Compare/LFM 40B vs o3

LFM 40Bvso3

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

Liquid AI

LFM 40B

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

o3

Input
$2/M
Output
$8/M
Speed
125 tok/s
TTFT
6.65s

Winner by Category

Cheaper
LFM 40B
Faster (tok/s)
o3
Lower Latency
LFM 40B
Benchmarks (0-11)
o3

Pricing Comparison

MetricLFM 40Bo3
Input ($/M tokens)$0$2
Output ($/M tokens)$0$8
Cost for 1M input + 100K output tokens:
LFM 40B$0.00
o3$2.80

Speed Comparison

Output Speed (tokens/s) — higher is better
LFM 40B
o3
125 tok/s
Time to First Token (seconds) — lower is better
LFM 40B
o3
6.65s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
3.430.4
Coding Index
Math Index
88.3
GPQA Diamond
32.7%82.7%
MMLU-Pro
42.5%85.3%
LiveCodeBench
9.6%80.8%
AIME 2025
88.3%
MATH-500
48.0%99.2%
Humanity's Last Exam
4.9%20.0%
SciCode
7.1%41.0%
IFBench
71.4%
TerminalBench
37.1%
LFM 40B0 wins
11 winso3

Frequently Asked Questions

Which is cheaper, LFM 40B or o3?

LFM 40B is cheaper overall. Its blended price (3:1 input/output ratio) is $0.00/M tokens vs $3.50/M for o3.

Which model performs better on benchmarks?

o3 wins 11 out of 12 benchmarks compared to 0 for LFM 40B. See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

o3 generates tokens faster at 125 tok/s vs 0 tok/s. LFM 40B also has lower time-to-first-token (0.00s vs 6.65s).

When should I use LFM 40B vs o3?

Choose based on your priorities: LFM 40B for lower cost, o3 for stronger benchmark performance, and o3 for faster generation. For latency-sensitive apps, check the TTFT comparison above.