DeepSeek-V4-Pro-0813 vs Phi 4 Reasoning Plus
Comparing DeepSeek-V4-Pro-0813 and Phi 4 Reasoning Plus across benchmarks, pricing, and capabilities.
DeepSeek · Microsoft · Updated for 2026
Which is better?
DeepSeek-V4-Pro-0813 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 DeepSeek-V4-Pro-0813
- you want the most recent training data — it shipped Aug 2026
Choose Phi 4 Reasoning Plus
- you are already invested in the Microsoft ecosystem
At a glance
The differences that matter most.
Performance Benchmarks
Comparative analysis across standard metrics
DeepSeek-V4-Pro-0813 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
DeepSeek-V4-Pro-0813 has 1586.0B more parameters than Phi 4 Reasoning Plus, making it 11328.6% larger.
Context Window
Maximum input and output token capacity
Only DeepSeek-V4-Pro-0813 specifies input context (1,048,576 tokens). Only DeepSeek-V4-Pro-0813 specifies output context (393,216 tokens).
License
Usage and distribution terms
Both models are licensed under MIT.
Both models share the same licensing terms, providing consistent usage rights.
MIT
Open weights
MIT
Open weights
Release Timeline
When each model was launched
DeepSeek-V4-Pro-0813 was released on 2026-08-13, while Phi 4 Reasoning Plus was released on 2025-04-30.
DeepSeek-V4-Pro-0813 is 16 months newer than Phi 4 Reasoning Plus.
Aug 13, 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 DeepSeek-V4-Pro-0813'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 DeepSeek-V4-Pro-0813's cutoff date.
—
Mar 2025
Outputs Comparison
Judge for yourself.
Run your own prompts against DeepSeek-V4-Pro-0813 and Phi 4 Reasoning Plus side-by-side, then vote on the output you prefer.
FAQ
Common questions about DeepSeek-V4-Pro-0813 vs Phi 4 Reasoning Plus.