Compare/o1-mini vs Llama 3.1 Instruct 405B

o1-minivsLlama 3.1 Instruct 405B

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

OpenAI

o1-mini

Input
$0/M
Output
$0/M
Speed
TTFT
Meta

Llama 3.1 Instruct 405B

Input
$2.75/M
Output
$6.5/M
Speed
31 tok/s
TTFT
0.47s

Winner by Category

Cheaper
o1-mini
Faster (tok/s)
Llama 3.1 Instruct 405B
Lower Latency
o1-mini
Benchmarks (7-5)
o1-mini

Pricing Comparison

Metrico1-miniLlama 3.1 Instruct 405B
Input ($/M tokens)$0$2.75
Output ($/M tokens)$0$6.5
Cost for 1M input + 100K output tokens:
o1-mini$0.00
Llama 3.1 Instruct 405B$3.40

Speed Comparison

Output Speed (tokens/s) — higher is better
o1-mini
Llama 3.1 Instruct 405B
31 tok/s
Time to First Token (seconds) — lower is better
o1-mini
Llama 3.1 Instruct 405B
0.47s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
20.417.4
Coding Index
14.5
Math Index
3.0
GPQA Diamond
60.3%51.5%
MMLU-Pro
74.2%73.2%
LiveCodeBench
57.6%30.5%
AIME 2025
3.0%
MATH-500
94.4%70.3%
Humanity's Last Exam
4.9%4.2%
SciCode
32.3%29.9%
IFBench
39.0%
TerminalBench
6.8%
o1-mini7 wins
5 winsLlama 3.1 Instruct 405B

Frequently Asked Questions

Which is cheaper, o1-mini or Llama 3.1 Instruct 405B?

o1-mini is cheaper overall. Its blended price (3:1 input/output ratio) is $0.00/M tokens vs $3.69/M for Llama 3.1 Instruct 405B.

Which model performs better on benchmarks?

o1-mini wins 7 out of 12 benchmarks compared to 5 for Llama 3.1 Instruct 405B. See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

Llama 3.1 Instruct 405B generates tokens faster at 31 tok/s vs 0 tok/s. o1-mini also has lower time-to-first-token (0.00s vs 0.47s).

When should I use o1-mini vs Llama 3.1 Instruct 405B?

Choose based on your priorities: o1-mini for lower cost, o1-mini for stronger benchmark performance, and Llama 3.1 Instruct 405B for faster generation. For latency-sensitive apps, check the TTFT comparison above.