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Beam 1.0 vs Gemini 3.1 Pro

Beam 1.0 and Gemini 3.1 Pro are closely matched at 44.6 and 43.0 on the LLM Stats Score. Beam 1.0 is 7.5x cheaper per token.

Reflection AI · Google · Updated for 2026

Which is better?

Beam 1.0 and Gemini 3.1 Pro are closely matched on the overall LLM Stats Score at 44.6 and 43.0.

The models split the 8 individual benchmarks reported for both models evenly.

On price, Beam 1.0 is roughly 7.5x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Beam 1.0 also accepts a larger context window (1,048,576 input tokens), making it the stronger choice for long documents and large codebases.

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

Choose Beam 1.0

  • cost matters — it's about 7.5x cheaper per token
  • you process long inputs — it offers a 1,048,576 token context window
  • you want the most recent training data — it shipped Oct 2026
  • you need open weights you can self-host or fine-tune

Choose Gemini 3.1 Pro

  • you want predictable pricing at $2.00/M input and $12.00/M output

At a glance

The differences that matter most.

Core performance indexes
44.6
#46
43.0
#57
45.5
#37
44.9
#42
33.7
#39
30.0
#60
28.8
#53
24.0
#69
Cost, coverage & limits
Benchmark wins
4 of 8
4 of 8
Input price
$0.40 / M
$2.00 / M
Output price
$1.20 / M
$12.00 / M
Context window
1,048,576
1,000,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

3 shared
Index
Beam 1.0
Gemini 3.1 Pro
35.1#45
42.4#5
15.9#105
31.4#32
26.4#32
22.8#53
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

22 reported for Beam 1.0 · 20 for Gemini 3.1 Pro

8 shared

Beam 1.0 outperforms in 4 benchmarks (DeepSWE 1.1, MCP Atlas, SWE-Bench Pro, SWE-Bench Verified), while Gemini 3.1 Pro is better at 4 benchmarks (BrowseComp, GPQA, Humanity's Last Exam, SciCode).

Both models are evenly matched across the benchmarks.

Thu Oct 22 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Beam 1.0 costs less

For input processing, Beam 1.0 ($0.40/1M tokens) is 5.0x cheaper than Gemini 3.1 Pro ($2.00/1M tokens).

For output processing, Beam 1.0 ($1.20/1M tokens) is 10.0x cheaper than Gemini 3.1 Pro ($12.00/1M tokens).

In conclusion, Gemini 3.1 Pro is more expensive than Beam 1.0.*

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

Lowest available price from all providers
Thu Oct 22 2026 • llm-stats.com
Reflection AI
Beam 1.0
Input tokens$0.40
Output tokens$1.20
Best providerTogether
Google
Gemini 3.1 Pro
Input tokens$2.00
Output tokens$12.00
Best providerDeepinfra
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

Beam 1.0 accepts 1,048,576 input tokens compared to Gemini 3.1 Pro's 1,000,000 tokens. Gemini 3.1 Pro can generate longer responses up to 1,000,000 tokens, while Beam 1.0 is limited to 131,072 tokens.

Reflection AI
Beam 1.0
Input1,048,576 tokens
Output131,072 tokens
Google
Gemini 3.1 Pro
Input1,000,000 tokens
Output1,000,000 tokens
Thu Oct 22 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Gemini 3.1 Pro supports multimodal inputs, whereas Beam 1.0 does not.

Gemini 3.1 Pro can handle both text and other forms of data like images, making it suitable for multimodal applications.

Beam 1.0

Text
Images
Audio
Video

Gemini 3.1 Pro

Text
Images
Audio
Video

License

Usage and distribution terms

Beam 1.0 is licensed under Apache 2.0, while Gemini 3.1 Pro 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

Gemini 3.1 Pro

Proprietary

Closed source

Release Timeline

When each model was launched

Beam 1.0 was released on 2026-10-16, while Gemini 3.1 Pro was released on 2026-02-19.

Beam 1.0 is 8 months newer than Gemini 3.1 Pro.

Beam 1.0

Oct 16, 2026

4 days ago

7mo newer
Gemini 3.1 Pro

Feb 19, 2026

8 months ago

Knowledge Cutoff

When training data ends

Beam 1.0 has a knowledge cutoff of 2026-06-30, while Gemini 3.1 Pro has a cutoff of 2025-01-31.

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 Gemini 3.1 Pro (2025-01-31).

Beam 1.0

Jun 2026

1.4 yr newer
Gemini 3.1 Pro

Jan 2025

Provider Availability

Beam 1.0 is available from Together, Reflection AI. Gemini 3.1 Pro is available from DeepInfra, Google.

Beam 1.0

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

Gemini 3.1 Pro

deepinfra logo
Deepinfra
Input Price:Input: $2.00/1MOutput Price:Output: $12.00/1M
google logo
Google
Input Price:Input: $2.50/1MOutput Price:Output: $15.00/1M
* 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 Gemini 3.1 Pro side-by-side, then vote on the output you prefer.

Beam 1.0
✓ Preferred
Gemini 3.1 Pro
Open in Playground

FAQ

Common questions about Beam 1.0 vs Gemini 3.1 Pro.

Which is better, Beam 1.0 or Gemini 3.1 Pro?

Beam 1.0 and Gemini 3.1 Pro are closely matched on the LLM Stats Score at 44.6 and 43.0. Beam 1.0 is made by Reflection AI and Gemini 3.1 Pro is made by Google. 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 Gemini 3.1 Pro 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%. Gemini 3.1 Pro scores t2-bench: 99.3%, LiveCodeBench Pro: 96.2%, GPQA: 94.3%, MMMLU: 92.6%, BrowseComp: 85.9%.

Is Beam 1.0 cheaper than Gemini 3.1 Pro?

Beam 1.0 is 5.0x cheaper for input tokens. Beam 1.0 costs $0.40/M input and $1.20/M output via together. Gemini 3.1 Pro costs $2.00/M input and $12.00/M output via deepinfra.

What are the context window sizes for Beam 1.0 and Gemini 3.1 Pro?

Beam 1.0 supports 1.0M tokens and Gemini 3.1 Pro 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 Gemini 3.1 Pro?

Key differences include LLM Stats Score (44.6 vs 43.0), context window (1.0M vs 1.0M), input pricing ($0.40 vs $2.00/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 Gemini 3.1 Pro?

Beam 1.0 is developed by Reflection AI and Gemini 3.1 Pro is developed by Google.