Compare/DeepSeek V3 0324 vs GPT-3.5 Turbo

DeepSeek V3 0324vsGPT-3.5 Turbo

Side-by-side comparison of pricing, 12 benchmarks, and generation speed.

DeepSeek

DeepSeek V3 0324

Input
$1.25/M
Output
$1.45/M
Speed
TTFT
OpenAI

GPT-3.5 Turbo

Input
$0.5/M
Output
$1.5/M
Speed
100 tok/s
TTFT
0.43s

Winner by Category

Cheaper
GPT-3.5 Turbo
Faster (tok/s)
GPT-3.5 Turbo
Lower Latency
DeepSeek V3 0324
Benchmarks (12-0)
DeepSeek V3 0324

Pricing Comparison

MetricDeepSeek V3 0324GPT-3.5 Turbo
Input ($/M tokens)$1.25$0.5
Output ($/M tokens)$1.45$1.5
Cost for 1M input + 100K output tokens:
DeepSeek V3 0324$1.40
GPT-3.5 Turbo$0.65

Speed Comparison

Output Speed (tokens/s) — higher is better
DeepSeek V3 0324
GPT-3.5 Turbo
100 tok/s
Time to First Token (seconds) — lower is better
DeepSeek V3 0324
GPT-3.5 Turbo
0.43s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
22.39.0
Coding Index
22.010.7
Math Index
41.0
GPQA Diamond
65.5%29.7%
MMLU-Pro
81.9%46.2%
LiveCodeBench
40.5%
AIME 2025
41.0%
MATH-500
94.2%44.1%
Humanity's Last Exam
5.2%
SciCode
35.8%
IFBench
41.0%
TerminalBench
15.2%
DeepSeek V3 032412 wins
0 winsGPT-3.5 Turbo

Frequently Asked Questions

Which is cheaper, DeepSeek V3 0324 or GPT-3.5 Turbo?

GPT-3.5 Turbo is cheaper overall. Its blended price (3:1 input/output ratio) is $0.75/M tokens vs $1.25/M for DeepSeek V3 0324.

Which model performs better on benchmarks?

DeepSeek V3 0324 wins 12 out of 12 benchmarks compared to 0 for GPT-3.5 Turbo. See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

GPT-3.5 Turbo generates tokens faster at 100 tok/s vs 0 tok/s. DeepSeek V3 0324 also has lower time-to-first-token (0.00s vs 0.43s).

When should I use DeepSeek V3 0324 vs GPT-3.5 Turbo?

Choose based on your priorities: GPT-3.5 Turbo for lower cost, DeepSeek V3 0324 for stronger benchmark performance, and GPT-3.5 Turbo for faster generation. For latency-sensitive apps, check the TTFT comparison above.