token.app โ€บ Compare โ€บ Qwen3.5 397B A17B vs Claude Opus 5

Qwen3.5 397B A17B vs Claude Opus 5

Claude Opus 5 leads on 3 of 3 shared benchmarks. Qwen3.5 397B A17B is 7.8ร— cheaper per token on a blended 3:1 basis. Claude Opus 5 accepts the larger context window (1M).

Head to head
Blended price uses a 3:1 input:output mix
Qwen3.5 397B A17BClaude Opus 5
ProviderAlibabaAnthropic
Input $/1M$0.500$5.00
Output $/1M$3.60$25.00
Blended $/1M$1.27$10.00
Context window262K1M
Max output236K128K
ReleasedFeb 2026Jul 2026
LicenceOpen weightsProprietary
GPQA Diamond 86.4% 93.9%
FrontierMath T1โ€“3 31.2% 85.6%
OTIS Mock AIME 88.9% 98.9%
Benchmark scores independently run and published by Epoch AI, 'AI Benchmarking Hub', used under CC BY 4.0. Only benchmarks with a score for BOTH models are compared.
Choose Qwen3.5 397B A17B ifโ€ฆ
  • Costs less per token โ€” $1.27 vs $10.00 blended
  • Open weights โ€” self-hostable
Choose Claude Opus 5 ifโ€ฆ
  • Higher GPQA Diamond (93.9% vs 86.4%)
  • Higher FrontierMath T1โ€“3 (85.6% vs 31.2%)
  • Higher OTIS Mock AIME (98.9% vs 88.9%)
  • Larger context window (1M)
  • Newer model (released Jul 2026)
FAQ
Which is better, Qwen3.5 397B A17B or Claude Opus 5?
Across the 3 benchmarks both models have independently-run scores for, Qwen3.5 397B A17B leads on 0 and Claude Opus 5 leads on 3. Benchmarks are one input โ€” price and context window are on this page too.
Is Qwen3.5 397B A17B cheaper than Claude Opus 5?
Qwen3.5 397B A17B is cheaper: $1.27 versus $10.00 per million tokens blended at 3:1 input:output. Input alone: $0.500 vs $5.00. Output alone: $3.60 vs $25.00.
What context windows do Qwen3.5 397B A17B and Claude Opus 5 have?
Qwen3.5 397B A17B: 262,144 tokens. Claude Opus 5: 1,000,000 tokens.
Who makes Qwen3.5 397B A17B and Claude Opus 5?
Qwen3.5 397B A17B is made by Alibaba. Claude Opus 5 is made by Anthropic.
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