Compare/Tri-21B-Think vs gpt-oss-20B (low)

Tri-21B-Thinkvsgpt-oss-20B (low)

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

Trillion Labs

Tri-21B-Think

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

gpt-oss-20B (low)

Input
$0.06/M
Output
$0.2/M
Speed
280 tok/s
TTFT
0.45s

Winner by Category

Cheaper
Tri-21B-Think
Faster (tok/s)
gpt-oss-20B (low)
Lower Latency
Tri-21B-Think
Benchmarks (1-10)
gpt-oss-20B (low)

Pricing Comparison

MetricTri-21B-Thinkgpt-oss-20B (low)
Input ($/M tokens)$0$0.06
Output ($/M tokens)$0$0.2
Cost for 1M input + 100K output tokens:
Tri-21B-Think$0.00
gpt-oss-20B (low)$0.08

Speed Comparison

Output Speed (tokens/s) — higher is better
Tri-21B-Think
gpt-oss-20B (low)
280 tok/s
Time to First Token (seconds) — lower is better
Tri-21B-Think
gpt-oss-20B (low)
0.45s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
18.620.8
Coding Index
6.314.4
Math Index
62.3
GPQA Diamond
60.1%61.1%
MMLU-Pro
71.8%
LiveCodeBench
65.2%
AIME 2025
62.3%
MATH-500
Humanity's Last Exam
6.1%5.1%
SciCode
17.4%34.0%
IFBench
54.6%57.8%
TerminalBench
0.8%4.5%
Tri-21B-Think1 wins
10 winsgpt-oss-20B (low)

Frequently Asked Questions

Which is cheaper, Tri-21B-Think or gpt-oss-20B (low)?

Tri-21B-Think 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 10 out of 12 benchmarks compared to 1 for Tri-21B-Think. See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

gpt-oss-20B (low) generates tokens faster at 280 tok/s vs 0 tok/s. Tri-21B-Think also has lower time-to-first-token (0.00s vs 0.45s).

When should I use Tri-21B-Think vs gpt-oss-20B (low)?

Choose based on your priorities: Tri-21B-Think for lower cost, gpt-oss-20B (low) for stronger benchmark performance, and gpt-oss-20B (low) for faster generation. For latency-sensitive apps, check the TTFT comparison above.