Model Comparison

GLM-5 vs Gemini 3.5 Flash

Gemini 3.5 Flash significantly outperforms across most benchmarks. GLM-5 is 2.2x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

2 benchmarks

GLM-5 outperforms in 0 benchmarks, while Gemini 3.5 Flash is better at 2 benchmarks (MCP Atlas, Terminal-Bench 2.0).

Gemini 3.5 Flash significantly outperforms across most benchmarks.

Wed May 20 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

GLM-5 costs less

For input processing, GLM-5 ($1.00/1M tokens) is 1.5x cheaper than Gemini 3.5 Flash ($1.50/1M tokens).

For output processing, GLM-5 ($3.20/1M tokens) is 2.8x cheaper than Gemini 3.5 Flash ($9.00/1M tokens).

In conclusion, Gemini 3.5 Flash is more expensive than GLM-5.*

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

Lowest available price from all providers

Wed May 20 2026 • llm-stats.com

GLM-5

Input tokens$1.00

Output tokens$3.20

Best providerFriendliAI

Gemini 3.5 Flash

Input tokens$1.50

Output tokens$9.00

Best providerGoogle

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Context Window

Maximum input and output token capacity

Gemini 3.5 Flash accepts 1,048,576 input tokens compared to GLM-5's 200,000 tokens. GLM-5 can generate longer responses up to 128,000 tokens, while Gemini 3.5 Flash is limited to 65,536 tokens.

GLM-5

Input200,000 tokens

Output128,000 tokens

Gemini 3.5 Flash

Input1,048,576 tokens

Output65,536 tokens

Wed May 20 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Gemini 3.5 Flash supports multimodal inputs, whereas GLM-5 does not.

Gemini 3.5 Flash can handle both text and other forms of data like images, making it suitable for multimodal applications.

GLM-5

Text

Images

Audio

Video

Gemini 3.5 Flash

Text

Images

Audio

Video

License

Usage and distribution terms

GLM-5 is licensed under MIT, while Gemini 3.5 Flash uses a proprietary license.

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

GLM-5

MIT

Open weights

Gemini 3.5 Flash

Proprietary

Closed source

Release Timeline

When each model was launched

GLM-5 was released on 2026-02-11, while Gemini 3.5 Flash was released on 2026-05-19.

Gemini 3.5 Flash is 3 months newer than GLM-5.

GLM-5

Feb 11, 2026

3 months ago

Gemini 3.5 Flash

May 19, 2026

1 days ago

3mo newer

Knowledge Cutoff

When training data ends

Gemini 3.5 Flash has a documented knowledge cutoff of 2026-01-31, while GLM-5's cutoff date is not specified.

We can confirm Gemini 3.5 Flash's training data extends to 2026-01-31, but cannot make a direct comparison without GLM-5's cutoff date.

GLM-5

—

Gemini 3.5 Flash

Jan 2026

Provider Availability

GLM-5 is available from FriendliAI, ZAI. Gemini 3.5 Flash is available from Google.

GLM-5

FriendliAI

Input Price:Input: $1.00/1MOutput Price:Output: $3.20/1M

Unknown Organization

Input Price:Input: $1.00/1MOutput Price:Output: $3.20/1M

Gemini 3.5 Flash

Google

Input Price:Input: $1.50/1MOutput Price:Output: $9.00/1M

* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

GLM-5

View details

Zhipu AI

Less expensive input tokens

Less expensive output tokens

Has open weights

Gemini 3.5 Flash

View details

Google

Larger context window (1,048,576 tokens)

Supports multimodal inputs

Higher MCP Atlas score (83.6% vs 67.8%)

Higher Terminal-Bench 2.0 score (76.2% vs 56.2%)

Detailed Comparison

AI Model Comparison Table
Feature	GLM-5	Gemini 3.5 Flash

FAQ

Common questions about GLM-5 vs Gemini 3.5 Flash.

Which is better, GLM-5 or Gemini 3.5 Flash?

Gemini 3.5 Flash significantly outperforms across most benchmarks. GLM-5 is made by Zhipu AI and Gemini 3.5 Flash is made by Google. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does GLM-5 compare to Gemini 3.5 Flash in benchmarks?

GLM-5 scores t2-bench: 89.7%, SWE-Bench Verified: 77.8%, BrowseComp: 75.9%, MCP Atlas: 67.8%, Terminal-Bench 2.0: 56.2%. Gemini 3.5 Flash scores CharXiv-R: 84.2%, MCP Atlas: 83.6%, MMMU-Pro: 83.6%, OSWorld-Verified: 78.4%, Terminal-Bench 2.0: 76.2%.

Is GLM-5 cheaper than Gemini 3.5 Flash?

GLM-5 is 1.5x cheaper for input tokens. GLM-5 costs $1.00/M input and $3.20/M output via friendli. Gemini 3.5 Flash costs $1.50/M input and $9.00/M output via google.

What are the context window sizes for GLM-5 and Gemini 3.5 Flash?

GLM-5 supports 200K tokens and Gemini 3.5 Flash supports 1.0M 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 and Gemini 3.5 Flash?

Key differences include context window (200K vs 1.0M), input pricing ($1.00 vs $1.50/M), multimodal support (no vs yes), licensing (MIT vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes GLM-5 and Gemini 3.5 Flash?

GLM-5 is developed by Zhipu AI and Gemini 3.5 Flash is developed by Google.