of 10/29/2026
Tax Agent BenchControversy & Precedence Analysis · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 42.5%Gemini 3.8 Flash: 59%Vals AIAs of 10/26/2026
Terminal-Bench 4.0Media · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 58.3%Gemini 3.8 Flash: 16.7%Vals AIAs of 10/26/2026

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