Compare/LFM2 2.6B vs gpt-oss-120B (high)

LFM2 2.6Bvsgpt-oss-120B (high)

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

Liquid AI

LFM2 2.6B

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

gpt-oss-120B (high)

Input
$0.15/M
Output
$0.6/M
Speed
236 tok/s
TTFT
0.50s

Winner by Category

Cheaper
LFM2 2.6B
Faster (tok/s)
gpt-oss-120B (high)
Lower Latency
LFM2 2.6B
Benchmarks (0-11)
gpt-oss-120B (high)

Pricing Comparison

MetricLFM2 2.6Bgpt-oss-120B (high)
Input ($/M tokens)$0$0.15
Output ($/M tokens)$0$0.6
Cost for 1M input + 100K output tokens:
LFM2 2.6B$0.00
gpt-oss-120B (high)$0.21

Speed Comparison

Output Speed (tokens/s) — higher is better
LFM2 2.6B
gpt-oss-120B (high)
236 tok/s
Time to First Token (seconds) — lower is better
LFM2 2.6B
gpt-oss-120B (high)
0.50s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
8.033.3
Coding Index
1.428.6
Math Index
8.393.4
GPQA Diamond
30.6%78.2%
MMLU-Pro
29.8%80.8%
LiveCodeBench
8.1%87.8%
AIME 2025
8.3%93.4%
MATH-500
Humanity's Last Exam
5.2%18.5%
SciCode
2.5%38.9%
IFBench
19.5%69.0%
TerminalBench
0.8%23.5%
LFM2 2.6B0 wins
11 winsgpt-oss-120B (high)

Frequently Asked Questions

Which is cheaper, LFM2 2.6B or gpt-oss-120B (high)?

LFM2 2.6B is cheaper overall. Its blended price (3:1 input/output ratio) is $0.00/M tokens vs $0.26/M for gpt-oss-120B (high).

Which model performs better on benchmarks?

gpt-oss-120B (high) wins 11 out of 12 benchmarks compared to 0 for LFM2 2.6B. See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

gpt-oss-120B (high) generates tokens faster at 236 tok/s vs 0 tok/s. LFM2 2.6B also has lower time-to-first-token (0.00s vs 0.50s).

When should I use LFM2 2.6B vs gpt-oss-120B (high)?

Choose based on your priorities: LFM2 2.6B for lower cost, gpt-oss-120B (high) for stronger benchmark performance, and gpt-oss-120B (high) for faster generation. For latency-sensitive apps, check the TTFT comparison above.