Model Comparison

GLM-5.1 (Reasoning)
vs. Qwen3 Coder Next

Comparing 2 AI models · 7 benchmarks · Z AI, Alibaba

Recommended Pick

Z AI logo GLM-5.1 (Reasoning) 11 metric wins

Strongest on: TTFT, Reasoning, Intelligence

Best Value

Alibaba logo

Qwen3 Coder Next

100.0 value score

37.1 reasoning / $0.56/1M

Lowest Price

Alibaba logo

Qwen3 Coder Next

$0.35/1M input price

Best Reasoning

Z AI logo

GLM-5.1 (Reasoning)

55.4 reasoning score

Blends available reasoning benchmarks

Best for Coding

Z AI logo

GLM-5.1 (Reasoning)

43.4 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

Qwen3 Coder Next has the strongest quality-to-price mix at 100.0 out of 100 value points.

Price gap

Qwen3 Coder Next is 4.0x cheaper on input tokens than GLM-5.1 (Reasoning).

Speed gap

Qwen3 Coder Next generates about 1.1x as many tokens per second as GLM-5.1 (Reasoning).

Reasoning gap

GLM-5.1 (Reasoning) leads Qwen3 Coder Next by 18.3 points on reasoning.

Coding gap

GLM-5.1 (Reasoning) leads Qwen3 Coder Next by 20.5 points on coding.

Live compare

Response Face-Off

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

Z AI logo

GLM-5.1 (Reasoning)

Z AI

Waiting

TTFT

Time

tok/s

Tokens

Cost

Waiting
Alibaba logo

Qwen3 Coder Next

Alibaba

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
Top Pick
Z AI logo GLM-5.1 (Reasoning)
Z AI
Alibaba logo Qwen3 Coder Next
Alibaba
Pricing per 1M tokens
Input Cost $1.40/1M$0.35/1M
Output Cost $4.40/1M$1.20/1M
Blended (3:1) $2.15/1M$0.56/1M
Specifications
Organization Z AIAlibaba
Release Date Apr 7, 2026Feb 3, 2026
Performance & Speed
Throughput 70.5 tok/s80.7 tok/s
TTFT 875ms1240ms
Latency 54648ms1240ms
Composite Indices
Value Score 39.1100.0
Reasoning Score 55.437.1
Intelligence 51.428.3
Coding 43.422.9
Standard Benchmarks
GPQA 86.8%73.7%
HLE 28.0%9.3%
SciCode 43.8%32.3%
LCR 62.3%40.0%
IFBench 76.3%35.2%
TAU-bench v2 97.7%79.5%
TerminalBench Hard 43.2%18.2%

Key Takeaways

Qwen3 Coder Next offers the best value at $0.35/1M, making it ideal for high-volume applications and cost-conscious projects.

GLM-5.1 (Reasoning) has the strongest reasoning profile with a 55.4 reasoning score, combining the available reasoning-heavy benchmarks.

GLM-5.1 (Reasoning) reaches a 43.4 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

Z AI logo

GLM-5.1 (Reasoning)

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

Qwen3 Coder Next

  • Cost-sensitive applications
  • High-volume processing