Model Comparison

V4.1 Flash 1017 (Max)
vs. Step 5 Preview

Comparing 2 AI models · 0 benchmarks · DeepSeek, StepFun

Recommended Pick

DeepSeek logoV4.1 Flash 1017 (Max)9 metric wins

Strongest on: Value, Input price, Output price

Best Value

DeepSeek logo

V4.1 Flash 1017 (Max)

100.0 value score

45.1 reasoning / $0.52/1M

Lowest Price

DeepSeek logo

V4.1 Flash 1017 (Max)

$0.30/1M input price

Best Reasoning

DeepSeek logo

V4.1 Flash 1017 (Max)

45.1 reasoning score

Blends available reasoning benchmarks

Differences That Matter

Best value

V4.1 Flash 1017 (Max) has the strongest quality-to-price mix at 100.0 out of 100 value points.

Price gap

V4.1 Flash 1017 (Max) is 3.3x cheaper on input tokens than Step 5 Preview.

Speed gap

V4.1 Flash 1017 (Max) generates about 2.3x as many tokens per second as Step 5 Preview.

Reasoning gap

V4.1 Flash 1017 (Max) leads Step 5 Preview by 1.4 points on reasoning.

Top-pick rationale

V4.1 Flash 1017 (Max) wins 9 measurable categories, including Value, Input price, Output price, Blended price.

Live compare

Response Face-Off

Run one prompt through the selected models and compare response quality with live speed and cost context.

10 comparisons left in 24h
DeepSeek logo

V4.1 Flash 1017 (Max)

DeepSeek

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StepFun logo

Step 5 Preview

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Which answer was more useful?

Secure AI Chat made in Europe

Use open-weight models like DeepSeek, Qwen and Kimi in one app.

EU-hosted open models, one API

Servers in Germany & Finland. Operated by a German company under the GDPR, DPA available, ISO 27001-certified data centres.

Full Comparison

Metric
Top Pick
DeepSeek logoV4.1 Flash 1017 (Max)
DeepSeek
StepFun logoStep 5 Preview
StepFun
Pricing per 1M tokens
Input Cost$0.30/1M$1.00/1M
Output Cost$1.20/1M$2.70/1M
Blended (3:1)$0.52/1M$1.43/1M
Specifications
OrganizationDeepSeekStepFun
Release DateOct 17, 2026Sep 18, 2026
Performance & Speed
Throughput210.6 tok/s91.3 tok/s
TTFT1130ms2380ms
Latency10620ms24290ms
Composite Indices
Value Score100.035.7
Reasoning Score45.143.7
Intelligence45.143.7

Key Takeaways

V4.1 Flash 1017 (Max) offers the best value at $0.30/1M,making it ideal for high-volume applications and cost-conscious projects.

V4.1 Flash 1017 (Max) has the strongest reasoning profile with a 45.1 reasoning score,combining the available reasoning-heavy benchmarks.

All models support context windows of ∞+ tokens,suitable for processing lengthy documents and maintaining extended conversations.

When to Choose Each Model

DeepSeek logo

V4.1 Flash 1017 (Max)

  • Cost-sensitive applications
  • High-volume processing
  • Complex reasoning tasks
  • Research & analysis
StepFun logo

Step 5 Preview

  • General-purpose AI
  • Versatile applications