GLM-5.3-FlashX-Legal vs Particle-1
GLM-5.3-FlashX-Legal leads the LLM Stats Score 41.5 to 32.0. Particle-1 is 1.3x cheaper per token.
Zhipu AI · Particle AI · Updated for 2026
Which is better?
GLM-5.3-FlashX-Legal leads the overall LLM Stats Score 41.5 to 32.0, ranking #73 overall.
On price, Particle-1 is roughly 1.3x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Particle-1 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 LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose GLM-5.3-FlashX-Legal
- overall performance matters — it scores 41.5 and ranks #73 on LLM Stats
- your work emphasizes reasoning — it leads those capability indexes
Choose Particle-1
- cost matters — it's about 1.3x cheaper per token
- you process long inputs — it offers a 1,048,576 token context window
- you want the most recent training data — it shipped Oct 2026
At a glance
The differences that matter most.
Individual benchmarks
1 reported for GLM-5.3-FlashX-Legal · 3 for Particle-1
GLM-5.3-FlashX-Legal and Particle-1don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.
Human preference
Blind head-to-head votes and playground preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, GLM-5.3-FlashX-Legal ($0.37/1M tokens) is 1.5x more expensive than Particle-1 ($0.25/1M tokens).
For output processing, GLM-5.3-FlashX-Legal ($1.25/1M tokens) is 1.3x more expensive than Particle-1 ($1.00/1M tokens).
In conclusion, GLM-5.3-FlashX-Legal is more expensive than Particle-1.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Particle-1 accepts 1,048,576 input tokens compared to GLM-5.3-FlashX-Legal's 1,000,000 tokens. Both models can generate responses up to 131,072 tokens.
Input capabilities
Documented input modalities across available providers
Both GLM-5.3-FlashX-Legal and Particle-1 support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
GLM-5.3-FlashX-Legal
Particle-1
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
Proprietary
Closed source
Release Timeline
When each model was launched
GLM-5.3-FlashX-Legal was released on 2026-10-12, while Particle-1 was released on 2026-10-28.
Particle-1 is 1 month newer than GLM-5.3-FlashX-Legal.
Oct 12, 2026
3 weeks ago
Oct 28, 2026
1 weeks ago
2w newerKnowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
GLM-5.3-FlashX-Legal is available from ZAI. Particle-1 is available from Particle AI.
GLM-5.3-FlashX-Legal
Particle-1
Outputs Comparison
Judge for yourself.
Run your own prompts against GLM-5.3-FlashX-Legal and Particle-1 side-by-side, then vote on the output you prefer.
FAQ
Common questions about GLM-5.3-FlashX-Legal vs Particle-1.