Compare/LFM2 8B A1B vs GPT-5.4 nano (Non-Reasoning)

LFM2 8B A1BvsGPT-5.4 nano (Non-Reasoning)

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

Liquid AI

LFM2 8B A1B

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

GPT-5.4 nano (Non-Reasoning)

Input
$0.2/M
Output
$1.25/M
Speed
177 tok/s
TTFT
0.47s

Winner by Category

Cheaper
LFM2 8B A1B
Faster (tok/s)
GPT-5.4 nano (Non-Reasoning)
Lower Latency
LFM2 8B A1B
Benchmarks (5-6)
GPT-5.4 nano (Non-Reasoning)

Pricing Comparison

MetricLFM2 8B A1BGPT-5.4 nano (Non-Reasoning)
Input ($/M tokens)$0$0.2
Output ($/M tokens)$0$1.25
Cost for 1M input + 100K output tokens:
LFM2 8B A1B$0.00
GPT-5.4 nano (Non-Reasoning)$0.33

Speed Comparison

Output Speed (tokens/s) — higher is better
LFM2 8B A1B
GPT-5.4 nano (Non-Reasoning)
177 tok/s
Time to First Token (seconds) — lower is better
LFM2 8B A1B
GPT-5.4 nano (Non-Reasoning)
0.47s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
7.024.4
Coding Index
2.327.9
Math Index
25.3
GPQA Diamond
34.4%55.8%
MMLU-Pro
50.5%
LiveCodeBench
15.1%
AIME 2025
25.3%
MATH-500
Humanity's Last Exam
4.9%4.2%
SciCode
6.8%35.2%
IFBench
26.3%32.7%
TerminalBench
0.0%24.2%
LFM2 8B A1B5 wins
6 winsGPT-5.4 nano (Non-Reasoning)

Frequently Asked Questions

Which is cheaper, LFM2 8B A1B or GPT-5.4 nano (Non-Reasoning)?

LFM2 8B A1B is cheaper overall. Its blended price (3:1 input/output ratio) is $0.00/M tokens vs $0.46/M for GPT-5.4 nano (Non-Reasoning).

Which model performs better on benchmarks?

GPT-5.4 nano (Non-Reasoning) wins 6 out of 12 benchmarks compared to 5 for LFM2 8B A1B. See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

GPT-5.4 nano (Non-Reasoning) generates tokens faster at 177 tok/s vs 0 tok/s. LFM2 8B A1B also has lower time-to-first-token (0.00s vs 0.47s).

When should I use LFM2 8B A1B vs GPT-5.4 nano (Non-Reasoning)?

Choose based on your priorities: LFM2 8B A1B for lower cost, GPT-5.4 nano (Non-Reasoning) for stronger benchmark performance, and GPT-5.4 nano (Non-Reasoning) for faster generation. For latency-sensitive apps, check the TTFT comparison above.