Model Comparison

Seed 2.1 Turbo vs GLM-5V-TurboWhich is better in 2026?

Both models are evenly matched across the benchmarks.

Verdict: Seed 2.1 Turbo vs GLM-5V-Turbo — which is better?

Seed 2.1 Turbo (by ByteDance) and GLM-5V-Turbo (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.

Seed 2.1 Turbo outperforms in 1 benchmarks (OSWorld), while GLM-5V-Turbo is better at 1 benchmark (SimpleVQA). Both models are evenly matched across the benchmarks.

Choose Seed 2.1 Turbo if…

  • you want the most recent training data — it shipped Jun 2026

Choose GLM-5V-Turbo if…

  • you want predictable pricing at $1.20/M input and $4.00/M output

Performance Benchmarks

Comparative analysis across standard metrics

2 benchmarks

Seed 2.1 Turbo outperforms in 1 benchmarks (OSWorld), while GLM-5V-Turbo is better at 1 benchmark (SimpleVQA).

Both models are evenly matched across the benchmarks.

Fri Jul 17 2026 • llm-stats.com

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only GLM-5V-Turbo specifies input context (200,000 tokens). Only GLM-5V-Turbo specifies output context (128,000 tokens).

ByteDance
Seed 2.1 Turbo
Input- tokens
Output- tokens
Zhipu AI
GLM-5V-Turbo
Input200,000 tokens
Output128,000 tokens
Fri Jul 17 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Seed 2.1 Turbo and GLM-5V-Turbo support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Seed 2.1 Turbo

Text
Images
Audio
Video

GLM-5V-Turbo

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Seed 2.1 Turbo

Proprietary

Closed source

GLM-5V-Turbo

Proprietary

Closed source

Release Timeline

When each model was launched

Seed 2.1 Turbo was released on 2026-06-24, while GLM-5V-Turbo was released on 2026-04-02.

Seed 2.1 Turbo is 3 months newer than GLM-5V-Turbo.

Seed 2.1 Turbo

Jun 24, 2026

3 weeks ago

2mo newer
GLM-5V-Turbo

Apr 2, 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.

No cutoff dates available

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

ByteDance
Higher OSWorld score (76.4% vs 62.3%)
Zhipu AI
Larger context window (200,000 tokens)
Higher SimpleVQA score (78.2% vs 71.1%)

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Seed 2.1 Turbo and GLM-5V-Turbo side-by-side, then vote on the output you prefer.

Seed 2.1 Turbo
✓ Preferred
GLM-5V-Turbo
Open in Playground
AI Model Comparison Table
Feature
ByteDance
Seed 2.1 Turbo
Zhipu AI
GLM-5V-Turbo

FAQ

Common questions about Seed 2.1 Turbo vs GLM-5V-Turbo.

Which is better, Seed 2.1 Turbo or GLM-5V-Turbo?

Both models are evenly matched across the benchmarks. Seed 2.1 Turbo is made by ByteDance and GLM-5V-Turbo is made by Zhipu AI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Seed 2.1 Turbo compare to GLM-5V-Turbo in benchmarks?

Seed 2.1 Turbo scores CharXiv-D: 94.6%, MathVision: 92.7%, MathVista: 90.5%, MathVerse: 89.2%, Video-MME: 89.0%. GLM-5V-Turbo scores Design2Code: 94.8%, Flame-VLM-Code: 93.8%, V*: 89.0%, WebVoyager: 88.5%, PinchBench: 80.7%.

What are the context window sizes for Seed 2.1 Turbo and GLM-5V-Turbo?

Seed 2.1 Turbo supports an unknown number of tokens and GLM-5V-Turbo supports 200K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

Who makes Seed 2.1 Turbo and GLM-5V-Turbo?

Seed 2.1 Turbo is developed by ByteDance and GLM-5V-Turbo is developed by Zhipu AI.

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