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Claude 3 Opus vs Particle-1

Particle-1 leads the LLM Stats Score 31.9 to 9.4. Particle-1 is 68.6x cheaper per token.

Anthropic · Particle AI · Updated for 2026

Which is better?

Particle-1 leads the overall LLM Stats Score 31.9 to 9.4, ranking #133 overall.

The models split the 2 individual benchmarks reported for both models evenly.

On price, Particle-1 is roughly 68.6x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Particle-1 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 Claude 3 Opus

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

Choose Particle-1

  • overall performance matters — it scores 31.9 and ranks #133 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • cost matters — it's about 68.6x 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

At a glance

The differences that matter most.

Core performance indexes
9.4
#303
31.9
#133
9.4
#297
31.2
#135
Cost, coverage & limits
Benchmark wins
1 of 2
1 of 2
Input price
$15.00 / M
$0.25 / M
Output price
$75.00 / M
$1.00 / M
Context window
200,000
1,048,576

Individual benchmarks

11 reported for Claude 3 Opus · 3 for Particle-1

2 shared

Claude 3 Opus outperforms in 1 benchmarks (MMLU), while Particle-1 is better at 1 benchmark (GPQA).

Both models are evenly matched across the 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, Claude 3 Opus ($15.00/1M tokens) is 60.0x more expensive than Particle-1 ($0.25/1M tokens).

For output processing, Claude 3 Opus ($75.00/1M tokens) is 75.0x more expensive than Particle-1 ($1.00/1M tokens).

In conclusion, Claude 3 Opus 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
Anthropic
Claude 3 Opus
Input tokens$15.00
Output tokens$75.00
Best providerAnthropic
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

Particle-1 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 Particle-1 is limited to 131,072 tokens.

Anthropic
Claude 3 Opus
Input200,000 tokens
Output200,000 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

Both Claude 3 Opus and Particle-1 support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Claude 3 Opus

Text
Images
Audio
Video

Particle-1

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Claude 3 Opus

Proprietary

Closed source

Particle-1

Proprietary

Closed source

Release Timeline

When each model was launched

Claude 3 Opus was released on 2024-02-29, while Particle-1 was released on 2026-10-28.

Particle-1 is 32 months newer than Claude 3 Opus.

Claude 3 Opus

Feb 29, 2024

2.7 years ago

Particle-1

Oct 28, 2026

-3 days ago

2.7yr newer

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Provider Availability

Claude 3 Opus is available from Anthropic, Bedrock, Google. Particle-1 is available from Particle AI.

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

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 Claude 3 Opus and Particle-1 side-by-side, then vote on the output you prefer.

Claude 3 Opus
✓ Preferred
Particle-1
Open in Playground

FAQ

Common questions about Claude 3 Opus vs Particle-1.

Which is better, Claude 3 Opus or Particle-1?

Particle-1 leads the LLM Stats Score 31.9 to 9.4. Claude 3 Opus is made by Anthropic 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 Claude 3 Opus compare to Particle-1 in benchmarks?

Claude 3 Opus scores ARC-C: 96.4%, HellaSwag: 95.4%, GSM8k: 95.0%, MGSM: 90.7%, BIG-Bench Hard: 86.8%. Particle-1 scores GPQA: 90.4%, BabyVision: 89.2%, MMLU: 86.1%.

Is Claude 3 Opus cheaper than Particle-1?

Particle-1 is 60.0x cheaper for input tokens. Claude 3 Opus costs $15.00/M input and $75.00/M output via anthropic. Particle-1 costs $0.25/M input and $1.00/M output via particle-ai.

What are the context window sizes for Claude 3 Opus and Particle-1?

Claude 3 Opus supports 200K 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 Claude 3 Opus and Particle-1?

Key differences include LLM Stats Score (9.4 vs 31.9), context window (200K vs 1.0M), input pricing ($15.00 vs $0.25/M). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude 3 Opus and Particle-1?

Claude 3 Opus is developed by Anthropic and Particle-1 is developed by Particle AI.