Compare/Llama 3.1 Tulu3 405B vs GPT-5.4 mini (Non-Reasoning)

Llama 3.1 Tulu3 405BvsGPT-5.4 mini (Non-Reasoning)

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

Allen Institute for AI

Llama 3.1 Tulu3 405B

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

GPT-5.4 mini (Non-Reasoning)

Input
$0.75/M
Output
$4.5/M
Speed
202 tok/s
TTFT
0.45s

Winner by Category

Cheaper
Llama 3.1 Tulu3 405B
Faster (tok/s)
GPT-5.4 mini (Non-Reasoning)
Lower Latency
Llama 3.1 Tulu3 405B
Benchmarks (3-7)
GPT-5.4 mini (Non-Reasoning)

Pricing Comparison

MetricLlama 3.1 Tulu3 405BGPT-5.4 mini (Non-Reasoning)
Input ($/M tokens)$0$0.75
Output ($/M tokens)$0$4.5
Cost for 1M input + 100K output tokens:
Llama 3.1 Tulu3 405B$0.00
GPT-5.4 mini (Non-Reasoning)$1.20

Speed Comparison

Output Speed (tokens/s) — higher is better
Llama 3.1 Tulu3 405B
GPT-5.4 mini (Non-Reasoning)
202 tok/s
Time to First Token (seconds) — lower is better
Llama 3.1 Tulu3 405B
GPT-5.4 mini (Non-Reasoning)
0.45s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
14.123.3
Coding Index
25.3
Math Index
GPQA Diamond
51.6%60.6%
MMLU-Pro
71.6%
LiveCodeBench
29.1%
AIME 2025
MATH-500
77.8%
Humanity's Last Exam
3.5%5.7%
SciCode
30.2%39.6%
IFBench
38.8%
TerminalBench
18.2%
Llama 3.1 Tulu3 405B3 wins
7 winsGPT-5.4 mini (Non-Reasoning)

Frequently Asked Questions

Which is cheaper, Llama 3.1 Tulu3 405B or GPT-5.4 mini (Non-Reasoning)?

Llama 3.1 Tulu3 405B is cheaper overall. Its blended price (3:1 input/output ratio) is $0.00/M tokens vs $1.69/M for GPT-5.4 mini (Non-Reasoning).

Which model performs better on benchmarks?

GPT-5.4 mini (Non-Reasoning) wins 7 out of 12 benchmarks compared to 3 for Llama 3.1 Tulu3 405B. See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

GPT-5.4 mini (Non-Reasoning) generates tokens faster at 202 tok/s vs 0 tok/s. Llama 3.1 Tulu3 405B also has lower time-to-first-token (0.00s vs 0.45s).

When should I use Llama 3.1 Tulu3 405B vs GPT-5.4 mini (Non-Reasoning)?

Choose based on your priorities: Llama 3.1 Tulu3 405B for lower cost, GPT-5.4 mini (Non-Reasoning) for stronger benchmark performance, and GPT-5.4 mini (Non-Reasoning) for faster generation. For latency-sensitive apps, check the TTFT comparison above.