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Beam 1.0 vs Particle-1

Beam 1.0 leads the LLM Stats Score 44.3 to 31.9. Particle-1 is 1.4x cheaper per token.

Reflection AI · Particle AI · Updated for 2026

Which is better?

Beam 1.0 leads the overall LLM Stats Score 44.3 to 31.9, ranking #49 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.

On price, Particle-1 is roughly 1.4x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Beam 1.0

  • overall performance matters — it scores 44.3 and ranks #49 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 1 of 1 exact shared results
  • you need open weights you can self-host or fine-tune

Choose Particle-1

  • cost matters — it's about 1.4x cheaper per token
  • you want the most recent training data — it shipped Oct 2026

At a glance

The differences that matter most.

Core performance indexes
44.3
#49
31.9
#133
45.1
#40
31.2
#135
Cost, coverage & limits
Benchmark wins
1 of 1
0 of 1
Input price
$0.40 / M
$0.25 / M
Output price
$1.20 / M
$1.00 / M
Context window
1,048,576
1,048,576

Individual benchmarks

22 reported for Beam 1.0 · 3 for Particle-1

1 shared

Beam 1.0 outperforms in 1 benchmarks (GPQA), while Particle-1 is better at 0 benchmarks.

Beam 1.0 significantly outperforms across most benchmarks.

Thu Oct 29 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Particle-1 costs less

For input processing, Beam 1.0 ($0.40/1M tokens) is 1.6x more expensive than Particle-1 ($0.25/1M tokens).

For output processing, Beam 1.0 ($1.20/1M tokens) is 1.2x more expensive than Particle-1 ($1.00/1M tokens).

In conclusion, Beam 1.0 is more expensive than Particle-1.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Thu Oct 29 2026 • llm-stats.com
Reflection AI
Beam 1.0
Input tokens$0.40
Output tokens$1.20
Best providerTogether
Particle AI
Particle-1
Input tokens$0.25
Output tokens$1.00
Best providerUnknown Organization
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

Both models have the same input context window of 1,048,576 tokens. Both models can generate responses up to 131,072 tokens.

Reflection AI
Beam 1.0
Input1,048,576 tokens
Output131,072 tokens
Particle AI
Particle-1
Input1,048,576 tokens
Output131,072 tokens
Thu Oct 29 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Particle-1 supports multimodal inputs, whereas Beam 1.0 does not.

Particle-1 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Beam 1.0

Text
Images
Audio
Video

Particle-1

Text
Images
Audio
Video

License

Usage and distribution terms

Beam 1.0 is licensed under Apache 2.0, while Particle-1 uses a proprietary license.

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

Beam 1.0

Apache 2.0

Open weights

Particle-1

Proprietary

Closed source

Release Timeline

When each model was launched

Beam 1.0 was released on 2026-10-16, while Particle-1 was released on 2026-10-28.

Particle-1 is 0 month newer than Beam 1.0.

Beam 1.0

Oct 16, 2026

1 weeks ago

Particle-1

Oct 28, 2026

-2 days ago

1w newer

Knowledge Cutoff

When training data ends

Beam 1.0 has a documented knowledge cutoff of 2026-06-30, while Particle-1'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 Particle-1's cutoff date.

Beam 1.0

Jun 2026

Particle-1

—

Provider Availability

Beam 1.0 is available from Together, Reflection AI. Particle-1 is available from Particle AI.

Beam 1.0

together logo
Together
Input Price:Input: $0.40/1MOutput Price:Output: $1.20/1M
reflection logo
Unknown Organization

Particle-1

particle-ai logo
Unknown Organization
Input Price:Input: $0.25/1MOutput Price:Output: $1.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Beam 1.0 and Particle-1 side-by-side, then vote on the output you prefer.

Beam 1.0
✓ Preferred
Particle-1
Open in Playground

FAQ

Common questions about Beam 1.0 vs Particle-1.

Which is better, Beam 1.0 or Particle-1?

Beam 1.0 leads the LLM Stats Score 44.3 to 31.9. Beam 1.0 is made by Reflection AI and Particle-1 is made by Particle 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 Particle-1 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%. Particle-1 scores GPQA: 90.4%, BabyVision: 89.2%, MMLU: 86.1%.

Is Beam 1.0 cheaper than Particle-1?

Particle-1 is 1.6x cheaper for input tokens. Beam 1.0 costs $0.40/M input and $1.20/M output via together. Particle-1 costs $0.25/M input and $1.00/M output via particle-ai.

What are the context window sizes for Beam 1.0 and Particle-1?

Beam 1.0 supports 1.0M tokens and Particle-1 supports 1.0M 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 Particle-1?

Key differences include LLM Stats Score (44.3 vs 31.9), input pricing ($0.40 vs $0.25/M), multimodal support (no vs yes), licensing (Apache 2.0 vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes Beam 1.0 and Particle-1?

Beam 1.0 is developed by Reflection AI and Particle-1 is developed by Particle AI.