Compare/Sonar vs gpt-oss-20B (low)

Sonarvsgpt-oss-20B (low)

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

Perplexity

Sonar

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
Sonar
Faster (tok/s)
gpt-oss-20B (low)
Lower Latency
Sonar
Benchmarks (2-10)
gpt-oss-20B (low)

Pricing Comparison

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

Speed Comparison

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

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
15.520.8
Coding Index
14.4
Math Index
62.3
GPQA Diamond
47.1%61.1%
MMLU-Pro
68.9%71.8%
LiveCodeBench
29.5%65.2%
AIME 2025
62.3%
MATH-500
81.7%
Humanity's Last Exam
7.3%5.1%
SciCode
22.9%34.0%
IFBench
57.8%
TerminalBench
4.5%
Sonar2 wins
10 winsgpt-oss-20B (low)

Frequently Asked Questions

Which is cheaper, Sonar or gpt-oss-20B (low)?

Sonar 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 2 for Sonar. 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. Sonar also has lower time-to-first-token (0.00s vs 0.45s).

When should I use Sonar vs gpt-oss-20B (low)?

Choose based on your priorities: Sonar 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.