GPT-6.1 Terravs.DeepSeek-V4.1-Flash
Which one is better?
Level in the overall index: the gap is too small for a clear winner. DeepSeek-V4.1-Flash is cheaper: GPT-6.1 Terra costs 6.7 times (input) and 8.3 times (output) as much per token.
67
GPT-6.1 Terra
Rank 12 to 27
48
DeepSeek-V4.1-Flash
Rank 23 to 34
91
GPT-6.1 Terra
fairly slow
177
DeepSeek-V4.1-Flash
fast
$2
GPT-6.1 Terra
fairly expensive
$0.26
DeepSeek-V4.1-Flash
cheap
GPT-6.1 Terra
- Subscription
Subscriptions in Germany: n/a
- Via API
$1 input, $5 output per 1M tokens.
DeepSeek-V4.1-Flash
- Subscription
No DeepSeek subscription includes this model. Through other providers from ≈ €1.06 a month (Command Code Go, with limited credits). 28 plans in Germany.
- Via API
$0.15 input, $0.60 output per 1M tokens according to the provider; the price index has listed it at $0.30 and $1 since Sep 26, 2026.
- Note
- There is a successor: DeepSeek V4.1 Flash 1017 (rank 14 to 22, same price).
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: 3DeepSeek-V4.1-Flash ahead: 1level: 2too little data: 4of 10 areas
AreaGPT-6.1 TerraDeepSeek-V4.1-Flash0 to 100, higher is betterResult
Areas in the overall index
CodingGPT-6.1 Terra aheadGPT-6.1 Terra: 84DeepSeek-V4.1-Flash: 47
ReasoningGPT-6.1 Terra aheadGPT-6.1 Terra: 88DeepSeek-V4.1-Flash: 46
Mathematicsonly DeepSeek-V4.1-Flash has a scoreGPT-6.1 Terra: not enough dataDeepSeek-V4.1-Flash: 40
Knowledgeonly GPT-6.1 Terra has a scoreGPT-6.1 Terra: 80DeepSeek-V4.1-Flash: not enough data
AgentslevelGPT-6.1 Terra: 57DeepSeek-V4.1-Flash: 69
Generalonly DeepSeek-V4.1-Flash has a scoreGPT-6.1 Terra: not enough dataDeepSeek-V4.1-Flash: 42
MultimodalGPT-6.1 Terra aheadGPT-6.1 Terra: 70DeepSeek-V4.1-Flash: 34
Specialist fields
FinancelevelGPT-6.1 Terra: 45DeepSeek-V4.1-Flash: 60
LegalDeepSeek-V4.1-Flash aheadGPT-6.1 Terra: 8DeepSeek-V4.1-Flash: 52
Healthonly DeepSeek-V4.1-Flash has a scoreGPT-6.1 Terra: not enough dataDeepSeek-V4.1-Flash: 33
Show 3 more areas that do not count toward the overall index
AreaGPT-6.1 TerraDeepSeek-V4.1-Flash0 to 100, higher is betterResult
Cybersecurityonly DeepSeek-V4.1-Flash has a scoreGPT-6.1 Terra: not enough dataDeepSeek-V4.1-Flash: 66
Productivityonly DeepSeek-V4.1-Flash has a scoreGPT-6.1 Terra: not enough dataDeepSeek-V4.1-Flash: 49
Educationonly DeepSeek-V4.1-Flash has a scoreGPT-6.1 Terra: not enough dataDeepSeek-V4.1-Flash: 41
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
DeepSeek-V4.1-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
- deepseek/deepseek-v4.1-flash
- API model reported in response
- deepseek/deepseek-v4.1-flash
- Reasoning setting
- high
- Pinned endpoint
- DeepSeek | deepseek/deepseek-v4.1-flash-20260910
- Temperature
- Provider default
- Token limit including reasoning
- 8,192 tokens
- Test protocol
- community-visual-tests-v1
- Technical checks
- Failed
- Response time
- 25.8 s
Not yet visually reviewed. A successful recording does not confirm correct physics or full compliance with the prompt.
Earlier attempts (2)
- Oct 2, 2026API request failedReasoning setting: high
- Oct 1, 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.
| Metric | GPT-6.1 Terra | DeepSeek-V4.1-Flash |
|---|---|---|
| Intelligence | ||
| Overall index0 to 100, higher is better | 67 | 48 |
| Rank | Rank 12 to 27 of 95 | Rank 23 to 34 of 95 |
| Price per 1M tokens | ||
| Inputwhat you send | $1above 272,000 tokens: $2 | $0.15 |
| Outputwhat the model writes | $5above 272,000 tokens: $7.50 | $0.60 |
| Speed | ||
| Tokens per second | 91 | 177 |
| Technical | ||
| Context windowhow much text the model reads at once | 1.05 M tokens≈ 1,580 A4 pages | 1 M tokens≈ 1,500 A4 pages |
| Knowledge cutoff | Jun 1, 2026 | n/a |
| Released | Oct 26, 2026 | Sep 10, 2026 |
| Availability | Active | Active |
| Open weights | no | yes |
- 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
- DeepSeek-V4.1-Flash: At peak times (Mon, Tue, Wed, Thu, Fri, 01:00-04:00 UTC; Mon, Tue, Wed, Thu, Fri, 06:00-10:00 UTC) the price is $0.30 input and $1.20 output per 1M tokens. The table shows the off-peak price.
