Model Comparison
Reka Flash 3
vs. Step 5 Preview
Comparing 2 AI models · 0 benchmarks · Reka AI, StepFun
Recommended Pick
StStep 5 Preview3 metric winsStrongest on: Value, Reasoning, Intelligence
Best Value
Step 5 Preview
100.0 value score
43.7 reasoning / $1.43/1M
Lowest Price
Reka Flash 3
$0.20/1M input price
Best Reasoning
Step 5 Preview
43.7 reasoning score
Blends available reasoning benchmarks
Differences That Matter
Best value
Step 5 Preview has the strongest quality-to-price mix at 100.0 out of 100 value points.
Price gap
Reka Flash 3 is 5.0x cheaper on input tokens than Step 5 Preview.
Reasoning gap
Step 5 Preview leads Reka Flash 3 by 38.1 points on reasoning.
Top-pick rationale
Step 5 Preview wins 3 measurable categories, including Value, Reasoning, Intelligence.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
Reka Flash 3
Reka AI
TTFT
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Time
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tok/s
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Tokens
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Cost
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Step 5 Preview
StepFun
TTFT
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Time
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tok/s
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Tokens
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Cost
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Which answer was more useful?
Secure AI Chat made in Europe
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EU-hosted inference
Servers in Germany & Finland. Designed to meet strict GDPR and ISO 27001 compliance requirements.
Full Comparison
| Metric | Re Reka Flash 3 | Top Pick St Step 5 Preview |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $0.20/1M | $1.00/1M |
| Output Cost | $0.80/1M | $2.70/1M |
| Blended (3:1) | $0.35/1M | $1.43/1M |
| Specifications | ||
| Organization | Reka AI | StepFun |
| Release Date | Mar 10, 2025 | Sep 18, 2026 |
| Performance & Speed | ||
| Throughput | — | 83.2 tok/s |
| TTFT | — | 4250ms |
| Latency | — | 28300ms |
| Composite Indices | ||
| Value Score | 52.2 | 100.0 |
| Reasoning Score | 5.6 | 43.7 |
| Intelligence | 5.6 | 43.7 |
Key Takeaways
Reka Flash 3 offers the best value at $0.20/1M,making it ideal for high-volume applications and cost-conscious projects.
Step 5 Preview has the strongest reasoning profile with a 43.7 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
Reka Flash 3
- Cost-sensitive applications
- High-volume processing
Step 5 Preview
- Complex reasoning tasks
- Research & analysis
