DeepSeek-V3 vs Llama 3.3 70B: Detailed Comparison

Choosing between DeepSeek-V3 (DeepSeek) and Llama 3.3 70B (Meta) comes down to three things: per-token pricing, context window, and which capability matters most for your workload. DeepSeek-V3 costs $0.27/M input vs $0.59/M for Llama 3.3 70B; context windows are 128K vs 128K tokens. Detailed breakdown below.

Side-by-side specs

SpecDeepSeek-V3Llama 3.3 70B
ProviderDeepSeekMeta
Released2024-12-262024-12-06
Input price $0.27/M $0.59/M
Output price $1.10/M $0.79/M
Cached input $0.0700/M
Context window 128K 128K
Max output 8K 8K
Modalities text text
Tokenizer deepseek llama-3

Capability matrix

CapabilityDeepSeek-V3Llama 3.3 70B
function calling Yes Yes
json mode Yes Yes
streaming Yes Yes
tool use No Yes

Benchmark comparison

Higher is better for all benchmarks shown.

BenchmarkCategoryDeepSeek-V3Llama 3.3 70BΔ
MMLU-Pro general 75.9
HumanEval coding 82.6 88.4 -5.8
MMLU general 86.0

Per-call cost on typical workloads

Workload (in/out tokens)DeepSeek-V3Llama 3.3 70BCheaper by
Standard chat (1K / 500) $0.000820 $0.000985 DeepSeek-V3 by $0.000165
RAG (4K / 500) $0.001630 $0.002755 DeepSeek-V3 by $0.001125
Long doc (20K / 1K) $0.006500 $0.012590 DeepSeek-V3 by $0.006090
Very long context (100K / 2K) $0.028650 $0.060185 DeepSeek-V3 by $0.031535

When to choose DeepSeek-V3 over Llama 3.3 70B

  • Per-token input cost is 54% lower — meaningful for high-volume workloads.

When to choose Llama 3.3 70B over DeepSeek-V3

  • Supports tool use — DeepSeek-V3 does not.

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