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Beam 1.0 vs GPT-6 Luna

Beam 1.0 and GPT-6 Luna are closely matched at 44.6 and 43.1 on the LLM Stats Score. GPT-6 Luna is 3.0x cheaper per token.

Reflection AI · OpenAI · Updated for 2026

Which is better?

Beam 1.0 and GPT-6 Luna are closely matched on the overall LLM Stats Score at 44.6 and 43.1.

In the 1 individual benchmarks reported for both models, GPT-6 Luna wins 1; this is a narrower head-to-head signal than the composite indexes.

On price, GPT-6 Luna is roughly 3.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

GPT-6 Luna also accepts a larger context window (1,050,000 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

  • you want the most recent training data — it shipped Oct 2026
  • you need open weights you can self-host or fine-tune

Choose GPT-6 Luna

  • you value its reported benchmark strengths — it wins 1 of 1 exact shared results
  • cost matters — it's about 3.0x cheaper per token
  • you process long inputs — it offers a 1,050,000 token context window

At a glance

The differences that matter most.

Core performance indexes
44.6
#46
43.1
#55
45.5
#37
39.9
#69
33.7
#39
28.6
#71
28.8
#53
30.1
#47
Cost, coverage & limits
Benchmark wins
0 of 1
1 of 1
Input price
$0.40 / M
$0.10 / M
Output price
$1.20 / M
$0.50 / M
Context window
1,048,576
1,050,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Beam 1.0
GPT-6 Luna
26.4#32
22.5#55
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

22 reported for Beam 1.0 · 5 for GPT-6 Luna

1 shared

Beam 1.0 outperforms in 0 benchmarks, while GPT-6 Luna is better at 1 benchmark (DeepSWE 1.1).

GPT-6 Luna significantly outperforms across most 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

GPT-6 Luna costs less

For input processing, Beam 1.0 ($0.40/1M tokens) is 4.0x more expensive than GPT-6 Luna ($0.10/1M tokens).

For output processing, Beam 1.0 ($1.20/1M tokens) is 2.4x more expensive than GPT-6 Luna ($0.50/1M tokens).

In conclusion, Beam 1.0 is more expensive than GPT-6 Luna.*

* 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
OpenAI
GPT-6 Luna
Input tokens$0.10
Output tokens$0.50
Best providerOpenAI
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

GPT-6 Luna accepts 1,050,000 input tokens compared to Beam 1.0's 1,048,576 tokens. Beam 1.0 can generate longer responses up to 131,072 tokens, while GPT-6 Luna is limited to 128,000 tokens.

Reflection AI
Beam 1.0
Input1,048,576 tokens
Output131,072 tokens
OpenAI
GPT-6 Luna
Input1,050,000 tokens
Output128,000 tokens
Thu Oct 22 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

GPT-6 Luna supports multimodal inputs, whereas Beam 1.0 does not.

GPT-6 Luna can handle both text and other forms of data like images, making it suitable for multimodal applications.

Beam 1.0

Text
Images
Audio
Video

GPT-6 Luna

Text
Images
Audio
Video

License

Usage and distribution terms

Beam 1.0 is licensed under Apache 2.0, while GPT-6 Luna 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

GPT-6 Luna

Proprietary

Closed source

Release Timeline

When each model was launched

Beam 1.0 was released on 2026-10-16, while GPT-6 Luna was released on 2026-09-22.

Beam 1.0 is 1 month newer than GPT-6 Luna.

Beam 1.0

Oct 16, 2026

4 days ago

3w newer
GPT-6 Luna

Sep 22, 2026

4 weeks ago

Knowledge Cutoff

When training data ends

Beam 1.0 has a knowledge cutoff of 2026-06-30, while GPT-6 Luna has a cutoff of 2026-05-18.

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 GPT-6 Luna (2026-05-18).

Beam 1.0

Jun 2026

1 mo newer
GPT-6 Luna

May 2026

Provider Availability

Beam 1.0 is available from Together, Reflection AI. GPT-6 Luna is available from OpenAI.

Beam 1.0

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

GPT-6 Luna

openai logo
OpenAI
Input Price:Input: $0.10/1MOutput Price:Output: $0.50/1M
* 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 GPT-6 Luna side-by-side, then vote on the output you prefer.

Beam 1.0
✓ Preferred
GPT-6 Luna
Open in Playground

FAQ

Common questions about Beam 1.0 vs GPT-6 Luna.

Which is better, Beam 1.0 or GPT-6 Luna?

Beam 1.0 and GPT-6 Luna are closely matched on the LLM Stats Score at 44.6 and 43.1. Beam 1.0 is made by Reflection AI and GPT-6 Luna is made by OpenAI. 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 GPT-6 Luna 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%. GPT-6 Luna scores DeepSWE 1.1: 66.6%, OSWorld 2.0: 52.7%, Agents' Last Exam: 50.9%, FrontierCode 1.1: 42.4%, AutomationBench v1.0.6: 20.7%.

Is Beam 1.0 cheaper than GPT-6 Luna?

GPT-6 Luna is 4.0x cheaper for input tokens. Beam 1.0 costs $0.40/M input and $1.20/M output via together. GPT-6 Luna costs $0.10/M input and $0.50/M output via openai.

What are the context window sizes for Beam 1.0 and GPT-6 Luna?

Beam 1.0 supports 1.0M tokens and GPT-6 Luna supports 1.1M 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 GPT-6 Luna?

Key differences include LLM Stats Score (44.6 vs 43.1), context window (1.0M vs 1.1M), input pricing ($0.40 vs $0.10/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 GPT-6 Luna?

Beam 1.0 is developed by Reflection AI and GPT-6 Luna is developed by OpenAI.