Claude Opus 5.5 vs Qwen3.5 397B A17B

Price, context window & benchmark comparison

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Claude Opus 5.5

Anthropic
$4.00 / $20.00
Input / Output · per 1M tokens
VS
Q

Qwen3.5 397B A17B

Qwen (Alibaba)
$0.55 / $3.50
Input / Output · per 1M tokens
Compare different models
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Verdict: Qwen3.5 397B A17B is 6.2× cheaper than Claude Opus 5.5 on a typical 3:1 input/output mix. Claude Opus 5.5 scores higher on the Artificial Analysis Intelligence Index (57.6 vs 18.4). Claude Opus 5.5 has the larger context window (1M vs 262K).
Claude Opus 5.5Qwen3.5 397B A17B
Input price / 1M$4.00$0.55
Output price / 1M$20.00$3.50
Blended price (3:1)$8.00$1.29
Cached input / 1M$0.20$0.23
Context window1M262K
Max output128K236K
Intelligence index57.618.4
Coding index48.2
Providers11
Best provider uptime (30m)100.0%
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2026-09-222026-02-16
Retirement

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FAQ

Which is cheaper, Claude Opus 5.5 or Qwen3.5 397B A17B?

Qwen3.5 397B A17B is 6.2× cheaper than Claude Opus 5.5 on a typical 3:1 input/output mix.

Claude Opus 5.5 vs Qwen3.5 397B A17B: which has a bigger context window?

Claude Opus 5.5: 1,000,000 tokens. Qwen3.5 397B A17B: 262,144 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Claude Opus 5.5 ≈ $18,000, Qwen3.5 397B A17B ≈ $2,850.

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