Compare/Qwen3 4B 2507 Instruct vs gpt-oss-20B (low)

Qwen3 4B 2507 Instructvsgpt-oss-20B (low)

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

Alibaba

Qwen3 4B 2507 Instruct

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

gpt-oss-20B (low)

Input
$0.06/M
Output
$0.2/M
Speed
265 tok/s
TTFT
0.42s

Winner by Category

Cheaper
Qwen3 4B 2507 Instruct
Faster (tok/s)
gpt-oss-20B (low)
Lower Latency
Qwen3 4B 2507 Instruct
Benchmarks (0-10)
gpt-oss-20B (low)

Pricing Comparison

MetricQwen3 4B 2507 Instructgpt-oss-20B (low)
Input ($/M tokens)$0$0.06
Output ($/M tokens)$0$0.2
Cost for 1M input + 100K output tokens:
Qwen3 4B 2507 Instruct$0.00
gpt-oss-20B (low)$0.08

Speed Comparison

Output Speed (tokens/s) — higher is better
Qwen3 4B 2507 Instruct
gpt-oss-20B (low)
265 tok/s
Time to First Token (seconds) — lower is better
Qwen3 4B 2507 Instruct
gpt-oss-20B (low)
0.42s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
12.920.8
Coding Index
9.014.4
Math Index
52.362.3
GPQA Diamond
51.7%61.1%
MMLU-Pro
67.2%71.8%
LiveCodeBench
37.7%65.2%
AIME 2025
52.3%62.3%
MATH-500
Humanity's Last Exam
4.7%5.1%
SciCode
18.1%34.0%
IFBench
33.5%57.8%
TerminalBench
4.5%4.5%
Qwen3 4B 2507 Instruct0 wins
10 winsgpt-oss-20B (low)

Frequently Asked Questions

Which is cheaper, Qwen3 4B 2507 Instruct or gpt-oss-20B (low)?

Qwen3 4B 2507 Instruct 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 0 for Qwen3 4B 2507 Instruct. 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 265 tok/s vs 0 tok/s. Qwen3 4B 2507 Instruct also has lower time-to-first-token (0.00s vs 0.42s).

When should I use Qwen3 4B 2507 Instruct vs gpt-oss-20B (low)?

Choose based on your priorities: Qwen3 4B 2507 Instruct 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.