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: DeepSeek-V4.1-Flash
CritPt v2Overall · higher is betterGPT-6.1 Terra: 4.9%DeepSeek-V4.1-Flash: 0.3%Artificial AnalysisAs of 10/29/2026
EMB v1.1Overall · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 73.3%DeepSeek-V4.1-Flash: 67.8%Vals AIAs of 10/26/2026
Finance Agent v2.1Overall · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 56%DeepSeek-V4.1-Flash: 65.4%Vals AIAs of 10/26/2026
FrontierCode 1.1 MainOverall · higher is betterGPT-6.1 Terra: 41.0%DeepSeek-V4.1-Flash: 40.8%Artificial AnalysisAs of 10/29/2026
GDPval-AAOverall · higher is betterGPT-6.1 Terra: 1,286.51 eloDeepSeek-V4.1-Flash: 1,349.33 eloArtificial AnalysisAs of 10/29/2026
Legal Research BenchOverall · All-pass · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 26%DeepSeek-V4.1-Flash: 41.3%Vals AIAs of 10/26/2026
MMMU-ProOverall · higher is betterGPT-6.1 Terra: 76.0%DeepSeek-V4.1-Flash: 65.6%Artificial AnalysisAs of 10/29/2026
Tax Agent BenchOverall · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 15.2%DeepSeek-V4.1-Flash: 26.6%Vals AIAs of 10/26/2026
Terminal-Bench 4.0Overall · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 49.5%DeepSeek-V4.1-Flash: 19.7%Vals AIAs of 10/26/2026
Vals Finance IndexOverall · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 52.9%DeepSeek-V4.1-Flash: 57.1%Vals AIAs of 10/26/2026
Show 54 more benchmarks
Vibe Code Bench v1.1Overall · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 84%DeepSeek-V4.1-Flash: 84.7%Vals AIAs of 10/26/2026
CritPt v2Overall · higher is betterGPT-6.1 Terra: 28.0%DeepSeek-V4.1-Flash: 14.3%Artificial AnalysisAs of 10/29/2026
EMB v1.1Comps · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 75.6%DeepSeek-V4.1-Flash: 68%Vals AIAs of 10/26/2026
Finance Agent v2.1Adjustments · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 50.6%DeepSeek-V4.1-Flash: 66.6%Vals AIAs of 10/26/2026
FrontierCode 1.1 MainOverall · higher is betterGPT-6.1 Terra: 36.0%DeepSeek-V4.1-Flash: 44.0%Artificial AnalysisAs of 10/29/2026
GDPval-AAOverall · higher is betterGPT-6.1 Terra: 1,476.05 eloDeepSeek-V4.1-Flash: 1,600 eloArtificial AnalysisAs of 10/29/2026
Legal Research BenchAdministrative / Regulatory · All-pass · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 45.5%DeepSeek-V4.1-Flash: 53%Vals AIAs of 10/26/2026
MMMU-ProOverall · higher is betterGPT-6.1 Terra: 84.7%DeepSeek-V4.1-Flash: 77.0%Artificial AnalysisAs of 10/29/2026
Tax Agent BenchControversy & Precedence Analysis · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 5.9%DeepSeek-V4.1-Flash: 3.3%Vals AIAs of 10/26/2026
Terminal-Bench 4.0Hardware · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 26.7%DeepSeek-V4.1-Flash: 0%Vals AIAs of 10/26/2026
Vals Finance IndexEMB v1.1 · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 73.3%DeepSeek-V4.1-Flash: 67.8%Vals AIAs of 10/26/2026
EMB v1.1Dataroom · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 86.3%DeepSeek-V4.1-Flash: 79.9%Vals AIAs of 10/26/2026
Finance Agent v2.1All-Pass · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 42.6%DeepSeek-V4.1-Flash: 51.7%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%DeepSeek-V4.1-Flash: 89.1%Vals AIAs of 10/26/2026
Tax Agent BenchControversy & Precedence Analysis · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 42.5%DeepSeek-V4.1-Flash: 52.8%Vals AIAs of 10/26/2026
Terminal-Bench 4.0Media · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 58.3%DeepSeek-V4.1-Flash: 8.3%Vals AIAs of 10/26/2026
Vals Finance IndexFinance Agent v2.1 · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 56%DeepSeek-V4.1-Flash: 65.4%Vals AIAs of 10/26/2026
EMB v1.1DCF · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 64.3%DeepSeek-V4.1-Flash: 59.9%Vals AIAs of 10/26/2026
Finance Agent v2.1Comparables · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 50.4%DeepSeek-V4.1-Flash: 55.8%Vals AIAs of 10/26/2026
Legal Research BenchBusiness & Commercial · All-pass · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 16.3%DeepSeek-V4.1-Flash: 39.5%Vals AIAs of 10/26/2026
Tax Agent BenchCurrent & Temporal Analysis · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 22.1%DeepSeek-V4.1-Flash: 39%Vals AIAs of 10/26/2026
Terminal-Bench 4.0ML · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 42.4%DeepSeek-V4.1-Flash: 24.2%Vals AIAs of 10/26/2026
Vals Finance IndexTax Agent Bench · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 15.2%DeepSeek-V4.1-Flash: 26.6%Vals AIAs of 10/26/2026
