Model Comparison
Claude 4 Sonnet (Reasoning)
vs. Phi-3 Mini Instruct 3.8B
Comparing 2 AI models · 12 benchmarks · Anthropic, Microsoft
Recommended Pick
An Claude 4 Sonnet (Reasoning) 15 metric wins Strongest on: Reasoning, Intelligence, Math
Lowest Price
Phi-3 Mini Instruct 3.8B
$0.00/1M input price
Best Reasoning
Claude 4 Sonnet (Reasoning)
63.3 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
Phi-3 Mini Instruct 3.8B is ∞x cheaper on input tokens than Claude 4 Sonnet (Reasoning).
Reasoning gap
Claude 4 Sonnet (Reasoning) leads Phi-3 Mini Instruct 3.8B by 50.3 points on reasoning.
Top-pick rationale
Claude 4 Sonnet (Reasoning) wins 15 measurable categories, including Reasoning, Intelligence, Math, GPQA.
Response Face-Off
Run one prompt through the selected models and compare response quality with live speed and cost context.
Claude 4 Sonnet (Reasoning)
Anthropic
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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Phi-3 Mini Instruct 3.8B
Microsoft
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?
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Full Comparison
| Metric | Top Pick An Claude 4 Sonnet (Reasoning) | Mi Phi-3 Mini Instruct 3.8B |
|---|---|---|
| Pricing per 1M tokens | ||
| Input Cost | $3.00/1M | $0.00/1M |
| Output Cost | $15.00/1M | $0.00/1M |
| Blended (3:1) | $6.00/1M | — |
| Specifications | ||
| Organization | Anthropic | Microsoft |
| Release Date | May 22, 2025 | Apr 23, 2024 |
| Performance & Speed | ||
| Throughput | — | — |
| TTFT | — | — |
| Latency | — | — |
| Composite Indices | ||
| Value Score | 100.0 | — |
| Reasoning Score | 63.3 | 13.0 |
| Intelligence | 30.7 | 4.6 |
| Math | 74.3 | 0.3 |
| Standard Benchmarks | ||
| GPQA | 77.7% | 31.9% |
| MMLU Pro | 84.2% | 43.5% |
| HLE | 9.6% | 4.4% |
| LiveCodeBench | 65.5% | 11.6% |
| MATH 500 | 99.1% | 45.7% |
| AIME 2025 | 74.3% | 0.3% |
| AIME (Original) | 77.3% | 4.0% |
| SciCode | 40.0% | 9.0% |
| LCR | 64.7% | 2.0% |
| IFBench | 54.7% | 23.9% |
| TAU-bench v2 | 64.6% | 0.0% |
| TerminalBench Hard | 31.1% | 0.0% |
Key Takeaways
Phi-3 Mini Instruct 3.8B offers the best value at $0.00/1M, making it ideal for high-volume applications and cost-conscious projects.
Claude 4 Sonnet (Reasoning) has the strongest reasoning profile with a 63.3 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
Claude 4 Sonnet (Reasoning)
- Complex reasoning tasks
- Research & analysis
Phi-3 Mini Instruct 3.8B
- Cost-sensitive applications
- High-volume processing
