Grok 4.7 vs Step 3.5 Flash

Price, context window & benchmark comparison

X

Grok 4.7

xAI
$1.60 / $4.80
Input / Output · per 1M tokens
VS
S

Step 3.5 Flash

StepFun
$0.10 / $0.30
Input / Output · per 1M tokens
Compare different models
X
S
Verdict: Step 3.5 Flash is 16.0× cheaper than Grok 4.7 on a typical 3:1 input/output mix. Grok 4.7 has the larger context window (500K vs 262K).
Grok 4.7Step 3.5 Flash
Input price / 1M$1.60$0.10
Output price / 1M$4.80$0.30
Blended price (3:1)$2.40$0.15
Cached input / 1M$0.40—
Context window500K262K
Max output450K66K
Intelligence index46.4—
Coding index——
Providers4—
Best provider uptime (30m)99.9%—
Vision inputYesNo
ReasoningYesYes
Tool callingYesYes
Released2026-09-212026-01-29
Retirement——

Cost calculator

FAQ

Which is cheaper, Grok 4.7 or Step 3.5 Flash?

Step 3.5 Flash is 16.0× cheaper than Grok 4.7 on a typical 3:1 input/output mix.

Grok 4.7 vs Step 3.5 Flash: which has a bigger context window?

Grok 4.7: 500,000 tokens. Step 3.5 Flash: 262,144 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Grok 4.7 ≈ $5,600, Step 3.5 Flash ≈ $350.00.

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