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Claude Opus 5.5 vs Llama 4 Maverick

Claude Opus 5.5 leads the LLM Stats Score 59.7 to 14.7. Llama 4 Maverick is 28.8x cheaper per token.

Anthropic · Meta · Updated for 2026

Which is better?

Claude Opus 5.5 leads the overall LLM Stats Score 59.7 to 14.7, ranking #1 overall.

On price, Llama 4 Maverick is roughly 28.8x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Claude Opus 5.5

  • overall performance matters — it scores 59.7 and ranks #1 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you want the most recent training data — it shipped Sep 2026

Choose Llama 4 Maverick

  • cost matters — it's about 28.8x cheaper per token
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Core performance indexes
59.7
#1
14.7
#240
57.8
#1
14.3
#236
51.7
#1
3.0
#225
Cost, coverage & limits
Benchmark wins
Input price
$4.00 / M
$0.17 / M
Output price
$20.00 / M
$0.60 / M
Context window
1,000,000
1,000,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

3 shared
Index
Claude Opus 5.5
Llama 4 Maverick
42.5#5
20.4#158
42.8#1
12.4#106
42.5#1
15.7#91
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

31 reported for Claude Opus 5.5 · 13 for Llama 4 Maverick

No common benchmarks found

Claude Opus 5.5 and Llama 4 Maverickdon'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

Llama 4 Maverick costs less

For input processing, Claude Opus 5.5 ($4.00/1M tokens) is 23.5x more expensive than Llama 4 Maverick ($0.17/1M tokens).

For output processing, Claude Opus 5.5 ($20.00/1M tokens) is 33.3x more expensive than Llama 4 Maverick ($0.60/1M tokens).

In conclusion, Claude Opus 5.5 is more expensive than Llama 4 Maverick.*

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

Lowest available price from all providers
Tue Sep 22 2026 • llm-stats.com
Anthropic
Claude Opus 5.5
Input tokens$4.00
Output tokens$20.00
Best providerAnthropic
Meta
Llama 4 Maverick
Input tokens$0.17
Output tokens$0.60
Best providerDeepinfra
Notice missing or incorrect data?Start an Issue

Context Window

Maximum input and output token capacity

Both models have the same input context window of 1,000,000 tokens. Llama 4 Maverick can generate longer responses up to 1,000,000 tokens, while Claude Opus 5.5 is limited to 128,000 tokens.

Anthropic
Claude Opus 5.5
Input1,000,000 tokens
Output128,000 tokens
Meta
Llama 4 Maverick
Input1,000,000 tokens
Output1,000,000 tokens
Tue Sep 22 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Both Claude Opus 5.5 and Llama 4 Maverick support multimodal inputs.

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

Claude Opus 5.5

Text
Images
Audio
Video

Llama 4 Maverick

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Opus 5.5 is licensed under a proprietary license, while Llama 4 Maverick uses Llama 4 Community License Agreement.

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

Claude Opus 5.5

Proprietary

Closed source

Llama 4 Maverick

Llama 4 Community License Agreement

Open weights

Release Timeline

When each model was launched

Claude Opus 5.5 was released on 2026-09-22, while Llama 4 Maverick was released on 2025-04-05.

Claude Opus 5.5 is 18 months newer than Llama 4 Maverick.

Claude Opus 5.5

Sep 22, 2026

0 days ago

1.5yr newer
Llama 4 Maverick

Apr 5, 2025

1.5 years ago

Knowledge Cutoff

When training data ends

Claude Opus 5.5 has a documented knowledge cutoff of 2026-06-01, while Llama 4 Maverick's cutoff date is not specified.

We can confirm Claude Opus 5.5's training data extends to 2026-06-01, but cannot make a direct comparison without Llama 4 Maverick's cutoff date.

Claude Opus 5.5

Jun 2026

Llama 4 Maverick

Provider Availability

Claude Opus 5.5 is available from Anthropic. Llama 4 Maverick is available from DeepInfra, Novita, Lambda, Groq, Fireworks, Together, Sambanova.

Claude Opus 5.5

anthropic logo
Anthropic
Input Price:Input: $4.00/1MOutput Price:Output: $20.00/1M

Llama 4 Maverick

deepinfra logo
Deepinfra
Input Price:Input: $0.17/1MOutput Price:Output: $0.60/1M
novita logo
Novita
Input Price:Input: $0.17/1MOutput Price:Output: $0.85/1M
lambda logo
Lambda
Input Price:Input: $0.18/1MOutput Price:Output: $0.60/1M
groq logo
Groq
Input Price:Input: $0.20/1MOutput Price:Output: $0.60/1M
fireworks logo
Fireworks
Input Price:Input: $0.22/1MOutput Price:Output: $0.88/1M
together logo
Together
Input Price:Input: $0.27/1MOutput Price:Output: $0.85/1M
sambanova logo
Sambanova
Input Price:Input: $0.63/1MOutput Price:Output: $1.79/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

Run your own prompts against Claude Opus 5.5 and Llama 4 Maverick side-by-side, then vote on the output you prefer.

Claude Opus 5.5
✓ Preferred
Llama 4 Maverick
Open in Playground

FAQ

Common questions about Claude Opus 5.5 vs Llama 4 Maverick.

Which is better, Claude Opus 5.5 or Llama 4 Maverick?

Claude Opus 5.5 leads the LLM Stats Score 59.7 to 14.7. Claude Opus 5.5 is made by Anthropic and Llama 4 Maverick is made by Meta. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Claude Opus 5.5 compare to Llama 4 Maverick in benchmarks?

Claude Opus 5.5 scores BenchCAD (with Python tool): 96.2%, Global-MMLU: 94.3%, SWE-bench Multilingual: 93.9%, MILU: 93.1%, ArXivMath: 91.2%. Llama 4 Maverick scores DocVQA: 94.4%, MGSM: 92.3%, ChartQA: 90.0%, MMLU: 85.5%, MMLU-Pro: 80.5%.

Is Claude Opus 5.5 cheaper than Llama 4 Maverick?

Llama 4 Maverick is 23.5x cheaper for input tokens. Claude Opus 5.5 costs $4.00/M input and $20.00/M output via anthropic. Llama 4 Maverick costs $0.17/M input and $0.60/M output via deepinfra.

What are the context window sizes for Claude Opus 5.5 and Llama 4 Maverick?

Claude Opus 5.5 supports 1.0M tokens and Llama 4 Maverick 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 Opus 5.5 and Llama 4 Maverick?

Key differences include LLM Stats Score (59.7 vs 14.7), input pricing ($4.00 vs $0.17/M), licensing (Proprietary vs Llama 4 Community License Agreement). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Opus 5.5 and Llama 4 Maverick?

Claude Opus 5.5 is developed by Anthropic and Llama 4 Maverick is developed by Meta.