Gemini 2.5 Pro Preview 06-05 vs GLM-5.3
GLM-5.3 significantly outperforms across most benchmarks. GLM-5.3 is 1.6x cheaper per token.
Google · Zhipu AI · Updated for 2026
Which is better?
Gemini 2.5 Pro Preview 06-05 outperforms in 0 benchmarks, while GLM-5.3 is better at 1 benchmark (Humanity's Last Exam). GLM-5.3 significantly outperforms across most benchmarks.
On price, GLM-5.3 is roughly 1.6x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Gemini 2.5 Pro Preview 06-05 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 benchmark, pricing, and model metadata for 2026.
Choose Gemini 2.5 Pro Preview 06-05
- you process long inputs — it offers a 1,048,576 token context window
Choose GLM-5.3
- you want the strongest raw capability — it leads on 1 of 1 shared benchmarks
- cost matters — it's about 1.6x cheaper per token
- you want the most recent training data — it shipped Aug 2026
At a glance
The differences that matter most.
Performance Benchmarks
Comparative analysis across standard metrics
Gemini 2.5 Pro Preview 06-05 outperforms in 0 benchmarks, while GLM-5.3 is better at 1 benchmark (Humanity's Last Exam).
GLM-5.3 significantly outperforms across most benchmarks.
Arena Performance
Playground indexes and blind preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, Gemini 2.5 Pro Preview 06-05 ($1.25/1M tokens) is 1.1x cheaper than GLM-5.3 ($1.40/1M tokens).
For output processing, Gemini 2.5 Pro Preview 06-05 ($10.00/1M tokens) is 2.3x more expensive than GLM-5.3 ($4.40/1M tokens).
In conclusion, Gemini 2.5 Pro Preview 06-05 is more expensive than GLM-5.3.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Gemini 2.5 Pro Preview 06-05 accepts 1,048,576 input tokens compared to GLM-5.3's 1,000,000 tokens. GLM-5.3 can generate longer responses up to 128,000 tokens, while Gemini 2.5 Pro Preview 06-05 is limited to 65,535 tokens.
Input Capabilities
Supported data types and modalities
Gemini 2.5 Pro Preview 06-05 supports multimodal inputs, whereas GLM-5.3 does not.
Gemini 2.5 Pro Preview 06-05 can handle both text and other forms of data like images, making it suitable for multimodal applications.
Gemini 2.5 Pro Preview 06-05
GLM-5.3
Release Timeline
When each model was launched
Gemini 2.5 Pro Preview 06-05 was released on 2025-06-05, while GLM-5.3 was released on 2026-08-14.
GLM-5.3 is 15 months newer than Gemini 2.5 Pro Preview 06-05.
Jun 5, 2025
1.2 years ago
Aug 14, 2026
1 weeks ago
1.2yr newerKnowledge Cutoff
When training data ends
Gemini 2.5 Pro Preview 06-05 has a documented knowledge cutoff of 2025-01-31, while GLM-5.3's cutoff date is not specified.
We can confirm Gemini 2.5 Pro Preview 06-05's training data extends to 2025-01-31, but cannot make a direct comparison without GLM-5.3's cutoff date.
Jan 2025
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Provider Availability
Gemini 2.5 Pro Preview 06-05 is available from Google. GLM-5.3 is available from ZAI.
Gemini 2.5 Pro Preview 06-05
GLM-5.3
Outputs Comparison
Judge for yourself.
Run your own prompts against Gemini 2.5 Pro Preview 06-05 and GLM-5.3 side-by-side, then vote on the output you prefer.
FAQ
Common questions about Gemini 2.5 Pro Preview 06-05 vs GLM-5.3.