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GPT-5.4 minivs.Kimi K3.1 Pro

Which one is better?

Kimi K3.1 Pro is clearly ahead in the overall index, but costs 2.7 times (input) and 2.2 times (output) as much per token.

IntelligenceOverall index, 0 to 100 · higher is better
5

GPT-5.4 mini

Rank 54 to 60

80

Kimi K3.1 Pro

Rank 10 to 13

SpeedTokens per second · higher is better
230

GPT-5.4 mini

fast

36

Kimi K3.1 Pro

slow

PriceDollars per 1M tokens · lower is better
$1.69

GPT-5.4 mini

fairly expensive

$4

Kimi K3.1 Pro

fairly expensive

GPT-5.4 mini

Subscription

No OpenAI subscription includes this model. Through other providers from ≈ €6.36 a month (ElevenLabs Starter, with limited credits). 36 plans in Germany.

Via API

$0.75 input, $4.50 output per 1M tokens, unchanged since our price tracking began on Aug 14, 2026.

Kimi K3.1 Pro

Subscription

At Moonshot AI from ≈ €20.14 a month (Kimi Plus, with limited credits). 4 plans in Germany.

Via API

$2 input, $10 output per 1M tokens.

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-5.4 mini ahead: 0Kimi K3.1 Pro ahead: 8level: 0too little data: 1of 9 areas

GPT-5.4 miniKimi K3.1 Pro0 to 100, higher is better
Areas in the overall index
CodingKimi K3.1 Pro aheadGPT-5.4 mini: 5Kimi K3.1 Pro: 85
ReasoningKimi K3.1 Pro aheadGPT-5.4 mini: 7Kimi K3.1 Pro: 80
Mathematicsonly Kimi K3.1 Pro has a scoreGPT-5.4 mini: not enough dataKimi K3.1 Pro: 81
KnowledgeKimi K3.1 Pro aheadGPT-5.4 mini: 4Kimi K3.1 Pro: 85
AgentsKimi K3.1 Pro aheadGPT-5.4 mini: 9Kimi K3.1 Pro: 80
GeneralKimi K3.1 Pro aheadGPT-5.4 mini: 11Kimi K3.1 Pro: 74
MultimodalKimi K3.1 Pro aheadGPT-5.4 mini: 6Kimi K3.1 Pro: 75
Specialist fields
FinanceKimi K3.1 Pro aheadGPT-5.4 mini: 5Kimi K3.1 Pro: 62
LegalKimi K3.1 Pro aheadGPT-5.4 mini: 3Kimi K3.1 Pro: 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-5.4 mini

GPT-5.4 mini: Pelican on a bicycle
A community classic for free-form SVG drawing.

Reasoning (requested): high

Current attempt
Run date
Oct 2, 2026
API provider
openrouter
Requested API model
openai/gpt-5.4-mini
API model reported in response
openai/gpt-5.4-mini
Reasoning setting
high
Pinned endpoint
OpenAI | openai/gpt-5.4-mini-20260317
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
13.5 s

Visually reviewed. This individual test does not establish overall model quality.

Earlier attempts (2)
  • Oct 1, 2026API request failedReasoning setting: high
  • Sep 7, 2026API request failedReasoning setting: high

Kimi K3.1 Pro

Not tested yet

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-5.4 miniKimi K3.1 Pro
Intelligence
Overall index0 to 100, higher is better580
RankRank 54 to 60 of 95Rank 10 to 13 of 95
Price per 1M tokens
Inputwhat you send$0.75$2
Outputwhat the model writes$4.50$10
Speed
Tokens per second23036
Technical
Context windowhow much text the model reads at once400,000 tokens≈ 600 A4 pages1.05 M tokens≈ 1,570 A4 pages
Knowledge cutoffAug 31, 2025n/a
ReleasedMar 17, 2026Oct 23, 2026
AvailabilityActiveActive
Open weightsnon/a
  • Kimi K3.1 Pro, API price listed by Artificial Analysis: $2 input, $10 output, and $0.20 cached input per 1 million tokens. Kimi's official API publishes CNY rates separately. Source
  • Kimi K3.1 Pro, Official API pricing: K3.1 Pro: CNY 13 input, CNY 68 output, CNY 13 cache write, and CNY 1.30 cache hit per million tokens. Source
  • Kimi K3.1 Pro, Highspeed API pricing: CNY 26 input, CNY 136 output, CNY 26 cache write, and CNY 1.30 cache hit per million tokens. Source
  • Kimi K3.1 Pro, International API pricing in USD: The international Kimi platform lists $2 input, $10 output, $2 cache write and $0.20 cache hit per million tokens. Highspeed costs $4/$20/$4/$0.20. Checked October 29, 2026. Separately documented CNY tariffs remain separate observations. 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-5.4 miniB: Kimi K3.1 Pro

