Compare/LFM2.5-VL-1.6B vs o3

LFM2.5-VL-1.6Bvso3

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

Liquid AI

LFM2.5-VL-1.6B

Input
$0/M
Output
$0/M
Speed
391 tok/s
TTFT
7.59s
OpenAI

o3

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

Winner by Category

Cheaper
LFM2.5-VL-1.6B
Faster (tok/s)
LFM2.5-VL-1.6B
Lower Latency
o3
Benchmarks (0-11)
o3

Pricing Comparison

MetricLFM2.5-VL-1.6Bo3
Input ($/M tokens)$0$2
Output ($/M tokens)$0$8
Cost for 1M input + 100K output tokens:
LFM2.5-VL-1.6B$0.00
o3$2.80

Speed Comparison

Output Speed (tokens/s) — higher is better
LFM2.5-VL-1.6B
391 tok/s
o3
125 tok/s
Time to First Token (seconds) — lower is better
LFM2.5-VL-1.6B
7.59s
o3
6.65s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
1.030.4
Coding Index
Math Index
88.3
GPQA Diamond
28.9%82.7%
MMLU-Pro
85.3%
LiveCodeBench
80.8%
AIME 2025
88.3%
MATH-500
99.2%
Humanity's Last Exam
5.1%20.0%
SciCode
3.0%41.0%
IFBench
33.1%71.4%
TerminalBench
0.0%37.1%
LFM2.5-VL-1.6B0 wins
11 winso3

Frequently Asked Questions

Which is cheaper, LFM2.5-VL-1.6B or o3?

LFM2.5-VL-1.6B 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 LFM2.5-VL-1.6B. See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

LFM2.5-VL-1.6B generates tokens faster at 391 tok/s vs 125 tok/s. However, o3 has lower time-to-first-token (6.65s vs 7.59s).

When should I use LFM2.5-VL-1.6B vs o3?

Choose based on your priorities: LFM2.5-VL-1.6B for lower cost, o3 for stronger benchmark performance, and LFM2.5-VL-1.6B for faster generation. For latency-sensitive apps, check the TTFT comparison above.