GLM-5.3 vs Phi 4 Reasoning Plus
Comparing GLM-5.3 and Phi 4 Reasoning Plus across benchmarks, pricing, and capabilities.
Zhipu AI · Microsoft · Updated for 2026
Which is better?
GLM-5.3 and Phi 4 Reasoning Plus trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.
Based on current benchmark, pricing, and model metadata for 2026.
Choose GLM-5.3
- you want the most recent training data — it shipped Aug 2026
Choose Phi 4 Reasoning Plus
- you need open weights you can self-host or fine-tune
At a glance
The differences that matter most.
Performance Benchmarks
Comparative analysis across standard metrics
GLM-5.3 and Phi 4 Reasoning Plusdon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.
Arena Performance
Playground indexes and blind preference scores
Model Size
Parameter count comparison
GLM-5.3 has 739.0B more parameters than Phi 4 Reasoning Plus, making it 5278.6% larger.
Context Window
Maximum input and output token capacity
Only GLM-5.3 specifies input context (1,000,000 tokens). Only GLM-5.3 specifies output context (128,000 tokens).
Release Timeline
When each model was launched
GLM-5.3 was released on 2026-08-14, while Phi 4 Reasoning Plus was released on 2025-04-30.
GLM-5.3 is 16 months newer than Phi 4 Reasoning Plus.
Aug 14, 2026
1 weeks ago
1.3yr newerApr 30, 2025
1.3 years ago
Knowledge Cutoff
When training data ends
Phi 4 Reasoning Plus has a documented knowledge cutoff of 2025-03-01, while GLM-5.3's cutoff date is not specified.
We can confirm Phi 4 Reasoning Plus's training data extends to 2025-03-01, but cannot make a direct comparison without GLM-5.3's cutoff date.
—
Mar 2025
Outputs Comparison
Judge for yourself.
Run your own prompts against GLM-5.3 and Phi 4 Reasoning Plus side-by-side, then vote on the output you prefer.
FAQ
Common questions about GLM-5.3 vs Phi 4 Reasoning Plus.