Compare · ModelsLive · 2 picked · head to head

Claude 3 Opus vs Qwen3.5-Flash

Side by side · benchmarks, pricing, and signals you can act on.

Winner summary

Qwen3.5-Flash wins 2 of 2 shared benchmarks. Leads in knowledge · math.

Category leads
knowledge·Qwen3.5-Flashmath·Qwen3.5-Flash
Hype vs Reality
Claude 3 Opus
#206 by perf·no signal
QUIET
Qwen3.5-Flash
#199 by perf·no signal
QUIET
Best value
Claude 3 Opus
no price
Qwen3.5-Flash
215.4 pts/$
$0.16/M
Vendor risk
Anthropic logo
Anthropic
$380.0B·Tier 1
Medium risk
Alibaba Qwen logo
Alibaba (Qwen)
$293.0B·Tier 1
Low risk
Head to head
Claude 3 OpusQwen3.5-Flash
GPQA diamond
Qwen3.5-Flash leads by +48.9
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
Claude 3 Opus
29.6
Qwen3.5-Flash
78.5
OTIS Mock AIME 2024-2025
Qwen3.5-Flash leads by +80.9
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
Claude 3 Opus
4.6
Qwen3.5-Flash
85.5
Full benchmark table
BenchmarkClaude 3 OpusQwen3.5-Flash
GPQA diamond
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
29.678.5
OTIS Mock AIME 2024-2025
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
4.685.5
Pricing · per 1M tokens · projected $/mo at 10M tokens
ModelInputOutputContextProjected $/mo
Anthropic logoClaude 3 Opus
Alibaba Qwen logoQwen3.5-Flash$0.07$0.261.0M tokens (~500 books)$1.14