Model Comparison

Claude Opus 4.1 vs Llama 3.1 8B Instruct

Claude Opus 4.1 significantly outperforms across most benchmarks. Llama 3.1 8B Instruct is 1000.0x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

Claude Opus 4.1 outperforms in 1 benchmarks (GPQA), while Llama 3.1 8B Instruct is better at 0 benchmarks.

Claude Opus 4.1 significantly outperforms across most benchmarks.

Sat May 09 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Llama 3.1 8B Instruct costs less

For input processing, Claude Opus 4.1 ($15.00/1M tokens) is 500.0x more expensive than Llama 3.1 8B Instruct ($0.03/1M tokens).

For output processing, Claude Opus 4.1 ($75.00/1M tokens) is 2500.0x more expensive than Llama 3.1 8B Instruct ($0.03/1M tokens).

In conclusion, Claude Opus 4.1 is more expensive than Llama 3.1 8B Instruct.*

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

Lowest available price from all providers

Sat May 09 2026 • llm-stats.com

Claude Opus 4.1

Input tokens$15.00

Output tokens$75.00

Best providerAnthropic

Llama 3.1 8B Instruct

Input tokens$0.03

Output tokens$0.03

Best providerLambda

Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Claude Opus 4.1 accepts 200,000 input tokens compared to Llama 3.1 8B Instruct's 131,072 tokens. Llama 3.1 8B Instruct can generate longer responses up to 131,072 tokens, while Claude Opus 4.1 is limited to 32,000 tokens.

Claude Opus 4.1

Input200,000 tokens

Output32,000 tokens

Llama 3.1 8B Instruct

Input131,072 tokens

Output131,072 tokens

Sat May 09 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Claude Opus 4.1 supports multimodal inputs, whereas Llama 3.1 8B Instruct does not.

Claude Opus 4.1 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Claude Opus 4.1

Text

Images

Audio

Video

Llama 3.1 8B Instruct

Text

Images

Audio

Video

License

Usage and distribution terms

Claude Opus 4.1 is licensed under a proprietary license, while Llama 3.1 8B Instruct uses Llama 3.1 Community License.

License differences may affect how you can use these models in commercial or open-source projects.

Claude Opus 4.1

Proprietary

Closed source

Llama 3.1 8B Instruct

Llama 3.1 Community License

Open weights

Release Timeline

When each model was launched

Claude Opus 4.1 was released on 2025-08-05, while Llama 3.1 8B Instruct was released on 2024-07-23.

Claude Opus 4.1 is 13 months newer than Llama 3.1 8B Instruct.

Claude Opus 4.1

Aug 5, 2025

9 months ago

1.0yr newer

Llama 3.1 8B Instruct

Jul 23, 2024

1.8 years ago

Knowledge Cutoff

When training data ends

Llama 3.1 8B Instruct has a documented knowledge cutoff of 2023-12-31, while Claude Opus 4.1's cutoff date is not specified.

We can confirm Llama 3.1 8B Instruct's training data extends to 2023-12-31, but cannot make a direct comparison without Claude Opus 4.1's cutoff date.

Claude Opus 4.1

—

Llama 3.1 8B Instruct

Dec 2023

Provider Availability

Claude Opus 4.1 is available from Anthropic, Bedrock, Google. Llama 3.1 8B Instruct is available from Lambda, DeepInfra, Groq, Sambanova, Cerebras, Hyperbolic, Together, Fireworks, Bedrock.

Claude Opus 4.1

Anthropic

Input Price:Input: $15.00/1MOutput Price:Output: $75.00/1M

AWS Bedrock

Input Price:Input: $15.00/1MOutput Price:Output: $75.00/1M

Google

Input Price:Input: $15.00/1MOutput Price:Output: $75.00/1M

Llama 3.1 8B Instruct

Lambda

Input Price:Input: $0.03/1MOutput Price:Output: $0.03/1M

Deepinfra

Input Price:Input: $0.05/1MOutput Price:Output: $0.05/1M

Groq

Input Price:Input: $0.05/1MOutput Price:Output: $0.08/1M

Sambanova

Input Price:Input: $0.10/1MOutput Price:Output: $0.20/1M

Cerebras

Input Price:Input: $0.10/1MOutput Price:Output: $0.10/1M

Hyperbolic

Input Price:Input: $0.10/1MOutput Price:Output: $0.10/1M

Together

Input Price:Input: $0.20/1MOutput Price:Output: $0.20/1M

Fireworks

Input Price:Input: $0.20/1MOutput Price:Output: $0.20/1M

AWS Bedrock

Input Price:Input: $0.22/1MOutput Price:Output: $0.22/1M

* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

Claude Opus 4.1

View details

Anthropic

Larger context window (200,000 tokens)

Supports multimodal inputs

Higher GPQA score (80.9% vs 30.4%)

Llama 3.1 8B Instruct

View details

Detailed Comparison

AI Model Comparison Table
Feature	Claude Opus 4.1	Llama 3.1 8B Instruct

FAQ

Common questions about Claude Opus 4.1 vs Llama 3.1 8B Instruct.

Which is better, Claude Opus 4.1 or Llama 3.1 8B Instruct?

Claude Opus 4.1 significantly outperforms across most benchmarks. Claude Opus 4.1 is made by Anthropic and Llama 3.1 8B Instruct is made by Meta. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Claude Opus 4.1 compare to Llama 3.1 8B Instruct in benchmarks?

Claude Opus 4.1 scores MMMLU: 89.5%, TAU-bench Retail: 82.4%, GPQA: 80.9%, AIME 2025: 78.0%, MMMU (validation): 77.1%. Llama 3.1 8B Instruct scores GSM-8K (CoT): 84.5%, ARC-C: 83.4%, API-Bank: 82.6%, IFEval: 80.4%, BFCL: 76.1%.

Is Claude Opus 4.1 cheaper than Llama 3.1 8B Instruct?

Llama 3.1 8B Instruct is 500.0x cheaper for input tokens. Claude Opus 4.1 costs $15.00/M input and $75.00/M output via anthropic. Llama 3.1 8B Instruct costs $0.03/M input and $0.03/M output via lambda.

What are the context window sizes for Claude Opus 4.1 and Llama 3.1 8B Instruct?

Claude Opus 4.1 supports 200K tokens and Llama 3.1 8B Instruct supports 131K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Claude Opus 4.1 and Llama 3.1 8B Instruct?

Key differences include context window (200K vs 131K), input pricing ($15.00 vs $0.03/M), multimodal support (yes vs no), licensing (Proprietary vs Llama 3.1 Community License). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Opus 4.1 and Llama 3.1 8B Instruct?

Claude Opus 4.1 is developed by Anthropic and Llama 3.1 8B Instruct is developed by Meta.