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Beam 1.0 vs LFM2.5-2.6B

Beam 1.0 leads the LLM Stats Score 44.6 to 18.4.

Reflection AI · Liquid AI · Updated for 2026

Which is better?

Beam 1.0 leads the overall LLM Stats Score 44.6 to 18.4, ranking #46 overall.

In the 3 individual benchmarks reported for both models, Beam 1.0 wins 3; 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 3 of 3 exact shared results
  • you want the most recent training data — it shipped Oct 2026

Choose LFM2.5-2.6B

  • you are already invested in the Liquid AI ecosystem

At a glance

The differences that matter most.

Beam 1.0
Reflection AI
LFM2.5-2.6B
Liquid AI
Core performance indexes
LLM Stats Score
44.6
#46
18.4
#234
Reasoning
45.5
#37
14.1
#255
Coding
33.7
#39
16.0
#148
Agents
28.8
#53
6.7
#162
Cost, coverage & limits
Benchmark wins
3 of 3
0 of 3
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

1 shared
Index
Beam 1.0
LFM2.5-2.6B
Tool use
26.4#32
0.3#197
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

22 reported for Beam 1.0 · 9 for LFM2.5-2.6B

3 shared

Beam 1.0 outperforms in 3 benchmarks (AA-Omniscience Index, IFBench, Tau3 Banking), while LFM2.5-2.6B 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

498.6B diff

Beam 1.0 has 498.6B more parameters than LFM2.5-2.6B, making it 18535.7% larger.

Reflection AI
Beam 1.0
501.3Bparameters
Liquid AI
LFM2.5-2.6B
2.7Bparameters
501.3B
Beam 1.0
2.7B
LFM2.5-2.6B

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
Liquid AI
LFM2.5-2.6B
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 LFM2.5-2.6B uses LFM Open License v1.0.

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

Beam 1.0

Apache 2.0

Open weights

LFM2.5-2.6B

LFM Open License v1.0

Open weights

Release Timeline

When each model was launched

Beam 1.0 was released on 2026-10-16, while LFM2.5-2.6B was released on 2026-08-04.

Beam 1.0 is 2 months newer than LFM2.5-2.6B.

Beam 1.0

Oct 16, 2026

6 days ago

2mo newer
LFM2.5-2.6B

Aug 4, 2026

2 months ago

Knowledge Cutoff

When training data ends

Beam 1.0 has a documented knowledge cutoff of 2026-06-30, while LFM2.5-2.6B'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 LFM2.5-2.6B's cutoff date.

Beam 1.0

Jun 2026

LFM2.5-2.6B

—

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Beam 1.0 and LFM2.5-2.6B side-by-side, then vote on the output you prefer.

Beam 1.0
✓ Preferred
LFM2.5-2.6B
Open in Playground

FAQ

Common questions about Beam 1.0 vs LFM2.5-2.6B.

Which is better, Beam 1.0 or LFM2.5-2.6B?

Beam 1.0 leads the LLM Stats Score 44.6 to 18.4. Beam 1.0 is made by Reflection AI and LFM2.5-2.6B is made by Liquid AI. 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 LFM2.5-2.6B 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%. LFM2.5-2.6B scores Multi-IF: 80.1%, PinchBench: 68.2%, Claw-Eval: 62.8%, LiveCodeBench v6: 59.4%, IFBench: 59.2%.

What are the context window sizes for Beam 1.0 and LFM2.5-2.6B?

Beam 1.0 supports 1.0M tokens and LFM2.5-2.6B 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 LFM2.5-2.6B?

Key differences include LLM Stats Score (44.6 vs 18.4), licensing (Apache 2.0 vs LFM Open License v1.0). See the full comparison above for benchmark-by-benchmark results.

Who makes Beam 1.0 and LFM2.5-2.6B?

Beam 1.0 is developed by Reflection AI and LFM2.5-2.6B is developed by Liquid AI.

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