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GLM-5.3 vs Qwen3.8-27B

GLM-5.3 leads the LLM Stats Score 52.7 to 45.1. Qwen3.8-27B is 1.8x cheaper per token.

Zhipu AI · Alibaba Cloud / Qwen Team · Updated for 2026

Which is better?

GLM-5.3 leads the overall LLM Stats Score 52.7 to 45.1, ranking #9 overall.

In the 5 individual benchmarks reported for both models, GLM-5.3 wins 4; this is a narrower head-to-head signal than the composite indexes.

On price, Qwen3.8-27B is roughly 1.8x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

GLM-5.3 also accepts a larger context window (1,048,576 input tokens), making it the stronger choice for long documents and large codebases.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose GLM-5.3

  • overall performance matters — it scores 52.7 and ranks #9 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 4 of 5 exact shared results
  • you process long inputs — it offers a 1,048,576 token context window

Choose Qwen3.8-27B

  • cost matters — it's about 1.8x cheaper per token

At a glance

The differences that matter most.

Core performance indexes
52.7
#9
45.1
#31
51.9
#6
44.7
#32
42.6
#7
31.6
#41
39.4
#8
30.9
#33
Cost, coverage & limits
Benchmark wins
4 of 5
1 of 5
Input price
$1.20 / M
$0.40 / M
Output price
$4.00 / M
$3.00 / M
Context window
1,048,576
262,144

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
GLM-5.3
Qwen3.8-27B
33.4#5
23.2#43
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

17 reported for GLM-5.3 · 26 for Qwen3.8-27B

5 shared

GLM-5.3 outperforms in 4 benchmarks (DeepSWE 1.1, Humanity's Last Exam, NL2Repo, Terminal-Bench 2.1), while Qwen3.8-27B is better at 1 benchmark (Agents' Last Exam).

GLM-5.3 significantly outperforms across most benchmarks.

Thu Sep 17 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Qwen3.8-27B costs less

For input processing, GLM-5.3 ($1.20/1M tokens) is 3.0x more expensive than Qwen3.8-27B ($0.40/1M tokens).

For output processing, GLM-5.3 ($4.00/1M tokens) is 1.3x more expensive than Qwen3.8-27B ($3.00/1M tokens).

In conclusion, GLM-5.3 is more expensive than Qwen3.8-27B.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Thu Sep 17 2026 • llm-stats.com
Zhipu AI
GLM-5.3
Input tokens$1.20
Output tokens$4.00
Best providerDeepinfra
Alibaba Cloud / Qwen Team
Qwen3.8-27B
Input tokens$0.40
Output tokens$3.00
Best providerDeepinfra
Notice missing or incorrect data?Start an Issue

Model Size

Parameter count comparison

725.2B diff

GLM-5.3 has 725.2B more parameters than Qwen3.8-27B, making it 2610.4% larger.

Zhipu AI
GLM-5.3
753.0Bparameters
Alibaba Cloud / Qwen Team
Qwen3.8-27B
27.8Bparameters
753.0B
GLM-5.3
27.8B
Qwen3.8-27B

Context Window

Maximum input and output token capacity

GLM-5.3 accepts 1,048,576 input tokens compared to Qwen3.8-27B's 262,144 tokens. GLM-5.3 can generate longer responses up to 1,048,576 tokens, while Qwen3.8-27B is limited to 262,144 tokens.

Zhipu AI
GLM-5.3
Input1,048,576 tokens
Output1,048,576 tokens
Alibaba Cloud / Qwen Team
Qwen3.8-27B
Input262,144 tokens
Output262,144 tokens
Thu Sep 17 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Qwen3.8-27B supports multimodal inputs, whereas GLM-5.3 does not.

Qwen3.8-27B can handle both text and other forms of data like images, making it suitable for multimodal applications.

GLM-5.3

Text
Images
Audio
Video

Qwen3.8-27B

Text
Images
Audio
Video

License

Usage and distribution terms

GLM-5.3 is licensed under GLM-5.3 License, while Qwen3.8-27B uses Apache 2.0.

License differences may affect how you can use these models in commercial or open-source projects.

GLM-5.3

GLM-5.3 License

Open weights

Qwen3.8-27B

Apache 2.0

Open weights

Release Timeline

When each model was launched

Both models were released on 2026-08-14.

They likely represent similar generations of model development.

GLM-5.3

Aug 14, 2026

1 months ago

Qwen3.8-27B

Aug 14, 2026

1 months ago

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Provider Availability

GLM-5.3 is available from DeepInfra, FriendliAI, Novita, ZAI. Qwen3.8-27B is available from DeepInfra, FriendliAI.

GLM-5.3

deepinfra logo
Deepinfra
Input Price:Input: $1.20/1MOutput Price:Output: $4.00/1M
friendli logo
FriendliAI
Input Price:Input: $1.40/1MOutput Price:Output: $4.40/1M
novita logo
Novita
Input Price:Input: $1.40/1MOutput Price:Output: $4.40/1M
z logo
Unknown Organization
Input Price:Input: $1.40/1MOutput Price:Output: $4.40/1M

Qwen3.8-27B

deepinfra logo
Deepinfra
Input Price:Input: $0.40/1MOutput Price:Output: $3.00/1M
friendli logo
FriendliAI
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

Run your own prompts against GLM-5.3 and Qwen3.8-27B side-by-side, then vote on the output you prefer.

GLM-5.3
✓ Preferred
Qwen3.8-27B
Open in Playground

FAQ

Common questions about GLM-5.3 vs Qwen3.8-27B.

Which is better, GLM-5.3 or Qwen3.8-27B?

GLM-5.3 leads the LLM Stats Score 52.7 to 45.1. GLM-5.3 is made by Zhipu AI and Qwen3.8-27B is made by Alibaba Cloud / Qwen Team. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does GLM-5.3 compare to Qwen3.8-27B in benchmarks?

GLM-5.3 scores Terminal-Bench 2.1: 88.2%, CyberGym: 84.5%, FrontierSWE: 78.1%, Toolathlon: 73.0%, DeepSWE 1.1: 66.9%. Qwen3.8-27B scores MathVision: 94.6%, OmniDocBench 1.5: 91.1%, LiveCodeBench v6: 90.3%, CharXiv-R: 90.2%, GPQA: 89.2%.

Is GLM-5.3 cheaper than Qwen3.8-27B?

Qwen3.8-27B is 3.0x cheaper for input tokens. GLM-5.3 costs $1.20/M input and $4.00/M output via deepinfra. Qwen3.8-27B costs $0.40/M input and $3.00/M output via deepinfra.

What are the context window sizes for GLM-5.3 and Qwen3.8-27B?

GLM-5.3 supports 1.0M tokens and Qwen3.8-27B supports 262K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between GLM-5.3 and Qwen3.8-27B?

Key differences include LLM Stats Score (52.7 vs 45.1), context window (1.0M vs 262K), input pricing ($1.20 vs $0.40/M), multimodal support (no vs yes), licensing (GLM-5.3 License vs Apache 2.0). See the full comparison above for benchmark-by-benchmark results.

Who makes GLM-5.3 and Qwen3.8-27B?

GLM-5.3 is developed by Zhipu AI and Qwen3.8-27B is developed by Alibaba Cloud / Qwen Team.