Model Comparison

V3.1 Terminus (Non-reasoning)
vs. GLM-5.1 (Non-reasoning)

Comparing 2 AI models · 10 benchmarks · DeepSeek, Z AI

Recommended Pick

Z AI logo GLM-5.1 (Non-reasoning) 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

Z AI logo

GLM-5.1 (Non-reasoning)

51.1 reasoning score

Blends available reasoning benchmarks

Best for Coding

Z AI logo

GLM-5.1 (Non-reasoning)

35.8 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 5.2x cheaper on input tokens than GLM-5.1 (Non-reasoning).

Reasoning gap

GLM-5.1 (Non-reasoning) leads V3.1 Terminus (Non-reasoning) by 7.2 points on reasoning.

Coding gap

GLM-5.1 (Non-reasoning) leads V3.1 Terminus (Non-reasoning) by 3.9 points on coding.

Top-pick rationale

GLM-5.1 (Non-reasoning) 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
Z AI logo

GLM-5.1 (Non-reasoning)

Z AI

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
Z AI logo GLM-5.1 (Non-reasoning)
Z AI
Pricing per 1M tokens
Input Cost $0.27/1M$1.40/1M
Output Cost $1.00/1M$4.40/1M
Blended (3:1) $0.45/1M$2.15/1M
Specifications
Organization DeepSeekZ AI
Release Date Sep 22, 2025Apr 7, 2026
Performance & Speed
Throughput 67.9 tok/s
TTFT 775ms
Latency 775ms
Composite Indices
Value Score 100.024.5
Reasoning Score 43.951.1
Intelligence 28.543.8
Coding 31.935.8
Math 53.7
Standard Benchmarks
GPQA 75.1%83.9%
MMLU Pro 83.6%
HLE 8.4%25.6%
LiveCodeBench 52.9%
AIME 2025 53.7%
SciCode 32.1%36.1%
LCR 43.3%44.3%
IFBench 41.2%52.0%
TAU-bench v2 37.1%97.1%
TerminalBench Hard 31.8%35.6%

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.

GLM-5.1 (Non-reasoning) has the strongest reasoning profile with a 51.1 reasoning score, combining the available reasoning-heavy benchmarks.

GLM-5.1 (Non-reasoning) reaches a 35.8 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
Z AI logo

GLM-5.1 (Non-reasoning)

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