GPT-6.1 Terravs.GLM-5.3-Flash
Which one is better?
GPT-6.1 Terra is clearly ahead in the overall index, but costs 6.7 times (input) and 10 times (output) as much per token.
67
GPT-6.1 Terra
Rank 12 to 27
34
GLM-5.3-Flash
Rank 32 to 41
91
GPT-6.1 Terra
fairly slow
78
GLM-5.3-Flash
fairly slow
$2
GPT-6.1 Terra
fairly expensive
$0.24
GLM-5.3-Flash
cheap
GPT-6.1 Terra
- Subscription
Subscriptions in Germany: n/a
- Via API
$1 input, $5 output per 1M tokens.
GLM-5.3-Flash
- Subscription
At Z.ai from ≈ €19.08 a month (GLM Coding Plan Lite, with limited credits). Through other providers from ≈ €1.06 a month (Command Code Go, with limited credits). 26 plans in Germany.
- Via API
$0.15 input, $0.50 output per 1M tokens, unchanged since Aug 29, 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: 4GLM-5.3-Flash ahead: 1level: 2too little data: 3of 10 areas
AreaGPT-6.1 TerraGLM-5.3-Flash0 to 100, higher is betterResult
Areas in the overall index
CodingGPT-6.1 Terra aheadGPT-6.1 Terra: 84GLM-5.3-Flash: 39
ReasoningGPT-6.1 Terra aheadGPT-6.1 Terra: 88GLM-5.3-Flash: 18
Mathematicsonly GLM-5.3-Flash has a scoreGPT-6.1 Terra: not enough dataGLM-5.3-Flash: 28
KnowledgeGPT-6.1 Terra aheadGPT-6.1 Terra: 80GLM-5.3-Flash: 21
AgentslevelGPT-6.1 Terra: 57GLM-5.3-Flash: 25
Generalonly GLM-5.3-Flash has a scoreGPT-6.1 Terra: not enough dataGLM-5.3-Flash: 27
MultimodalGPT-6.1 Terra aheadGPT-6.1 Terra: 70GLM-5.3-Flash: 41
Specialist fields
FinancelevelGPT-6.1 Terra: 45GLM-5.3-Flash: 50
LegalGLM-5.3-Flash aheadGPT-6.1 Terra: 8GLM-5.3-Flash: 51
Healthonly GLM-5.3-Flash has a scoreGPT-6.1 Terra: not enough dataGLM-5.3-Flash: 56
Show 2 more areas that do not count toward the overall index
AreaGPT-6.1 TerraGLM-5.3-Flash0 to 100, higher is betterResult
Cybersecurityonly GLM-5.3-Flash has a scoreGPT-6.1 Terra: not enough dataGLM-5.3-Flash: 42
Educationonly GLM-5.3-Flash has a scoreGPT-6.1 Terra: not enough dataGLM-5.3-Flash: 63
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
GLM-5.3-Flash
Reasoning (requested): high
Current attempt
- Run date
- Oct 1, 2026
- API provider
- openrouter
- Requested API model
- z-ai/glm-5.3-flash
- API model reported in response
- z-ai/glm-5.3-flash
- Reasoning setting
- high
- Pinned endpoint
- Z.AI | z-ai/glm-5.3-flash-20260826
- Temperature
- Provider default
- Token limit including reasoning
- 8,192 tokens
- Test protocol
- community-visual-tests-v1
- Technical checks
- Passed, not a quality rating
- Response time
- 49.7 s
Visually reviewed. This individual test does not establish overall model quality.
Earlier attempts (1)
- 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.
