Claude Opus 5.5 vs Qwen3.8 Flash

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

Qwen3.8 Flash

Qwen (Alibaba)
$0.15 / $0.47
Input / Output · per 1M tokens
Compare different models
A
Q
Verdict: Qwen3.8 Flash is 34.8× cheaper than Claude Opus 5.5 on a typical 3:1 input/output mix.
Claude Opus 5.5Qwen3.8 Flash
Input price / 1M$4.00$0.15
Output price / 1M$20.00$0.47
Blended price (3:1)$8.00$0.23
Cached input / 1M$0.20$0.016
Context window1M1M
Max output128K131K
Intelligence index57.6—
Coding index——
Providers111
Best provider uptime (30m)100.0%100.0%
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2026-09-222026-08-26
Retirement——

Cost calculator

FAQ

Which is cheaper, Claude Opus 5.5 or Qwen3.8 Flash?

Qwen3.8 Flash is 34.8× cheaper than Claude Opus 5.5 on a typical 3:1 input/output mix.

Claude Opus 5.5 vs Qwen3.8 Flash: which has a bigger context window?

Claude Opus 5.5: 1,000,000 tokens. Qwen3.8 Flash: 1,000,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Claude Opus 5.5 ≈ $18,000, Qwen3.8 Flash ≈ $535.00.

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