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Claude Haiku 5.5 vs Llama 3.1 405B Instruct

Claude Haiku 5.5 leads the LLM Stats Score 50.0 to 14.7. Claude Haiku 5.5 is 4.5x cheaper per token.

Anthropic · Meta · Updated for 2026

Which is better?

Claude Haiku 5.5 leads the overall LLM Stats Score 50.0 to 14.7, ranking #19 overall.

On price, Claude Haiku 5.5 is roughly 4.5x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Claude Haiku 5.5 also accepts a larger context window (1,000,000 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 Claude Haiku 5.5

  • overall performance matters — it scores 50.0 and ranks #19 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • cost matters — it's about 4.5x cheaper per token
  • you process long inputs — it offers a 1,000,000 token context window
  • you want the most recent training data — it shipped Oct 2026

Choose Llama 3.1 405B Instruct

  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Claude Haiku 5.5
Anthropic
Llama 3.1 405B Instruct
Meta
Core performance indexes
LLM Stats Score
50.0
#19
14.7
#249
Reasoning
47.2
#27
13.8
#249
Coding
40.2
#13
11.5
#167
Cost, coverage & limits
Benchmark wins
—
—
Input price
$0.10 / M
$0.89 / M
Output price
$0.50 / M
$0.89 / M
Context window
1,000,000
128,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
Claude Haiku 5.5
Llama 3.1 405B Instruct
Math
25.7#110
19.3#174
Tool use
20.3#59
30.8#5
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

36 reported for Claude Haiku 5.5 · 18 for Llama 3.1 405B Instruct

No common benchmarks found

Claude Haiku 5.5 and Llama 3.1 405B Instructdon'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

Claude Haiku 5.5 costs less

For input processing, Claude Haiku 5.5 ($0.10/1M tokens) is 8.9x cheaper than Llama 3.1 405B Instruct ($0.89/1M tokens).

For output processing, Claude Haiku 5.5 ($0.50/1M tokens) is 1.8x cheaper than Llama 3.1 405B Instruct ($0.89/1M tokens).

In conclusion, Llama 3.1 405B Instruct is more expensive than Claude Haiku 5.5.*

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

Lowest available price from all providers
Thu Oct 08 2026 • llm-stats.com
Anthropic
Claude Haiku 5.5
Input tokens$0.10
Output tokens$0.50
Best providerAnthropic
Meta
Llama 3.1 405B Instruct
Input tokens$0.89
Output tokens$0.89
Best providerLambda
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

Claude Haiku 5.5 accepts 1,000,000 input tokens compared to Llama 3.1 405B Instruct's 128,000 tokens. Both models can generate responses up to 128,000 tokens.

Anthropic
Claude Haiku 5.5
Input1,000,000 tokens
Output128,000 tokens
Meta
Llama 3.1 405B Instruct
Input128,000 tokens
Output128,000 tokens
Thu Oct 08 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Claude Haiku 5.5 supports multimodal inputs, whereas Llama 3.1 405B Instruct does not.

Claude Haiku 5.5 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Claude Haiku 5.5

Text
Images
Audio
Video

Llama 3.1 405B Instruct

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Haiku 5.5 is licensed under a proprietary license, while Llama 3.1 405B Instruct uses Llama 3.1 Community License.

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

Claude Haiku 5.5

Proprietary

Closed source

Llama 3.1 405B Instruct

Llama 3.1 Community License

Open weights

Release Timeline

When each model was launched

Claude Haiku 5.5 was released on 2026-10-07, while Llama 3.1 405B Instruct was released on 2024-07-23.

Claude Haiku 5.5 is 27 months newer than Llama 3.1 405B Instruct.

Claude Haiku 5.5

Oct 7, 2026

1 days ago

2.2yr newer
Llama 3.1 405B Instruct

Jul 23, 2024

2.2 years ago

Knowledge Cutoff

When training data ends

Claude Haiku 5.5 has a documented knowledge cutoff of 2026-06-01, while Llama 3.1 405B Instruct's cutoff date is not specified.

We can confirm Claude Haiku 5.5's training data extends to 2026-06-01, but cannot make a direct comparison without Llama 3.1 405B Instruct's cutoff date.

Claude Haiku 5.5

Jun 2026

Llama 3.1 405B Instruct

—

Provider Availability

Claude Haiku 5.5 is available from Anthropic. Llama 3.1 405B Instruct is available from Lambda, DeepInfra, Fireworks, Bedrock, Together, Hyperbolic, Google, Replicate.

Claude Haiku 5.5

anthropic logo
Anthropic
Input Price:Input: $0.10/1MOutput Price:Output: $0.50/1M

Llama 3.1 405B Instruct

lambda logo
Lambda
Input Price:Input: $0.89/1MOutput Price:Output: $0.89/1M
deepinfra logo
Deepinfra
Input Price:Input: $1.79/1MOutput Price:Output: $1.79/1M
fireworks logo
Fireworks
Input Price:Input: $3.00/1MOutput Price:Output: $3.00/1M
bedrock logo
AWS Bedrock
Input Price:Input: $3.00/1MOutput Price:Output: $3.00/1M
together logo
Together
Input Price:Input: $3.50/1MOutput Price:Output: $3.50/1M
hyperbolic logo
Hyperbolic
Input Price:Input: $4.00/1MOutput Price:Output: $4.00/1M
google logo
Google
Input Price:Input: $5.00/1MOutput Price:Output: $16.00/1M
replicate logo
Replicate
Input Price:Input: $9.50/1MOutput Price:Output: $9.50/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Claude Haiku 5.5 and Llama 3.1 405B Instruct side-by-side, then vote on the output you prefer.

Claude Haiku 5.5
✓ Preferred
Llama 3.1 405B Instruct
Open in Playground

FAQ

Common questions about Claude Haiku 5.5 vs Llama 3.1 405B Instruct.

Which is better, Claude Haiku 5.5 or Llama 3.1 405B Instruct?

Claude Haiku 5.5 leads the LLM Stats Score 50.0 to 14.7. Claude Haiku 5.5 is made by Anthropic and Llama 3.1 405B Instruct 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 Haiku 5.5 compare to Llama 3.1 405B Instruct in benchmarks?

Claude Haiku 5.5 scores Global-MMLU: 87.8%, MILU: 87.6%, BenchCAD (with Python tool): 87.0%, Chartography: 86.2%, SWE-bench Multilingual: 83.7%. Llama 3.1 405B Instruct scores ARC-C: 96.9%, GSM8k: 96.8%, API-Bank: 92.0%, Multilingual MGSM (CoT): 91.6%, HumanEval: 89.0%.

Is Claude Haiku 5.5 cheaper than Llama 3.1 405B Instruct?

Claude Haiku 5.5 is 8.9x cheaper for input tokens. Claude Haiku 5.5 costs $0.10/M input and $0.50/M output via anthropic. Llama 3.1 405B Instruct costs $0.89/M input and $0.89/M output via lambda.

What are the context window sizes for Claude Haiku 5.5 and Llama 3.1 405B Instruct?

Claude Haiku 5.5 supports 1.0M tokens and Llama 3.1 405B Instruct supports 128K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Claude Haiku 5.5 and Llama 3.1 405B Instruct?

Key differences include LLM Stats Score (50.0 vs 14.7), context window (1.0M vs 128K), input pricing ($0.10 vs $0.89/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 Haiku 5.5 and Llama 3.1 405B Instruct?

Claude Haiku 5.5 is developed by Anthropic and Llama 3.1 405B Instruct is developed by Meta.

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