Comprehensive side-by-side LLM comparison
Claude Sonnet 4 leads with 45.0% higher average benchmark score. Claude Sonnet 4 offers 65.9K more tokens in context window than Llama 3.1 8B Instruct. Llama 3.1 8B Instruct is $17.94 cheaper per million tokens. Claude Sonnet 4 supports multimodal inputs. Llama 3.1 8B Instruct is available on 9 providers. Overall, Claude Sonnet 4 is the stronger choice for coding tasks.
Anthropic
Claude Sonnet 4 was created as the balanced offering in the Claude 4 family, designed to provide strong intelligence with practical speed and cost efficiency. Built to serve as a versatile workhorse for diverse applications, it balances advanced capabilities with operational considerations for everyday enterprise and consumer use.
Meta
Llama 3.1 8B was developed as an efficient open-source model, designed to bring capable instruction-following to applications with limited computational resources. Built with 8 billion parameters, it provides a lightweight option for developers seeking reliable performance without the overhead of larger models.
10 months newer

Llama 3.1 8B Instruct
Meta
2024-07-23

Claude Sonnet 4
Anthropic
2025-05-22
Cost per million tokens (USD)

Claude Sonnet 4

Llama 3.1 8B Instruct
Context window and performance specifications
Average performance across 1 common benchmarks

Claude Sonnet 4

Llama 3.1 8B Instruct
Llama 3.1 8B Instruct
2023-12-31
Available providers and their performance metrics

Claude Sonnet 4
Anthropic
Bedrock
ZeroEval

Claude Sonnet 4

Llama 3.1 8B Instruct

Claude Sonnet 4

Llama 3.1 8B Instruct

Llama 3.1 8B Instruct
Bedrock
Cerebras
DeepInfra
Fireworks
Groq
Hyperbolic
Lambda
Sambanova
Together