Compare/Devstral Medium vs Qwen3.5 35B A3B (Reasoning)

Devstral MediumvsQwen3.5 35B A3B (Reasoning)

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

Mistral

Devstral Medium

Input
$0.4/M
Output
$2/M
Speed
128 tok/s
TTFT
0.41s
Alibaba

Qwen3.5 35B A3B (Reasoning)

Input
$0.25/M
Output
$2/M
Speed
111 tok/s
TTFT
1.10s

Winner by Category

Cheaper
Qwen3.5 35B A3B (Reasoning)
Faster (tok/s)
Devstral Medium
Lower Latency
Devstral Medium
Benchmarks (5-7)
Qwen3.5 35B A3B (Reasoning)

Pricing Comparison

MetricDevstral MediumQwen3.5 35B A3B (Reasoning)
Input ($/M tokens)$0.4$0.25
Output ($/M tokens)$2$2
Cost for 1M input + 100K output tokens:
Devstral Medium$0.60
Qwen3.5 35B A3B (Reasoning)$0.45

Speed Comparison

Output Speed (tokens/s) — higher is better
Devstral Medium
128 tok/s
Qwen3.5 35B A3B (Reasoning)
111 tok/s
Time to First Token (seconds) — lower is better
Devstral Medium
0.41s
Qwen3.5 35B A3B (Reasoning)
1.10s

Benchmark Comparison

Data from Artificial Analysis API — 12 benchmarks

Intelligence Index
18.737.1
Coding Index
15.930.3
Math Index
4.7
GPQA Diamond
49.2%84.5%
MMLU-Pro
70.8%
LiveCodeBench
33.7%
AIME 2025
4.7%
MATH-500
70.7%
Humanity's Last Exam
3.8%19.7%
SciCode
29.4%37.7%
IFBench
29.9%72.5%
TerminalBench
9.1%26.5%
Devstral Medium5 wins
7 winsQwen3.5 35B A3B (Reasoning)

Frequently Asked Questions

Which is cheaper, Devstral Medium or Qwen3.5 35B A3B (Reasoning)?

Qwen3.5 35B A3B (Reasoning) is cheaper overall. Its blended price (3:1 input/output ratio) is $0.69/M tokens vs $0.80/M for Devstral Medium.

Which model performs better on benchmarks?

Qwen3.5 35B A3B (Reasoning) wins 7 out of 12 benchmarks compared to 5 for Devstral Medium. See the detailed benchmark chart above for per-category results.

Which is faster for real-time applications?

Devstral Medium generates tokens faster at 128 tok/s vs 111 tok/s. Devstral Medium also has lower time-to-first-token (0.41s vs 1.10s).

When should I use Devstral Medium vs Qwen3.5 35B A3B (Reasoning)?

Choose based on your priorities: Qwen3.5 35B A3B (Reasoning) for lower cost, Qwen3.5 35B A3B (Reasoning) for stronger benchmark performance, and Devstral Medium for faster generation. For latency-sensitive apps, check the TTFT comparison above.