Beam 1.0 vs Phi 4 Reasoning Plus
Beam 1.0 leads the LLM Stats Score 44.6 to 14.5.
Reflection AI · Microsoft · Updated for 2026
Which is better?
Beam 1.0 leads the overall LLM Stats Score 44.6 to 14.5, ranking #46 overall.
In the 2 individual benchmarks reported for both models, Beam 1.0 wins 2; 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 Beam 1.0
- overall performance matters — it scores 44.6 and ranks #46 on LLM Stats
- your work emphasizes reasoning and coding — it leads those capability indexes
- you value its reported benchmark strengths — it wins 2 of 2 exact shared results
- you want the most recent training data — it shipped Oct 2026
Choose Phi 4 Reasoning Plus
- you are already invested in the Microsoft ecosystem
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
22 reported for Beam 1.0 · 11 for Phi 4 Reasoning Plus
Beam 1.0 outperforms in 2 benchmarks (GPQA, LiveCodeBench), while Phi 4 Reasoning Plus is better at 0 benchmarks.
Beam 1.0 significantly outperforms across most benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Model Size
Parameter count comparison
Beam 1.0 has 487.3B more parameters than Phi 4 Reasoning Plus, making it 3480.7% larger.
Context Window
Maximum input and output token capacity
Only Beam 1.0 specifies input context (1,048,576 tokens). Only Beam 1.0 specifies output context (131,072 tokens).
License
Usage and distribution terms
Beam 1.0 is licensed under Apache 2.0, while Phi 4 Reasoning Plus uses MIT.
License differences may affect how you can use these models in commercial or open-source projects.
Apache 2.0
Open weights
MIT
Open weights
Release Timeline
When each model was launched
Beam 1.0 was released on 2026-10-16, while Phi 4 Reasoning Plus was released on 2025-04-30.
Beam 1.0 is 18 months newer than Phi 4 Reasoning Plus.
Oct 16, 2026
3 days ago
1.5yr newerApr 30, 2025
1.5 years ago
Knowledge Cutoff
When training data ends
Beam 1.0 has a knowledge cutoff of 2026-06-30, while Phi 4 Reasoning Plus has a cutoff of 2025-03-01.
Beam 1.0 has more recent training data (up to 2026-06-30), making it potentially better informed about events through that date compared to Phi 4 Reasoning Plus (2025-03-01).
Jun 2026
1.3 yr newerMar 2025
Outputs Comparison
Judge for yourself.
Run your own prompts against Beam 1.0 and Phi 4 Reasoning Plus side-by-side, then vote on the output you prefer.
FAQ
Common questions about Beam 1.0 vs Phi 4 Reasoning Plus.