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DeepSeek V3.2 vs Step 3.7 Flash

Compare DeepSeek V3.2 from DeepSeek and Step 3.7 Flash from StepFun on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the AIHubMix API.

DeepSeekDeepSeek V3.2StepFunStep 3.7 Flash
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DeepSeek logo
DeepSeek V3.2
DeepSeek · text → text

DeepSeek-V3.2 is an efficient large language model equipped with DeepSeek Sparse Attention and reinforced reasoning performance, but its core strength lies in powerful agentic capabilities—enabled by large-scale task-synthesis that tightly integrates reasoning with real-world tool use, delivering robust, compliant, and generalizable agent behaviour. Users can toggle deeper reasoning through the reasoning_enabled switch.

Input$0.302 /M
Output$0.453 /M
Cache read$0.0302 /M
Details
StepFun logo
Step 3.7 Flash
StepFun · text, image, video → text

step-3.7-flash is stepfun's flagship inference model, designed for high-complexity tasks that require deep reasoning and fast execution. It excels at decomposing multi-step problems, performing tool calls, and maintaining consistency across massive datasets. It is the preferred choice for complex workloads such as long-context agents, advanced software engineering, and end-to-end research automation.

Input$0.22 /M
Output$1.32 /M
Cache read$0.044 /M
Details

Pricing & Specifications

Prices are per million tokens. Time to First Token and throughput are rolling averages measured on AIHubMix.

DeepSeek V3.2
Step 3.7 Flash
Input /M
$0.302
$0.22
Output /M
$0.453
$1.32
Cache read /M
$0.0302
$0.044
Context length
163,840
256,000
Max output
64,000
0
Time to First Token
0.7 s
1.4 s
Throughput
38.0 tok/s
32.6 tok/s
Modalities
text
textimagevideo
Supported Parameters
toolsfunction callingstructured outputsthinking
API Formats
Released
December 1, 2025
May 29, 2026

Promotional prices show the discounted rate; see each model page for promotion windows.

Activity Past 30 Days

Daily traffic served through AIHubMix — how demand for each model is trending.

deepseek-v3.2step-3.7-flash

Tokens / day

-

Requests / day

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Performance Past 3 Days

Measured on real AIHubMix traffic, hourly buckets. Gaps mean no traffic in that hour.

deepseek-v3.2step-3.7-flash

Throughput (tok/s)

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TTFT (s)

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Uptime (%)

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Cost calculator

Estimate your monthly bill for the same workload on each model.

DeepSeek V3.2
$24.92 /mo
Step 3.7 Flash
$33.00 /mo

Monthly = daily × 30. Discounted rates applied where a promotion is active.

FAQ

Which is cheaper: DeepSeek V3.2, Step 3.7 Flash?

DeepSeek V3.2: $0.453/M output tokens; Step 3.7 Flash: $1.32/M. Use the cost calculator above to estimate your own workload.

Which responds faster?

DeepSeek V3.2: 0.7s time to first token measured on AIHubMix; see the live performance charts above for how each model behaves across the day.

How large is each context window?

DeepSeek V3.2 accepts 163,840 and Step 3.7 Flash accepts 256,000 input tokens.

Which one generates tokens faster?

DeepSeek V3.2 at 38.0 tok/s and Step 3.7 Flash at 32.6 tok/s, measured as output throughput on AIHubMix — a separate metric from time to first token.

What inputs and capabilities does each model support?

DeepSeek V3.2 accepts text input and supports tool calling, function calling, structured outputs and thinking; Step 3.7 Flash accepts text, image and video input.

Can I call DeepSeek V3.2 and Step 3.7 Flash with the same API key?

Yes. AIHubMix serves every model on this page behind one OpenAI-compatible endpoint, so switching between them is a one-line change to the model field — no second account, key or SDK.

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