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Beam 1.0 vs Claude 3 Opus

Beam 1.0 leads the LLM Stats Score 44.6 to 9.4. Beam 1.0 is 50.0x cheaper per token.

Reflection AI · Anthropic · Updated for 2026

Which is better?

Beam 1.0 leads the overall LLM Stats Score 44.6 to 9.4, ranking #46 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, Beam 1.0 is roughly 50.0x 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

  • 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 1 of 1 exact shared results
  • cost matters — it's about 50.0x 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 Claude 3 Opus

  • you want predictable pricing at $15.00/M input and $75.00/M output

At a glance

The differences that matter most.

Core performance indexes
44.6
#46
9.4
#293
45.5
#37
9.3
#287
33.7
#39
5.0
#225
Cost, coverage & limits
Benchmark wins
1 of 1
0 of 1
Input price
$0.40 / M
$15.00 / M
Output price
$1.20 / M
$75.00 / M
Context window
1,048,576
200,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Beam 1.0
Claude 3 Opus
35.1#45
16.1#221
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

22 reported for Beam 1.0 · 11 for Claude 3 Opus

1 shared

Beam 1.0 outperforms in 1 benchmarks (GPQA), while Claude 3 Opus is better at 0 benchmarks.

Beam 1.0 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

Beam 1.0 costs less

For input processing, Beam 1.0 ($0.40/1M tokens) is 37.5x cheaper than Claude 3 Opus ($15.00/1M tokens).

For output processing, Beam 1.0 ($1.20/1M tokens) is 62.5x cheaper than Claude 3 Opus ($75.00/1M tokens).

In conclusion, Claude 3 Opus 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
Anthropic
Claude 3 Opus
Input tokens$15.00
Output tokens$75.00
Best providerAnthropic
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

Beam 1.0 accepts 1,048,576 input tokens compared to Claude 3 Opus's 200,000 tokens. Claude 3 Opus can generate longer responses up to 200,000 tokens, while Beam 1.0 is limited to 131,072 tokens.

Reflection AI
Beam 1.0
Input1,048,576 tokens
Output131,072 tokens
Anthropic
Claude 3 Opus
Input200,000 tokens
Output200,000 tokens
Thu Oct 22 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Claude 3 Opus supports multimodal inputs, whereas Beam 1.0 does not.

Claude 3 Opus can handle both text and other forms of data like images, making it suitable for multimodal applications.

Beam 1.0

Text
Images
Audio
Video

Claude 3 Opus

Text
Images
Audio
Video

License

Usage and distribution terms

Beam 1.0 is licensed under Apache 2.0, while Claude 3 Opus 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

Claude 3 Opus

Proprietary

Closed source

Release Timeline

When each model was launched

Beam 1.0 was released on 2026-10-16, while Claude 3 Opus was released on 2024-02-29.

Beam 1.0 is 32 months newer than Claude 3 Opus.

Beam 1.0

Oct 16, 2026

3 days ago

2.6yr newer
Claude 3 Opus

Feb 29, 2024

2.6 years ago

Knowledge Cutoff

When training data ends

Beam 1.0 has a documented knowledge cutoff of 2026-06-30, while Claude 3 Opus'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 Claude 3 Opus's cutoff date.

Beam 1.0

Jun 2026

Claude 3 Opus

—

Provider Availability

Beam 1.0 is available from Together, Reflection AI. Claude 3 Opus is available from Anthropic, Bedrock, Google.

Beam 1.0

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

Claude 3 Opus

anthropic logo
Anthropic
Input Price:Input: $15.00/1MOutput Price:Output: $75.00/1M
bedrock logo
AWS Bedrock
Input Price:Input: $15.00/1MOutput Price:Output: $75.00/1M
google logo
Google
Input Price:Input: $15.00/1MOutput Price:Output: $75.00/1M
* 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 Claude 3 Opus side-by-side, then vote on the output you prefer.

Beam 1.0
✓ Preferred
Claude 3 Opus
Open in Playground

FAQ

Common questions about Beam 1.0 vs Claude 3 Opus.

Which is better, Beam 1.0 or Claude 3 Opus?

Beam 1.0 leads the LLM Stats Score 44.6 to 9.4. Beam 1.0 is made by Reflection AI and Claude 3 Opus is made by Anthropic. 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 Claude 3 Opus 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%. Claude 3 Opus scores ARC-C: 96.4%, HellaSwag: 95.4%, GSM8k: 95.0%, MGSM: 90.7%, BIG-Bench Hard: 86.8%.

Is Beam 1.0 cheaper than Claude 3 Opus?

Beam 1.0 is 37.5x cheaper for input tokens. Beam 1.0 costs $0.40/M input and $1.20/M output via together. Claude 3 Opus costs $15.00/M input and $75.00/M output via anthropic.

What are the context window sizes for Beam 1.0 and Claude 3 Opus?

Beam 1.0 supports 1.0M tokens and Claude 3 Opus supports 200K 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 Claude 3 Opus?

Key differences include LLM Stats Score (44.6 vs 9.4), context window (1.0M vs 200K), input pricing ($0.40 vs $15.00/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 Claude 3 Opus?

Beam 1.0 is developed by Reflection AI and Claude 3 Opus is developed by Anthropic.