| Metric | GPT-6.1 Terra | GLM-5.3-Flash |
|---|---|---|
| Intelligence | ||
| Overall index0 to 100, higher is better | 67 | 34 |
| Rank | Rank 12 to 27 of 95 | Rank 32 to 41 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 | $0.50 |
| Speed | ||
| Tokens per second | 91 | 78 |
| 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 | Aug 26, 2026 |
| Availability | Active | Open Source |
| 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
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: GLM-5.3-Flash
EMB v1.1Overall · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 73.3%GLM-5.3-Flash: 66.3%Vals AIAs of 10/26/2026
Finance Agent v2.1Overall · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 56%GLM-5.3-Flash: 60.6%Vals AIAs of 10/26/2026
HLAB-Vals-1.1Overall · Task fully resolved · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 1.7%GLM-5.3-Flash: 10.4%Vals AIAs of 10/26/2026
Legal Research BenchOverall · All-pass · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 26%GLM-5.3-Flash: 45.2%Vals AIAs of 10/26/2026
Tax Agent BenchOverall · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 15.2%GLM-5.3-Flash: 31.6%Vals AIAs of 10/26/2026
Terminal-Bench 4.0Overall · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 49.5%GLM-5.3-Flash: 37.4%Vals AIAs of 10/26/2026
Vals Finance IndexOverall · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 52.9%GLM-5.3-Flash: 55.8%Vals AIAs of 10/26/2026
Vals IndexOverall · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 60.5%GLM-5.3-Flash: 50.9%Vals AIAs of 10/27/2026
Vals Legal IndexOverall · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 58.6%GLM-5.3-Flash: 71.1%Vals AIAs of 10/26/2026
Vibe Code Bench v1.1Overall · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 84%GLM-5.3-Flash: 30.8%Vals AIAs of 10/26/2026
Show 54 more benchmarks
EMB v1.1Comps · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 75.6%GLM-5.3-Flash: 67.7%Vals AIAs of 10/26/2026
Finance Agent v2.1Adjustments · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 50.6%GLM-5.3-Flash: 57.6%Vals AIAs of 10/26/2026
HLAB-Vals-1.1Antitrust Competition · Criteria passed · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 83%GLM-5.3-Flash: 92.6%Vals AIAs of 10/26/2026
Legal Research BenchAdministrative / Regulatory · All-pass · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 45.5%GLM-5.3-Flash: 57.6%Vals AIAs of 10/26/2026
Tax Agent BenchControversy & Precedence Analysis · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 5.9%GLM-5.3-Flash: 10%Vals AIAs of 10/26/2026
Terminal-Bench 4.0Hardware · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 26.7%GLM-5.3-Flash: 20%Vals AIAs of 10/26/2026
Vals Finance IndexEMB v1.1 · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 73.3%GLM-5.3-Flash: 66.3%Vals AIAs of 10/26/2026
Vals IndexCode Migration v1.1 · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 72.2%GLM-5.3-Flash: 50.6%Vals AIAs of 10/27/2026
Vals Legal IndexBusiness & Commercial · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 51.6%GLM-5.3-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%GLM-5.3-Flash: 80.3%Vals AIAs of 10/26/2026
Finance Agent v2.1All-Pass · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 42.6%GLM-5.3-Flash: 47.8%Vals AIAs of 10/26/2026
HLAB-Vals-1.1Antitrust Competition · Task fully resolved · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 0%GLM-5.3-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%GLM-5.3-Flash: 90.8%Vals AIAs of 10/26/2026
Tax Agent BenchControversy & Precedence Analysis · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 42.5%GLM-5.3-Flash: 52.4%Vals AIAs of 10/26/2026
Terminal-Bench 4.0Media · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 58.3%GLM-5.3-Flash: 25%Vals AIAs of 10/26/2026
Vals Finance IndexFinance Agent v2.1 · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 56%GLM-5.3-Flash: 60.6%Vals AIAs of 10/26/2026
Vals IndexEMB v1.1 · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 73.3%GLM-5.3-Flash: 66.3%Vals AIAs of 10/27/2026
Vals Legal IndexCivil Negligence · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 50.5%GLM-5.3-Flash: 66.4%Vals AIAs of 10/26/2026
EMB v1.1DCF · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 64.3%GLM-5.3-Flash: 65.3%Vals AIAs of 10/26/2026
Finance Agent v2.1Comparables · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 50.4%GLM-5.3-Flash: 53.1%Vals AIAs of 10/26/2026
