Compare · ModelsLive · 2 picked · head to head
Claude Sonnet 4 vs Qwen 3.5 Plus (hosted 397B-A17B)
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
Qwen 3.5 Plus (hosted 397B-A17B) wins on 5/5 benchmarks
Qwen 3.5 Plus (hosted 397B-A17B) wins 5 of 5 shared benchmarks. Leads in agentic · math · knowledge.
Category leads
agentic·Qwen 3.5 Plus (hosted 397B-A17B)math·Qwen 3.5 Plus (hosted 397B-A17B)knowledge·Qwen 3.5 Plus (hosted 397B-A17B)
Hype vs Reality
Attention vs performance
Claude Sonnet 4
#151 by perf·no signal
Qwen 3.5 Plus (hosted 397B-A17B)
#202 by perf·no signal
Best value
Claude Sonnet 4
Claude Sonnet 4
4.8 pts/$
$9.00/M
Qwen 3.5 Plus (hosted 397B-A17B)
—
no price
Vendor risk
Who is behind the model
Anthropic
$380.0B·Tier 1
Alibaba (Qwen)
$293.0B·Tier 1
Head to head
5 benchmarks · 2 models
Claude Sonnet 4Qwen 3.5 Plus (hosted 397B-A17B)
APEX-Agents
Qwen 3.5 Plus (hosted 397B-A17B) leads by +4.3
APEX-Agents · evaluates AI agents on complex, multi-step tasks requiring planning, tool use, and autonomous decision-making in realistic environments.
Claude Sonnet 4
9.3
Qwen 3.5 Plus (hosted 397B-A17B)
13.6
FrontierMath-2025-02-28-Private
Qwen 3.5 Plus (hosted 397B-A17B) leads by +16.9
FrontierMath (Feb 2025) · original research-level math problems created by mathematicians, testing capabilities at the boundary of current AI mathematical reasoning.
Claude Sonnet 4
4.1
Qwen 3.5 Plus (hosted 397B-A17B)
21.0
FrontierMath-Tier-4-2025-07-01-Private
Qwen 3.5 Plus (hosted 397B-A17B) leads by +2.1
FrontierMath Tier 4 (Jul 2025) · the most challenging tier of frontier mathematics, containing problems that push the absolute limits of AI mathematical reasoning.
Claude Sonnet 4
0.0
Qwen 3.5 Plus (hosted 397B-A17B)
2.1
GPQA diamond
Qwen 3.5 Plus (hosted 397B-A17B) leads by +6.6
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
Claude Sonnet 4
72.3
Qwen 3.5 Plus (hosted 397B-A17B)
78.9
OTIS Mock AIME 2024-2025
Qwen 3.5 Plus (hosted 397B-A17B) leads by +13.9
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
Claude Sonnet 4
71.1
Qwen 3.5 Plus (hosted 397B-A17B)
85.0
Full benchmark table
| Benchmark | Claude Sonnet 4 | Qwen 3.5 Plus (hosted 397B-A17B) |
|---|---|---|
APEX-Agents APEX-Agents · evaluates AI agents on complex, multi-step tasks requiring planning, tool use, and autonomous decision-making in realistic environments. | 9.3 | 13.6 |
FrontierMath-2025-02-28-Private FrontierMath (Feb 2025) · original research-level math problems created by mathematicians, testing capabilities at the boundary of current AI mathematical reasoning. | 4.1 | 21.0 |
FrontierMath-Tier-4-2025-07-01-Private FrontierMath Tier 4 (Jul 2025) · the most challenging tier of frontier mathematics, containing problems that push the absolute limits of AI mathematical reasoning. | 0.0 | 2.1 |
GPQA diamond Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs. | 72.3 | 78.9 |
OTIS Mock AIME 2024-2025 OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills. | 71.1 | 85.0 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $3.00 | $15.00 | 1.0M tokens (~500 books) | $60.00 | |
| — | — | — | — |