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Gemini 3 Flash vs GLM-5

Gemini 3 Flash and GLM-5 are closely matched at 36.8 and 37.1 on the LLM Stats Score. Gemini 3 Flash is 1.4x cheaper per token.

Google · Zhipu AI · Updated for 2026

Which is better?

Gemini 3 Flash and GLM-5 are closely matched on the overall LLM Stats Score at 36.8 and 37.1.

The models split the 4 individual benchmarks reported for both models evenly.

On price, Gemini 3 Flash is roughly 1.4x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Gemini 3 Flash also accepts a larger context window (1,000,000 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 Gemini 3 Flash

  • cost matters — it's about 1.4x cheaper per token
  • you process long inputs — it offers a 1,000,000 token context window

Choose GLM-5

  • you want the most recent training data — it shipped Feb 2026
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Core performance indexes
36.8
#73
37.1
#70
37.6
#65
37.4
#67
22.4
#80
26.3
#65
17.8
#72
19.6
#62
Cost, coverage & limits
Benchmark wins
2 of 4
2 of 4
Input price
$0.50 / M
$1.00 / M
Output price
$3.00 / M
$3.20 / M
Context window
1,000,000
200,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Gemini 3 Flash
GLM-5
15.9#86
18.0#69
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

24 reported for Gemini 3 Flash · 5 for GLM-5

4 shared

Gemini 3 Flash outperforms in 2 benchmarks (SWE-Bench Verified, t2-bench), while GLM-5 is better at 2 benchmarks (MCP Atlas, Terminal-Bench 2.0).

Both models are evenly matched across the benchmarks.

Sun Sep 20 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Gemini 3 Flash costs less

For input processing, Gemini 3 Flash ($0.50/1M tokens) is 2.0x cheaper than GLM-5 ($1.00/1M tokens).

For output processing, Gemini 3 Flash ($3.00/1M tokens) is 1.1x cheaper than GLM-5 ($3.20/1M tokens).

In conclusion, GLM-5 is more expensive than Gemini 3 Flash.*

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

Lowest available price from all providers
Sun Sep 20 2026 • llm-stats.com
Google
Gemini 3 Flash
Input tokens$0.50
Output tokens$3.00
Best providerGoogle
Zhipu AI
GLM-5
Input tokens$1.00
Output tokens$3.20
Best providerFriendliAI
Notice missing or incorrect data?Start an Issue

Context Window

Maximum input and output token capacity

Gemini 3 Flash accepts 1,000,000 input tokens compared to GLM-5's 200,000 tokens. GLM-5 can generate longer responses up to 128,000 tokens, while Gemini 3 Flash is limited to 65,536 tokens.

Google
Gemini 3 Flash
Input1,000,000 tokens
Output65,536 tokens
Zhipu AI
GLM-5
Input200,000 tokens
Output128,000 tokens
Sun Sep 20 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Gemini 3 Flash supports multimodal inputs, whereas GLM-5 does not.

Gemini 3 Flash can handle both text and other forms of data like images, making it suitable for multimodal applications.

Gemini 3 Flash

Text
Images
Audio
Video

GLM-5

Text
Images
Audio
Video

License

Usage and distribution terms

Gemini 3 Flash is licensed under a proprietary license, while GLM-5 uses MIT.

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

Gemini 3 Flash

Proprietary

Closed source

GLM-5

MIT

Open weights

Release Timeline

When each model was launched

Gemini 3 Flash was released on 2025-12-17, while GLM-5 was released on 2026-02-11.

GLM-5 is 2 months newer than Gemini 3 Flash.

Gemini 3 Flash

Dec 17, 2025

9 months ago

GLM-5

Feb 11, 2026

7 months ago

1mo newer

Knowledge Cutoff

When training data ends

Gemini 3 Flash has a documented knowledge cutoff of 2025-01-31, while GLM-5's cutoff date is not specified.

We can confirm Gemini 3 Flash's training data extends to 2025-01-31, but cannot make a direct comparison without GLM-5's cutoff date.

Gemini 3 Flash

Jan 2025

GLM-5

Provider Availability

Gemini 3 Flash is available from Google. GLM-5 is available from FriendliAI, ZAI.

Gemini 3 Flash

google logo
Google
Input Price:Input: $0.50/1MOutput Price:Output: $3.00/1M

GLM-5

friendli logo
FriendliAI
Input Price:Input: $1.00/1MOutput Price:Output: $3.20/1M
z logo
Unknown Organization
Input Price:Input: $1.00/1MOutput Price:Output: $3.20/1M
* 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 Gemini 3 Flash and GLM-5 side-by-side, then vote on the output you prefer.

Gemini 3 Flash
✓ Preferred
GLM-5
Open in Playground

FAQ

Common questions about Gemini 3 Flash vs GLM-5.

Which is better, Gemini 3 Flash or GLM-5?

Gemini 3 Flash and GLM-5 are closely matched on the LLM Stats Score at 36.8 and 37.1. Gemini 3 Flash is made by Google and GLM-5 is made by Zhipu AI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Gemini 3 Flash compare to GLM-5 in benchmarks?

Gemini 3 Flash scores Vending-Bench 2: 100.0%, AIME 2025: 99.7%, Global PIQA: 92.8%, MMMLU: 91.8%, GPQA: 90.4%. 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%.

Is Gemini 3 Flash cheaper than GLM-5?

Gemini 3 Flash is 2.0x cheaper for input tokens. Gemini 3 Flash costs $0.50/M input and $3.00/M output via google. GLM-5 costs $1.00/M input and $3.20/M output via friendli.

What are the context window sizes for Gemini 3 Flash and GLM-5?

Gemini 3 Flash supports 1.0M tokens and GLM-5 supports 200K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Gemini 3 Flash and GLM-5?

Key differences include LLM Stats Score (36.8 vs 37.1), context window (1.0M vs 200K), input pricing ($0.50 vs $1.00/M), multimodal support (yes vs no), licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemini 3 Flash and GLM-5?

Gemini 3 Flash is developed by Google and GLM-5 is developed by Zhipu AI.