Qwen3.8 Omni Flash vs Step 3.5 Flash

Price, context window & benchmark comparison

Q

Qwen3.8 Omni Flash

Qwen (Alibaba)
$0.15 / $0.47
Input / Output · per 1M tokens
VS
S

Step 3.5 Flash

StepFun
$0.10 / $0.30
Input / Output · per 1M tokens
Compare different models
Q
S
Verdict: Step 3.5 Flash is 35% cheaper than Qwen3.8 Omni Flash on a typical 3:1 input/output mix. Qwen3.8 Omni Flash has the larger context window (1M vs 262K).
Qwen3.8 Omni FlashStep 3.5 Flash
Input price / 1M$0.15$0.10
Output price / 1M$0.47$0.30
Blended price (3:1)$0.23$0.15
Cached input / 1M$0.016
Context window1M262K
Max output131K66K
Intelligence index
Coding index
Providers1
Best provider uptime (30m)100.0%
Vision inputYesNo
ReasoningYesYes
Tool callingYesYes
Released2026-09-212026-01-29
Retirement

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FAQ

Which is cheaper, Qwen3.8 Omni Flash or Step 3.5 Flash?

Step 3.5 Flash is 35% cheaper than Qwen3.8 Omni Flash on a typical 3:1 input/output mix.

Qwen3.8 Omni Flash vs Step 3.5 Flash: which has a bigger context window?

Qwen3.8 Omni Flash: 1,000,000 tokens. Step 3.5 Flash: 262,144 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Qwen3.8 Omni Flash ≈ $535.00, Step 3.5 Flash ≈ $350.00.

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