Compare · ModelsLive · 2 picked · head to head
Qwen3.5-Flash vs Qwen3 8B
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
Qwen3.5-Flash wins on 5/5 benchmarks
Qwen3.5-Flash wins 5 of 5 shared benchmarks. Leads in knowledge · general · math.
Category leads
knowledge·Qwen3.5-Flashgeneral·Qwen3.5-Flashmath·Qwen3.5-Flash
Hype vs Reality
Attention vs performance
Qwen3.5-Flash
#232 by perf·#2 by attention
Qwen3 8B
#159 by perf·#2 by attention
Best value
Qwen3.5-Flash
1.3x better value than Qwen3 8B
Qwen3.5-Flash
209.2 pts/$
$0.16/M
Qwen3 8B
158.4 pts/$
$0.29/M
Vendor risk
Who is behind the model
Alibaba (Qwen)
$293.0B·Tier 1
Alibaba (Qwen)
$293.0B·Tier 1
Head to head
5 benchmarks · 2 models
Qwen3.5-FlashQwen3 8B
Chess Puzzles
Qwen3.5-Flash leads by +16.8
Chess Puzzles · tests strategic and tactical reasoning by having models solve chess puzzle positions, evaluating lookahead and pattern recognition abilities.
Qwen3.5-Flash
16.9
Qwen3 8B
0.0
Dtbench
Qwen3.5-Flash leads by +38.7
Qwen3.5-Flash
71.5
Qwen3 8B
32.9
GPQA diamond
Qwen3.5-Flash leads by +34.1
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
Qwen3.5-Flash
76.4
Qwen3 8B
42.3
Lmca
Qwen3.5-Flash leads by +23.9
Qwen3.5-Flash
34.3
Qwen3 8B
10.4
OTIS Mock AIME 2024-2025
Qwen3.5-Flash leads by +28.4
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
Qwen3.5-Flash
84.4
Qwen3 8B
56.1
Full benchmark table
| Benchmark | Qwen3.5-Flash | Qwen3 8B |
|---|---|---|
Chess Puzzles Chess Puzzles · tests strategic and tactical reasoning by having models solve chess puzzle positions, evaluating lookahead and pattern recognition abilities. | 16.9 | 0.0 |
Dtbench | 71.5 | 32.9 |
GPQA diamond Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs. | 76.4 | 42.3 |
Lmca | 34.3 | 10.4 |
OTIS Mock AIME 2024-2025 OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills. | 84.4 | 56.1 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $0.07 | $0.26 | 1.0M tokens (~500 books) | $1.14 | |
| $0.12 | $0.46 | 131K tokens (~66 books) | $2.02 |