DeepSeek Chat V3 vs Llama 3.1 70B

Performance benchmarks + pricing comparison — updated April 2026

DeepSeek Chat V3

DeepSeek

Very affordable general-purpose model from DeepSeek. Strong coding and reasoning at low cost.

Input$0.270/M
Output$1.10/M
Context128K tokens
Best ForCost-sensitive projects, coding, general tasks
Benchmark62/100

Llama 3.1 70B

Meta

Meta's mid-size Llama 3.1. Strong general performance with open weights for custom deployment.

Input$0.200/M
Output$0.400/M
Context128K tokens
Best ForGeneral AI tasks, custom deployment, fine-tuning

Cost Comparison by Scenario

Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.

ScenarioDeepSeek Chat V3Llama 3.1 70BSavings
Small Script (1K lines) $0.04 $0.02 Llama 3.1 70B saves $0.02 (55%)
Medium Feature (10K lines) $0.31 $0.15 Llama 3.1 70B saves $0.16 (52%)
Large Project (50K lines) $1.57 $0.75 Llama 3.1 70B saves $0.82 (52%)
Code Review (5K lines) $0.07 $0.04 Llama 3.1 70B saves $0.03 (40%)

Verdict

Llama 3.1 70B wins on both price and performance — $0.200/M input with a benchmark score of N/A/100.

For most developers, this is the clear choice between these two models.

Compare with Other Models