Beam 1.0 vs Grok-4.20 Beta Reasoning
Beam 1.0 leads the LLM Stats Score 44.6 to 23.4. Beam 1.0 is 5.0x cheaper per token.
Reflection AI · xAI · Updated for 2026
Which is better?
Beam 1.0 leads the overall LLM Stats Score 44.6 to 23.4, ranking #46 overall.
On price, Beam 1.0 is roughly 5.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Grok-4.20 Beta Reasoning also accepts a larger context window (2,000,000 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
- overall performance matters — it scores 44.6 and ranks #46 on LLM Stats
- your work emphasizes reasoning and agents — it leads those capability indexes
- cost matters — it's about 5.0x cheaper per token
- you want the most recent training data — it shipped Oct 2026
- you need open weights you can self-host or fine-tune
Choose Grok-4.20 Beta Reasoning
- you process long inputs — it offers a 2,000,000 token context window
At a glance
The differences that matter most.
Individual benchmarks
22 reported for Beam 1.0 · 1 for Grok-4.20 Beta Reasoning
Beam 1.0 and Grok-4.20 Beta Reasoningdon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.
Human preference
Blind head-to-head votes and playground preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, Beam 1.0 ($0.40/1M tokens) is 5.0x cheaper than Grok-4.20 Beta Reasoning ($2.00/1M tokens).
For output processing, Beam 1.0 ($1.20/1M tokens) is 5.0x cheaper than Grok-4.20 Beta Reasoning ($6.00/1M tokens).
In conclusion, Grok-4.20 Beta Reasoning is more expensive than Beam 1.0.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Grok-4.20 Beta Reasoning accepts 2,000,000 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 Grok-4.20 Beta Reasoning is limited to 30,000 tokens.
Input capabilities
Documented input modalities across available providers
Grok-4.20 Beta Reasoning supports multimodal inputs, whereas Beam 1.0 does not.
Grok-4.20 Beta Reasoning can handle both text and other forms of data like images, making it suitable for multimodal applications.
Beam 1.0
Grok-4.20 Beta Reasoning
License
Usage and distribution terms
Beam 1.0 is licensed under Apache 2.0, while Grok-4.20 Beta Reasoning uses a proprietary license.
License differences may affect how you can use these models in commercial or open-source projects.
Apache 2.0
Open weights
Proprietary
Closed source
Release Timeline
When each model was launched
Beam 1.0 was released on 2026-10-16, while Grok-4.20 Beta Reasoning was released on 2026-03-09.
Beam 1.0 is 7 months newer than Grok-4.20 Beta Reasoning.
Oct 16, 2026
1 weeks ago
7mo newerMar 9, 2026
7 months ago
Knowledge Cutoff
When training data ends
Beam 1.0 has a documented knowledge cutoff of 2026-06-30, while Grok-4.20 Beta Reasoning'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 Grok-4.20 Beta Reasoning's cutoff date.
Jun 2026
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Provider Availability
Beam 1.0 is available from Together, Reflection AI. Grok-4.20 Beta Reasoning is available from xAI.
Beam 1.0
Grok-4.20 Beta Reasoning
Outputs Comparison
Judge for yourself.
Run your own prompts against Beam 1.0 and Grok-4.20 Beta Reasoning side-by-side, then vote on the output you prefer.
FAQ
Common questions about Beam 1.0 vs Grok-4.20 Beta Reasoning.