Compare/LFM2.5-8B-A1B vs gpt-oss-20b (low)

LFM2.5-8B-A1Bvsgpt-oss-20b (low)

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

Liquid AI

LFM2.5-8B-A1B

Input
$0/M
Output
$0/M
Speed
345 tok/s
TTFT
10.39s
OpenAI

gpt-oss-20b (low)

Input
$0.06/M
Output
$0.2/M
Speed
226 tok/s
TTFT
0.50s

Winner by Category

Cheaper
LFM2.5-8B-A1B
Faster (tok/s)
LFM2.5-8B-A1B
Lower Latency
gpt-oss-20b (low)
Benchmarks (1-8)
gpt-oss-20b (low)

Pricing Comparison

MetricLFM2.5-8B-A1Bgpt-oss-20b (low)
Input ($/M tokens)$0$0.06
Output ($/M tokens)$0$0.2
Cost for 1M input + 100K output tokens:
LFM2.5-8B-A1B$0.00
gpt-oss-20b (low)$0.08

Speed Comparison

Output Speed (tokens/s) — higher is better
LFM2.5-8B-A1B
345 tok/s
gpt-oss-20b (low)
226 tok/s
Time to First Token (seconds) — lower is better
LFM2.5-8B-A1B
10.39s
gpt-oss-20b (low)
0.50s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
8.314.3
Coding Index
Math Index
62.3
GPQA Diamond
51.3%61.1%
MMLU-Pro
71.8%
LiveCodeBench
65.2%
AIME 2025
62.3%
MATH-500
Humanity's Last Exam
6.9%5.1%
SciCode
7.8%34.0%
IFBench
55.6%57.8%
TerminalBench
4.5%4.5%
LFM2.5-8B-A1B1 wins
8 winsgpt-oss-20b (low)

Frequently Asked Questions

Which is cheaper, LFM2.5-8B-A1B or gpt-oss-20b (low)?

LFM2.5-8B-A1B is cheaper overall. Its blended price (3:1 input/output ratio) is $0.00/M tokens vs $0.10/M for gpt-oss-20b (low).

Which model performs better on benchmarks?

gpt-oss-20b (low) wins 8 out of 12 benchmarks compared to 1 for LFM2.5-8B-A1B. See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

LFM2.5-8B-A1B generates tokens faster at 345 tok/s vs 226 tok/s. However, gpt-oss-20b (low) has lower time-to-first-token (0.50s vs 10.39s).

When should I use LFM2.5-8B-A1B vs gpt-oss-20b (low)?

Choose based on your priorities: LFM2.5-8B-A1B for lower cost, gpt-oss-20b (low) for stronger benchmark performance, and LFM2.5-8B-A1B for faster generation. For latency-sensitive apps, check the TTFT comparison above.