Model Comparison
Reka Flash 3
vs. Step 5 Preview
Comparing 2 AI models · 0 benchmarks · Reka AI, StepFun
Recommended Pick
Strongest on: Throughput, TTFT, Latency
Lowest Price
Reka Flash 3
$0.10/1M input price
Differences That Matter
Price gap
Reka Flash 3 is 10x cheaper on input tokens than Step 5 Preview.
Speed gap
Step 5 Preview generates about 1.8x as many tokens per second as Reka Flash 3.
Top-pick rationale
Step 5 Preview wins 3 measurable categories, including Throughput, TTFT, Latency.
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
—
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
—
tok/s
—
Tokens
—
Cost
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Which answer was more useful?
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Servers in Germany & Finland. Operated by a German company under the GDPR, DPA available, ISO 27001-certified data centres.
Full Comparison
| Metric | Re Reka Flash 3 | Top Pick St Step 5 Preview |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $0.10/1M | $1.00/1M |
| Output Cost | $0.20/1M | $2.70/1M |
| Blended (3:1) | $0.13/1M | $1.43/1M |
| Specifications | ||
| Organization | Reka AI | StepFun |
| Release Date | Mar 10, 2025 | Sep 18, 2026 |
| Performance & Speed | ||
| Throughput | 90.8 tok/s | 167.7 tok/s |
| TTFT | 1340ms | 940ms |
| Latency | 23370ms | 12860ms |
| Composite Indices | ||
| Value Score | — | 100.0 |
| Reasoning Score | — | 28.5 |
| Intelligence | — | 28.5 |
Key Takeaways
Reka Flash 3 offers the best value at $0.10/1M,making it ideal for high-volume applications and cost-conscious projects.
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
- General-purpose AI
- Versatile applications