Model Comparison

V3.1 Terminus (Non-reasoning)
vs. KAT Coder Pro V2

Comparing 2 AI models · 10 benchmarks · DeepSeek, KwaiKAT

Recommended Pick

KwaiKAT logo KAT Coder Pro V2 11 metric wins

Strongest on: Throughput, Reasoning, Intelligence

Best Value

DeepSeek logo

V3.1 Terminus (Non-reasoning)

100.0 value score

43.9 reasoning / $0.45/1M

Lowest Price

DeepSeek logo

V3.1 Terminus (Non-reasoning)

$0.27/1M input price

Best Reasoning

KwaiKAT logo

KAT Coder Pro V2

48.4 reasoning score

Blends available reasoning benchmarks

Best for Coding

KwaiKAT logo

KAT Coder Pro V2

45.6 coding index

Composite Indices

Higher is better; speed and price are normalized

Standard Benchmarks

Only benchmarks with data are shown

Differences That Matter

Best value

V3.1 Terminus (Non-reasoning) has the strongest quality-to-price mix at 100.0 out of 100 value points.

Price gap

V3.1 Terminus (Non-reasoning) is 1.1x cheaper on input tokens than KAT Coder Pro V2.

Reasoning gap

KAT Coder Pro V2 leads V3.1 Terminus (Non-reasoning) by 4.6 points on reasoning.

Coding gap

KAT Coder Pro V2 leads V3.1 Terminus (Non-reasoning) by 13.7 points on coding.

Top-pick rationale

KAT Coder Pro V2 wins 11 measurable categories, including Throughput, Reasoning, Intelligence, Coding.

Live compare

Response Face-Off

Run one prompt through the selected models and compare response quality with live speed and cost context.

DeepSeek logo

V3.1 Terminus (Non-reasoning)

DeepSeek

Waiting

TTFT

Time

tok/s

Tokens

Cost

Waiting
KwaiKAT logo

KAT Coder Pro V2

KwaiKAT

Waiting

TTFT

Time

tok/s

Tokens

Cost

Waiting

Which answer was more useful?

AI Chat

Chat with 80+ models

Inference API

EU-hosted inference

Full Comparison

Metric
DeepSeek logo V3.1 Terminus (Non-reasoning)
DeepSeek
Top Pick
KwaiKAT logo KAT Coder Pro V2
KwaiKAT
Pricing per 1M tokens
Input Cost $0.27/1M$0.30/1M
Output Cost $1.00/1M$1.20/1M
Blended (3:1) $0.45/1M$0.52/1M
Specifications
Organization DeepSeekKwaiKAT
Release Date Sep 22, 2025Mar 27, 2026
Performance & Speed
Throughput 117.4 tok/s
TTFT 917ms
Latency 917ms
Composite Indices
Value Score 100.095.1
Reasoning Score 43.948.4
Intelligence 28.543.8
Coding 31.945.6
Math 53.7
Standard Benchmarks
GPQA 75.1%85.5%
MMLU Pro 83.6%
HLE 8.4%16.0%
LiveCodeBench 52.9%
AIME 2025 53.7%
SciCode 32.1%38.3%
LCR 43.3%66.0%
IFBench 41.2%66.7%
TAU-bench v2 37.1%89.5%
TerminalBench Hard 31.8%49.2%

Key Takeaways

V3.1 Terminus (Non-reasoning) offers the best value at $0.27/1M, making it ideal for high-volume applications and cost-conscious projects.

KAT Coder Pro V2 has the strongest reasoning profile with a 48.4 reasoning score, combining the available reasoning-heavy benchmarks.

KAT Coder Pro V2 reaches a 45.6 coding index, making it the top choice for software development and code generation tasks.

All models support context windows of ∞+ tokens, suitable for processing lengthy documents and maintaining extended conversations.

When to Choose Each Model

DeepSeek logo

V3.1 Terminus (Non-reasoning)

  • Cost-sensitive applications
  • High-volume processing
KwaiKAT logo

KAT Coder Pro V2

  • Complex reasoning tasks
  • Research & analysis
  • Code generation
  • Software development