Claude Sonnet 4.5 vs Qwen3.8 Omni Flash

Price, context window & benchmark comparison

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Claude Sonnet 4.5

Anthropic
$3.00 / $15.00
Input / Output · per 1M tokens
VS
Q

Qwen3.8 Omni Flash

Qwen (Alibaba)
$0.15 / $0.47
Input / Output · per 1M tokens
Compare different models
A
Q
Verdict: Qwen3.8 Omni Flash is 26.1× cheaper than Claude Sonnet 4.5 on a typical 3:1 input/output mix.
Claude Sonnet 4.5Qwen3.8 Omni Flash
Input price / 1M$3.00$0.15
Output price / 1M$15.00$0.47
Blended price (3:1)$6.00$0.23
Cached input / 1M$0.30$0.016
Context window1M1M
Max output64K131K
Intelligence index20.7—
Coding index52.1—
Providers—1
Best provider uptime (30m)—100.0%
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2025-09-292026-09-21
Retirement——

Cost calculator

FAQ

Which is cheaper, Claude Sonnet 4.5 or Qwen3.8 Omni Flash?

Qwen3.8 Omni Flash is 26.1× cheaper than Claude Sonnet 4.5 on a typical 3:1 input/output mix.

Claude Sonnet 4.5 vs Qwen3.8 Omni Flash: which has a bigger context window?

Claude Sonnet 4.5: 1,000,000 tokens. Qwen3.8 Omni Flash: 1,000,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Claude Sonnet 4.5 ≈ $13,500, Qwen3.8 Omni Flash ≈ $535.00.

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