Model Comparison
Step3 VL 10B
vs. Llama 3.1 Tulu3 405B
Comparing 2 AI models · 0 benchmarks · StepFun, Allen Institute for AI
Recommended Pick
StStep3 VL 10B2 metric winsStrongest on: Reasoning, Intelligence
Best Reasoning
Step3 VL 10B
9.3 reasoning score
Blends available reasoning benchmarks
Differences That Matter
Reasoning gap
Step3 VL 10B leads Llama 3.1 Tulu3 405B by 1.2 points on reasoning.
Top-pick rationale
Step3 VL 10B wins 2 measurable categories, including Reasoning, Intelligence.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
Step3 VL 10B
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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Llama 3.1 Tulu3 405B
Allen Institute for 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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Full Comparison
| Metric | Top Pick St Step3 VL 10B | Al Llama 3.1 Tulu3 405B |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | — | — |
| Output Cost | — | — |
| Specifications | ||
| Organization | StepFun | Allen Institute for AI |
| Release Date | Jan 20, 2026 | Jan 30, 2025 |
| Performance & Speed | ||
| Throughput | — | — |
| TTFT | — | — |
| Latency | — | — |
| Composite Indices | ||
| Reasoning Score | 9.3 | 8.1 |
| Intelligence | 9.3 | 8.1 |
Key Takeaways
Step3 VL 10B has the strongest reasoning profile with a 9.3 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
Step3 VL 10B
- Complex reasoning tasks
- Research & analysis
Llama 3.1 Tulu3 405B
- General-purpose AI
- Versatile applications
