Llama 3.1 405B Instruct vs Llama 3.3 70B Instruct

Capability, benchmark, and verified hosting price comparison.

Quick verdict

Cheapest hosting: Llama 3.3 70B Instruct— $0.880 vs $3.000 / 1M blended tokens

Derived from public benchmarks and verified hosting prices. Benchmark wins count only where both models have a score; direction respects each benchmark’s higher-is-better flag.

Llama 3.1 405B Instruct

by Meta · Llama 3.1

Context: 131,072 tokens
Open weight: Yes
License: Llama 3.1 Community License
Params: 405.0B
Modalities: text

Llama 3.3 70B Instruct

by Meta · Llama

Context: 131,072 tokens
Open weight: Yes
License: Llama 3 Community License
Params: 70.0B
Modalities: text

Benchmarks

Benchmark	Llama 3.1 405B Instruct	Llama 3.3 70B Instruct
HumanEval	—	0.884
MMLU	—	0.868

Cheapest verified hosting

Llama 3.1 405B Instruct cheapest

Fireworks.ai

$3.000/ 1M tokens (blended)

Input: $3.000
Output: $3.000
Context: 131,072 tok

Llama 3.3 70B Instruct cheapest

Together.ai

$0.880/ 1M tokens (blended)

Input: $0.880
Output: $0.880
Context: 131,072 tok
Latency p50: 190 ms