Model Comparison
Qwen3.7-Plus vs GLM-5.1Which is better in 2026?
Both models are evenly matched across the benchmarks. Qwen3.7-Plus is 3.8x cheaper per token.
Verdict: Qwen3.7-Plus vs GLM-5.1 — which is better?
Qwen3.7-Plus (by Alibaba Cloud / Qwen Team) and GLM-5.1 (by Zhipu AI) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.
Qwen3.7-Plus outperforms in 5 benchmarks (GPQA, HMMT Feb 26, IMO-AnswerBench, MCP Atlas, Terminal-Bench 2.0), while GLM-5.1 is better at 5 benchmarks (Finance Agent v2, GDPval-AA, Humanity's Last Exam, NL2Repo, SWE-Bench Pro). Both models are evenly matched across the benchmarks.
On price, Qwen3.7-Plus is roughly 3.8x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Qwen3.7-Plus also accepts a larger context window (1,000,000 input tokens), making it the stronger choice for long documents and large codebases.
Choose Qwen3.7-Plus if…
- cost matters — it's about 3.8x cheaper per token
- you process long inputs — it offers a 1,000,000 token context window
- you want the most recent training data — it shipped May 2026
Choose GLM-5.1 if…
- you need open weights you can self-host or fine-tune
Performance Benchmarks
Comparative analysis across standard metrics
Qwen3.7-Plus outperforms in 5 benchmarks (GPQA, HMMT Feb 26, IMO-AnswerBench, MCP Atlas, Terminal-Bench 2.0), while GLM-5.1 is better at 5 benchmarks (Finance Agent v2, GDPval-AA, Humanity's Last Exam, NL2Repo, SWE-Bench Pro).
Both models are evenly matched across the benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, Qwen3.7-Plus ($0.32/1M tokens) is 4.4x cheaper than GLM-5.1 ($1.40/1M tokens).
For output processing, Qwen3.7-Plus ($1.28/1M tokens) is 3.4x cheaper than GLM-5.1 ($4.40/1M tokens).
In conclusion, GLM-5.1 is more expensive than Qwen3.7-Plus.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Qwen3.7-Plus accepts 1,000,000 input tokens compared to GLM-5.1's 200,000 tokens. GLM-5.1 can generate longer responses up to 128,000 tokens, while Qwen3.7-Plus is limited to 65,536 tokens.
Input Capabilities
Supported data types and modalities
Qwen3.7-Plus supports multimodal inputs, whereas GLM-5.1 does not.
Qwen3.7-Plus can handle both text and other forms of data like images, making it suitable for multimodal applications.
Qwen3.7-Plus
GLM-5.1
License
Usage and distribution terms
Qwen3.7-Plus is licensed under a proprietary license, while GLM-5.1 uses MIT.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
MIT
Open weights
Release Timeline
When each model was launched
Qwen3.7-Plus was released on 2026-05-31, while GLM-5.1 was released on 2026-04-07.
Qwen3.7-Plus is 2 months newer than GLM-5.1.
May 31, 2026
1 months ago
1mo newerApr 7, 2026
3 months ago
Knowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
Qwen3.7-Plus is available from Together. GLM-5.1 is available from FriendliAI, ZAI.
Qwen3.7-Plus
GLM-5.1
Outputs Comparison
Key Takeaways
Qwen3.7-Plus
View detailsAlibaba Cloud / Qwen Team
GLM-5.1
View detailsZhipu AI
Detailed Comparison
Interactive Arena
Judge for yourself.
Run your own prompts against Qwen3.7-Plus and GLM-5.1 side-by-side, then vote on the output you prefer.
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FAQ
Common questions about Qwen3.7-Plus vs GLM-5.1.