Kimi K3.1 Pro vs Phi 4 Reasoning Plus
Kimi K3.1 Pro leads the LLM Stats Score 55.5 to 14.4.
Moonshot AI · Microsoft · Updated for 2026
Which is better?
Kimi K3.1 Pro leads the overall LLM Stats Score 55.5 to 14.4, ranking #5 overall.
In the 1 individual benchmarks reported for both models, Kimi K3.1 Pro wins 1; this is a narrower head-to-head signal than the composite indexes.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose Kimi K3.1 Pro
- overall performance matters — it scores 55.5 and ranks #5 on LLM Stats
- your work emphasizes reasoning and coding — it leads those capability indexes
- you value its reported benchmark strengths — it wins 1 of 1 exact shared results
- you want the most recent training data — it shipped Oct 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.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
30 reported for Kimi K3.1 Pro · 11 for Phi 4 Reasoning Plus
Kimi K3.1 Pro outperforms in 1 benchmarks (GPQA), while Phi 4 Reasoning Plus is better at 0 benchmarks.
Kimi K3.1 Pro significantly outperforms across most benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Context Window
Maximum input and output token capacity
Only Kimi K3.1 Pro specifies input context (1,048,576 tokens). Only Kimi K3.1 Pro specifies output context (1,048,576 tokens).
Input capabilities
Documented input modalities across available providers
Kimi K3.1 Pro supports multimodal inputs, whereas Phi 4 Reasoning Plus does not.
Kimi K3.1 Pro can handle both text and other forms of data like images, making it suitable for multimodal applications.
Kimi K3.1 Pro
Phi 4 Reasoning Plus
Release Timeline
When each model was launched
Kimi K3.1 Pro was released on 2026-10-23, while Phi 4 Reasoning Plus was released on 2025-04-30.
Kimi K3.1 Pro is 18 months newer than Phi 4 Reasoning Plus.
Oct 23, 2026
6 days ago
1.5yr newerApr 30, 2025
1.5 years ago
Knowledge Cutoff
When training data ends
Phi 4 Reasoning Plus has a documented knowledge cutoff of 2025-03-01, while Kimi K3.1 Pro'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 Kimi K3.1 Pro's cutoff date.
—
Mar 2025
Outputs Comparison
Judge for yourself.
Run your own prompts against Kimi K3.1 Pro and Phi 4 Reasoning Plus side-by-side, then vote on the output you prefer.
FAQ
Common questions about Kimi K3.1 Pro vs Phi 4 Reasoning Plus.