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Beam 1.0 vs Phi-3.5-MoE-instruct

Beam 1.0 leads the LLM Stats Score 44.6 to 1.4.

Reflection AI · Microsoft · Updated for 2026

Which is better?

Beam 1.0 leads the overall LLM Stats Score 44.6 to 1.4, ranking #46 overall.

In the 1 individual benchmarks reported for both models, Beam 1.0 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 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 1 of 1 exact shared results
  • you want the most recent training data — it shipped Oct 2026

Choose Phi-3.5-MoE-instruct

  • you are already invested in the Microsoft ecosystem

At a glance

The differences that matter most.

Beam 1.0
Reflection AI
Phi-3.5-MoE-instruct
Microsoft
Core performance indexes
LLM Stats Score
44.6
#46
1.4
#344
Reasoning
45.5
#37
1.0
#337
Coding
33.7
#39
-3.9
#279
Cost, coverage & limits
Benchmark wins
1 of 1
0 of 1
Input price
$0.40 / M
— / M
Output price
$1.20 / M
— / M
Context window
1,048,576
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
Beam 1.0
Phi-3.5-MoE-instruct
Math
35.1#45
4.3#297
Long context
29.5#5
7.6#94
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

22 reported for Beam 1.0 · 31 for Phi-3.5-MoE-instruct

1 shared

Beam 1.0 outperforms in 1 benchmarks (GPQA), while Phi-3.5-MoE-instruct is better at 0 benchmarks.

Beam 1.0 significantly outperforms across most benchmarks.

Fri Oct 23 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Model Size

Parameter count comparison

441.3B diff

Beam 1.0 has 441.3B more parameters than Phi-3.5-MoE-instruct, making it 735.5% larger.

Reflection AI
Beam 1.0
501.3Bparameters
Microsoft
Phi-3.5-MoE-instruct
60.0Bparameters
501.3B
Beam 1.0
60.0B
Phi-3.5-MoE-instruct

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).

Reflection AI
Beam 1.0
Input1,048,576 tokens
Output131,072 tokens
Microsoft
Phi-3.5-MoE-instruct
Input- tokens
Output- tokens
Fri Oct 23 2026 • llm-stats.com

License

Usage and distribution terms

Beam 1.0 is licensed under Apache 2.0, while Phi-3.5-MoE-instruct uses MIT.

License differences may affect how you can use these models in commercial or open-source projects.

Beam 1.0

Apache 2.0

Open weights

Phi-3.5-MoE-instruct

MIT

Open weights

Release Timeline

When each model was launched

Beam 1.0 was released on 2026-10-16, while Phi-3.5-MoE-instruct was released on 2024-08-23.

Beam 1.0 is 26 months newer than Phi-3.5-MoE-instruct.

Beam 1.0

Oct 16, 2026

3 days ago

2.1yr newer
Phi-3.5-MoE-instruct

Aug 23, 2024

2.2 years ago

Knowledge Cutoff

When training data ends

Beam 1.0 has a documented knowledge cutoff of 2026-06-30, while Phi-3.5-MoE-instruct's cutoff date is not specified.

We can confirm Beam 1.0's training data extends to 2026-06-30, but cannot make a direct comparison without Phi-3.5-MoE-instruct's cutoff date.

Beam 1.0

Jun 2026

Phi-3.5-MoE-instruct

—

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Beam 1.0 and Phi-3.5-MoE-instruct side-by-side, then vote on the output you prefer.

Beam 1.0
✓ Preferred
Phi-3.5-MoE-instruct
Open in Playground

FAQ

Common questions about Beam 1.0 vs Phi-3.5-MoE-instruct.

Which is better, Beam 1.0 or Phi-3.5-MoE-instruct?

Beam 1.0 leads the LLM Stats Score 44.6 to 1.4. Beam 1.0 is made by Reflection AI and Phi-3.5-MoE-instruct is made by Microsoft. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Beam 1.0 compare to Phi-3.5-MoE-instruct in benchmarks?

Beam 1.0 scores AIME 2026: 97.7%, GPQA: 90.6%, LiveCodeBench: 88.3%, SWE-Bench Verified: 81.6%, MCP Atlas: 80.8%. Phi-3.5-MoE-instruct scores ARC-C: 91.0%, OpenBookQA: 89.6%, GSM8k: 88.7%, PIQA: 88.6%, RULER: 87.1%.

What are the context window sizes for Beam 1.0 and Phi-3.5-MoE-instruct?

Beam 1.0 supports 1.0M tokens and Phi-3.5-MoE-instruct supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Beam 1.0 and Phi-3.5-MoE-instruct?

Key differences include LLM Stats Score (44.6 vs 1.4), licensing (Apache 2.0 vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes Beam 1.0 and Phi-3.5-MoE-instruct?

Beam 1.0 is developed by Reflection AI and Phi-3.5-MoE-instruct is developed by Microsoft.

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