Model Comparison
Qwen3.5 Omni Flash
vs. Llama 3.1 Tulu3 405B
Comparing 2 AI models · 11 benchmarks · Alibaba, Allen Institute for AI
Recommended Pick
AlQwen3.5 Omni Flash5 metric winsStrongest on: Throughput, Reasoning, Intelligence
Lowest Price
Llama 3.1 Tulu3 405B
$0.00/1M input price
Best Reasoning
Qwen3.5 Omni Flash
33.4 reasoning score
Blends available reasoning benchmarks
Composite Indices
Higher is better; speed and price are normalized
Standard Benchmarks
Only benchmarks with data are shown
Differences That Matter
Price gap
Llama 3.1 Tulu3 405B is ∞x cheaper on input tokens than Qwen3.5 Omni Flash.
Reasoning gap
Qwen3.5 Omni Flash leads Llama 3.1 Tulu3 405B by 2.5 points on reasoning.
Top-pick rationale
Qwen3.5 Omni Flash wins 5 measurable categories, including Throughput, Reasoning, Intelligence, GPQA.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
Qwen3.5 Omni Flash
Alibaba
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
—
tok/s
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Tokens
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Cost
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Which answer was more useful?
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Full Comparison
| Metric | Top Pick Al Qwen3.5 Omni Flash | Al Llama 3.1 Tulu3 405B |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $0.10/1M | $0.00/1M |
| Output Cost | $0.80/1M | $0.00/1M |
| Blended (3:1) | $0.28/1M | — |
| Specifications | ||
| Organization | Alibaba | Allen Institute for AI |
| Release Date | Mar 30, 2026 | Jan 30, 2025 |
| Performance & Speed | ||
| Throughput | 245.1 tok/s | — |
| TTFT | 1068ms | — |
| Latency | 1068ms | — |
| Composite Indices | ||
| Value Score | 100.0 | — |
| Reasoning Score | 33.4 | 30.9 |
| Intelligence | 19.0 | 8.3 |
| Standard Benchmarks | ||
| GPQA | 74.2% | 51.6% |
| MMLU Pro | — | 71.6% |
| HLE | 7.1% | 3.5% |
| LiveCodeBench | — | 29.1% |
| MATH 500 | — | 77.8% |
| AIME (Original) | — | 13.3% |
| SciCode | 25.5% | 30.2% |
| LCR | 44.0% | — |
| IFBench | 38.0% | — |
| TAU-bench v2 | 84.5% | — |
| TerminalBench Hard | 8.3% | — |
Key Takeaways
Llama 3.1 Tulu3 405B offers the best value at $0.00/1M,making it ideal for high-volume applications and cost-conscious projects.
Qwen3.5 Omni Flash has the strongest reasoning profile with a 33.4 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
Qwen3.5 Omni Flash
- Complex reasoning tasks
- Research & analysis
Llama 3.1 Tulu3 405B
- Cost-sensitive applications
- High-volume processing