EMB v1.1LBO · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 64.1%DeepSeek-V4.1-Flash: 56.4%Vals AIAs of 10/26/2026
Finance Agent v2.1Disclosure Analysis · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 64.2%DeepSeek-V4.1-Flash: 76.9%Vals AIAs of 10/26/2026
Legal Research BenchBusiness & Commercial · Weighted partial credit · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 75.9%DeepSeek-V4.1-Flash: 86.7%Vals AIAs of 10/26/2026
Tax Agent BenchCurrent & Temporal Analysis · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 53.1%DeepSeek-V4.1-Flash: 71.9%Vals AIAs of 10/26/2026
Terminal-Bench 4.0Operations · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 40.7%DeepSeek-V4.1-Flash: 18.5%Vals AIAs of 10/26/2026
EMB v1.1M&A · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 80.7%DeepSeek-V4.1-Flash: 75.7%Vals AIAs of 10/26/2026
Finance Agent v2.1Earnings Analysis · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 83%DeepSeek-V4.1-Flash: 88.3%Vals AIAs of 10/26/2026
Legal Research BenchCivil Litigation · All-pass · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 14.8%DeepSeek-V4.1-Flash: 48.1%Vals AIAs of 10/26/2026
Tax Agent BenchFact-Pattern Analysis · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 16.1%DeepSeek-V4.1-Flash: 27.2%Vals AIAs of 10/26/2026
Terminal-Bench 4.0Science · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 54.8%DeepSeek-V4.1-Flash: 14.3%Vals AIAs of 10/26/2026
EMB v1.1Misc · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 67.5%DeepSeek-V4.1-Flash: 62.5%Vals AIAs of 10/26/2026
Finance Agent v2.1Financial Modeling · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 35.1%DeepSeek-V4.1-Flash: 46.8%Vals AIAs of 10/26/2026
Legal Research BenchCivil Litigation · Weighted partial credit · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 80.6%DeepSeek-V4.1-Flash: 87.1%Vals AIAs of 10/26/2026
Tax Agent BenchFact-Pattern Analysis · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 47.2%DeepSeek-V4.1-Flash: 60.6%Vals AIAs of 10/26/2026
Terminal-Bench 4.0Security · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 80%DeepSeek-V4.1-Flash: 6.7%Vals AIAs of 10/26/2026
EMB v1.1Operating · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 74.8%DeepSeek-V4.1-Flash: 71.9%Vals AIAs of 10/26/2026
Finance Agent v2.1General Qualitative Analysis · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 63.8%DeepSeek-V4.1-Flash: 73%Vals AIAs of 10/26/2026
Legal Research BenchConstitutional / Civil Rights · All-pass · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 23.7%DeepSeek-V4.1-Flash: 36.8%Vals AIAs of 10/26/2026
Tax Agent BenchForms & Filings · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 12.6%DeepSeek-V4.1-Flash: 12.3%Vals AIAs of 10/26/2026
Terminal-Bench 4.0Software · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 50%DeepSeek-V4.1-Flash: 33.3%Vals AIAs of 10/26/2026
EMB v1.1Scratch · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 70.3%DeepSeek-V4.1-Flash: 65.2%Vals AIAs of 10/26/2026
Finance Agent v2.1General Quantitative Analysis · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 74.4%DeepSeek-V4.1-Flash: 76.5%Vals AIAs of 10/26/2026
Legal Research BenchConstitutional / Civil Rights · Weighted partial credit · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 78%DeepSeek-V4.1-Flash: 85.7%Vals AIAs of 10/26/2026
Tax Agent BenchForms & Filings · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 51.7%DeepSeek-V4.1-Flash: 56.8%Vals AIAs of 10/26/2026
EMB v1.1Template · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 76.3%DeepSeek-V4.1-Flash: 70.2%Vals AIAs of 10/26/2026
Finance Agent v2.1Market Analysis · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 56.3%DeepSeek-V4.1-Flash: 67.1%Vals AIAs of 10/26/2026
Legal Research BenchCriminal · All-pass · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 17.5%DeepSeek-V4.1-Flash: 33.3%Vals AIAs of 10/26/2026
Tax Agent BenchNumbers & Calculations · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 19.1%DeepSeek-V4.1-Flash: 38%Vals AIAs of 10/26/2026
Finance Agent v2.1Precedents · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 25.8%DeepSeek-V4.1-Flash: 37.9%Vals AIAs of 10/26/2026
Legal Research BenchCriminal · Weighted partial credit · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 76.2%DeepSeek-V4.1-Flash: 79.3%Vals AIAs of 10/26/2026
Tax Agent BenchNumbers & Calculations · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 63.9%DeepSeek-V4.1-Flash: 76.6%Vals AIAs of 10/26/2026
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