Legal Research BenchOverall · All-pass · higher is betterTest setup not documented as identicalGPT-5.4 mini: 12.5%Kimi K3.1 Pro: 37.5%Vals AIAs of 10/26/2026
Tax Agent BenchOverall · higher is betterTest setup not documented as identicalGPT-5.4 mini: 8.8%Kimi K3.1 Pro: 24.9%Vals AIAs of 10/26/2026
Terminal-Bench 4.0Overall · higher is betterTest setup not documented as identicalGPT-5.4 mini: 2.5%Kimi K3.1 Pro: 63.6%Vals AIAs of 10/26/2026
Vibe Code Bench v1.1Overall · higher is betterTest setup not documented as identicalGPT-5.4 mini: 48%Kimi K3.1 Pro: 84.9%Vals AIAs of 10/26/2026
Legal Research BenchAdministrative / Regulatory · All-pass · higher is betterTest setup not documented as identicalGPT-5.4 mini: 15.2%Kimi K3.1 Pro: 56.1%Vals AIAs of 10/26/2026
Tax Agent BenchControversy & Precedence Analysis · higher is betterTest setup not documented as identicalGPT-5.4 mini: 3.3%Kimi K3.1 Pro: 10%Vals AIAs of 10/26/2026
Terminal-Bench 4.0Hardware · higher is betterTest setup not documented as identicalGPT-5.4 mini: 0%Kimi K3.1 Pro: 40%Vals AIAs of 10/26/2026
Legal Research BenchAdministrative / Regulatory · Weighted partial credit · higher is betterTest setup not documented as identicalGPT-5.4 mini: 69.7%Kimi K3.1 Pro: 81.9%Vals AIAs of 10/26/2026
Tax Agent BenchControversy & Precedence Analysis · higher is betterTest setup not documented as identicalGPT-5.4 mini: 32.2%Kimi K3.1 Pro: 58%Vals AIAs of 10/26/2026
Terminal-Bench 4.0Media · higher is betterTest setup not documented as identicalGPT-5.4 mini: 0%Kimi K3.1 Pro: 58.3%Vals AIAs of 10/26/2026
Show 31 more benchmarks
Legal Research BenchBusiness & Commercial · All-pass · higher is betterTest setup not documented as identicalGPT-5.4 mini: 11.6%Kimi K3.1 Pro: 27.9%Vals AIAs of 10/26/2026
Tax Agent BenchCurrent & Temporal Analysis · higher is betterTest setup not documented as identicalGPT-5.4 mini: 10%Kimi K3.1 Pro: 36.7%Vals AIAs of 10/26/2026
Terminal-Bench 4.0ML · higher is betterTest setup not documented as identicalGPT-5.4 mini: 0%Kimi K3.1 Pro: 81.8%Vals AIAs of 10/26/2026
Legal Research BenchBusiness & Commercial · Weighted partial credit · higher is betterTest setup not documented as identicalGPT-5.4 mini: 71.2%Kimi K3.1 Pro: 66.3%Vals AIAs of 10/26/2026
Tax Agent BenchCurrent & Temporal Analysis · higher is betterTest setup not documented as identicalGPT-5.4 mini: 38.6%Kimi K3.1 Pro: 64.8%Vals AIAs of 10/26/2026
Terminal-Bench 4.0Operations · higher is betterTest setup not documented as identicalGPT-5.4 mini: 0%Kimi K3.1 Pro: 55.6%Vals AIAs of 10/26/2026
Legal Research BenchCivil Litigation · All-pass · higher is betterTest setup not documented as identicalGPT-5.4 mini: 14.8%Kimi K3.1 Pro: 29.6%Vals AIAs of 10/26/2026
Tax Agent BenchFact-Pattern Analysis · higher is betterTest setup not documented as identicalGPT-5.4 mini: 7%Kimi K3.1 Pro: 27.9%Vals AIAs of 10/26/2026
Terminal-Bench 4.0Science · higher is betterTest setup not documented as identicalGPT-5.4 mini: 2.4%Kimi K3.1 Pro: 73.8%Vals AIAs of 10/26/2026
Legal Research BenchCivil Litigation · Weighted partial credit · higher is betterTest setup not documented as identicalGPT-5.4 mini: 67.3%Kimi K3.1 Pro: 75.8%Vals AIAs of 10/26/2026
Tax Agent BenchFact-Pattern Analysis · higher is betterTest setup not documented as identicalGPT-5.4 mini: 36.5%Kimi K3.1 Pro: 68.8%Vals AIAs of 10/26/2026