HLAB-Vals-1.1Arbitration International Dispute Resolution · Criteria passed · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 88.4%GLM-5.3-Flash: 93.4%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%GLM-5.3-Flash: 44.2%Vals AIAs of 10/26/2026
Tax Agent BenchCurrent & Temporal Analysis · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 22.1%GLM-5.3-Flash: 43.2%Vals AIAs of 10/26/2026
Terminal-Bench 4.0ML · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 42.4%GLM-5.3-Flash: 51.5%Vals AIAs of 10/26/2026
Vals Finance IndexTax Agent Bench · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 15.2%GLM-5.3-Flash: 31.6%Vals AIAs of 10/26/2026
Vals IndexFinance Agent v2.1 · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 56%GLM-5.3-Flash: 60.6%Vals AIAs of 10/27/2026
Vals Legal IndexCriminal · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 51.3%GLM-5.3-Flash: 60.9%Vals AIAs of 10/26/2026
EMB v1.1LBO · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 64.1%GLM-5.3-Flash: 50%Vals AIAs of 10/26/2026
Finance Agent v2.1Disclosure Analysis · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 64.2%GLM-5.3-Flash: 70.5%Vals AIAs of 10/26/2026
HLAB-Vals-1.1Arbitration International Dispute Resolution · Task fully resolved · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 0%GLM-5.3-Flash: 20%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%GLM-5.3-Flash: 91.3%Vals AIAs of 10/26/2026
Tax Agent BenchCurrent & Temporal Analysis · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 53.1%GLM-5.3-Flash: 61.4%Vals AIAs of 10/26/2026
Terminal-Bench 4.0Operations · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 40.7%GLM-5.3-Flash: 14.8%Vals AIAs of 10/26/2026
Vals IndexHLAB-Vals-1.1 · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 1.7%GLM-5.3-Flash: 10.4%Vals AIAs of 10/27/2026
Vals Legal IndexFamily · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 4.5%GLM-5.3-Flash: 27.3%Vals AIAs of 10/26/2026
EMB v1.1M&A · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 80.7%GLM-5.3-Flash: 73.6%Vals AIAs of 10/26/2026
Finance Agent v2.1Earnings Analysis · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 83%GLM-5.3-Flash: 84.3%Vals AIAs of 10/26/2026
HLAB-Vals-1.1Banking Finance · Criteria passed · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 90.1%GLM-5.3-Flash: 93.5%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%GLM-5.3-Flash: 40.7%Vals AIAs of 10/26/2026
Tax Agent BenchFact-Pattern Analysis · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 16.1%GLM-5.3-Flash: 27.8%Vals AIAs of 10/26/2026
Terminal-Bench 4.0Science · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 54.8%GLM-5.3-Flash: 33.3%Vals AIAs of 10/26/2026
Vals IndexLegal Research · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 26%GLM-5.3-Flash: 45.2%Vals AIAs of 10/27/2026
Vals Legal IndexHLAB Criteria Pass · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 87.2%GLM-5.3-Flash: 91.6%Vals AIAs of 10/26/2026
EMB v1.1Misc · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 67.5%GLM-5.3-Flash: 56.7%Vals AIAs of 10/26/2026
Finance Agent v2.1Financial Modeling · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 35.1%GLM-5.3-Flash: 23.3%Vals AIAs of 10/26/2026
HLAB-Vals-1.1Banking Finance · Task fully resolved · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 0%GLM-5.3-Flash: 0%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%GLM-5.3-Flash: 89.6%Vals AIAs of 10/26/2026
Tax Agent BenchFact-Pattern Analysis · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 47.2%GLM-5.3-Flash: 57.3%Vals AIAs of 10/26/2026
Terminal-Bench 4.0Security · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 80%GLM-5.3-Flash: 93.3%Vals AIAs of 10/26/2026
Vals IndexTax Agent · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 15.2%GLM-5.3-Flash: 31.6%Vals AIAs of 10/27/2026
Vals Legal IndexLabor & Employment · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 82.4%GLM-5.3-Flash: 84.6%Vals AIAs of 10/26/2026
EMB v1.1Operating · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 74.8%GLM-5.3-Flash: 70.1%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%GLM-5.3-Flash: 71.4%Vals AIAs of 10/26/2026
HLAB-Vals-1.1Bankruptcy Restructuring · Criteria passed · higher is betterTest setup not documented as identicalGPT-6.1 Terra: 83.4%GLM-5.3-Flash: 88.4%Vals AIAs of 10/26/2026
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