โ† Back to Model Hub/SIDE-BY-SIDE REVIEW
SHARE THIS:

Claude Opus 4.8 vs Llama 3.1 8B

How do these models stack up? Below is an expert side-by-side comparison of specifications, context window capacity, live pricing per million tokens, and standardized benchmark scores for Claude Opus 4.8 and Llama 3.1 8B.

Anthropic

Claude Opus 4.8

Claude Opus 4.8 is Anthropic's most capable generally available model in the Opus family. It supports text, image, and file inputs with text output, with reasoning support and a 1M-token...

View Full Specs
Meta

Llama 3.1 8B

Llama 3.1 8B is Meta's lightweight open-weight model from the Llama 3.1 generation, optimized for efficient deployment on consumer hardware and edge devices. Despite its compact 8-billion-parameter size, it delivers strong performance on instruction following, text summarization, and lightweight coding tasks. Lllama 3.1 8B is the most downloaded model in the Llama family and runs efficiently on laptops, single GPUs, and CPU via quantization โ€” making it the default choice for on-device AI applications and local prototyping.

View Full Specs

Technical Specifications

SpecificationClaude Opus 4.8Llama 3.1 8B
ProviderAnthropicMeta
Context Window1,000,000 tokens131,072 tokens
Agent Suitability97/10074/100
Time to First Token (TTFT)520 ms80 ms
Deployment Modelmanaged apiself hostable
Production Stabilitybetastable
API AvailableYesYes
Released Date2026-05-272024-07-23

API Pricing Comparison

Input Price per Million Tokens

Claude Opus 4.8

$5.00

Llama 3.1 8B

$0.04

Output Price per Million Tokens

Claude Opus 4.8

$25.00

Llama 3.1 8B

$0.04

Want to test both models live?

Run side-by-side prompt prompts in our dynamic Sandbox. Check execution speeds, latency metrics, and compute actual costs in real-time.

Benchmark Performance Metrics

Scores show the raw performance percentages verified across key evaluation suites. Higher bars indicate superior accuracy and capability in that domain.

MMLUGeneral knowledge & multi-task understanding
9540.0%vsN/A
Claude Opus 4.8
Llama 3.1 8B
HumanEvalPython coding & logic synthesis
9720.0%vsN/A
Claude Opus 4.8
Llama 3.1 8B
MATHComplex mathematical problem solving
9410.0%vsN/A
Claude Opus 4.8
Llama 3.1 8B
GPQAGraduate-level expert reasoning
8650.0%vsN/A
Claude Opus 4.8
Llama 3.1 8B
HellaSwagCommonsense reasoning and inference
9920.0%vsN/A
Claude Opus 4.8
Llama 3.1 8B
MT-BenchMulti-turn conversation flow quality
980.0%vsN/A
Claude Opus 4.8
Llama 3.1 8B

Claude Opus 4.8 Quirks & Gotchas

  • โ–ธBest-in-class for autonomous code repair and multi-agent orchestration
  • โ–ธPreview model โ€” API may introduce breaking changes without notice

Llama 3.1 8B Quirks & Gotchas

  • โ–ธPerfect for CPU/edge deployment โ€” runs on Raspberry Pi with quantization
  • โ–ธLimited tool calling vs larger models โ€” best for simple classification and chat