Terminal-Bench 4.0Security · higher is betterTest setup not documented as identicalGPT-5.4 mini: 0%Kimi K3.1 Pro: 73.3%Vals AIAs of 10/26/2026
Legal Research BenchConstitutional / Civil Rights · All-pass · higher is betterTest setup not documented as identicalGPT-5.4 mini: 13.2%Kimi K3.1 Pro: 31.6%Vals AIAs of 10/26/2026
Tax Agent BenchForms & Filings · higher is betterTest setup not documented as identicalGPT-5.4 mini: 3.3%Kimi K3.1 Pro: 13.3%Vals AIAs of 10/26/2026
Terminal-Bench 4.0Software · higher is betterTest setup not documented as identicalGPT-5.4 mini: 7.4%Kimi K3.1 Pro: 53.7%Vals AIAs of 10/26/2026
Legal Research BenchConstitutional / Civil Rights · Weighted partial credit · higher is betterTest setup not documented as identicalGPT-5.4 mini: 74.1%Kimi K3.1 Pro: 74.5%Vals AIAs of 10/26/2026
Tax Agent BenchForms & Filings · higher is betterTest setup not documented as identicalGPT-5.4 mini: 33.5%Kimi K3.1 Pro: 61.9%Vals AIAs of 10/26/2026
Legal Research BenchCriminal · All-pass · higher is betterTest setup not documented as identicalGPT-5.4 mini: 5.3%Kimi K3.1 Pro: 28.1%Vals AIAs of 10/26/2026
Tax Agent BenchNumbers & Calculations · higher is betterTest setup not documented as identicalGPT-5.4 mini: 20%Kimi K3.1 Pro: 30%Vals AIAs of 10/26/2026
Legal Research BenchCriminal · Weighted partial credit · higher is betterTest setup not documented as identicalGPT-5.4 mini: 64.4%Kimi K3.1 Pro: 69.7%Vals AIAs of 10/26/2026
Tax Agent BenchNumbers & Calculations · higher is betterTest setup not documented as identicalGPT-5.4 mini: 52.3%Kimi K3.1 Pro: 72.9%Vals AIAs of 10/26/2026
Legal Research BenchFamily · All-pass · higher is betterTest setup not documented as identicalGPT-5.4 mini: 0%Kimi K3.1 Pro: 13.6%Vals AIAs of 10/26/2026
Tax Agent BenchRule & Source Lookup · higher is betterTest setup not documented as identicalGPT-5.4 mini: 10%Kimi K3.1 Pro: 30%Vals AIAs of 10/26/2026
Legal Research BenchFamily · Weighted partial credit · higher is betterTest setup not documented as identicalGPT-5.4 mini: 51.6%Kimi K3.1 Pro: 63.6%Vals AIAs of 10/26/2026
Tax Agent BenchRule & Source Lookup · higher is betterTest setup not documented as identicalGPT-5.4 mini: 26.5%Kimi K3.1 Pro: 53.8%Vals AIAs of 10/26/2026
Legal Research BenchHealth · All-pass · higher is betterTest setup not documented as identicalGPT-5.4 mini: 16.7%Kimi K3.1 Pro: 73.3%Vals AIAs of 10/26/2026
Tax Agent BenchWeighted Pass · higher is betterTest setup not documented as identicalGPT-5.4 mini: 36.6%Kimi K3.1 Pro: 63.7%Vals AIAs of 10/26/2026
Legal Research BenchHealth · Weighted partial credit · higher is betterTest setup not documented as identicalGPT-5.4 mini: 73.8%Kimi K3.1 Pro: 90.5%Vals AIAs of 10/26/2026
Legal Research BenchImmigration · All-pass · higher is betterTest setup not documented as identicalGPT-5.4 mini: 18.2%Kimi K3.1 Pro: 18.2%Vals AIAs of 10/26/2026
Legal Research BenchImmigration · Weighted partial credit · higher is betterTest setup not documented as identicalGPT-5.4 mini: 68.4%Kimi K3.1 Pro: 32.7%Vals AIAs of 10/26/2026
Legal Research BenchOverall · Weighted partial credit · higher is betterTest setup not documented as identicalGPT-5.4 mini: 67.3%Kimi K3.1 Pro: 71.4%Vals AIAs of 10/26/2026

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