# Claude Haiku 4.5 vs Phi-4-reasoning-plus

> Side-by-side benchmark comparison for Claude Haiku 4.5 and Phi-4-reasoning-plus across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-haiku-4-5-vs-phi-4-reasoning-plus
- Last updated: October 14, 2026

- Shared sourced benchmarks: 0
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

No benchmark verdict yet: there is no shared sourced benchmark row for Claude Haiku 4.5 and Phi-4-reasoning-plus.

## Summary

- Claude Haiku 4.5 and Phi-4-reasoning-plus do not currently share a sourced benchmark row. The mirror therefore compares metadata, pricing, context windows, and each model's separately reported coverage without naming a benchmark winner.

## Model Snapshot

| Property | Claude Haiku 4.5 | Phi-4-reasoning-plus |
|----------|----------|----------|
| Creator | Anthropic | Microsoft |
| Type | Proprietary | Open Weight |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 200K | 32K |
| Independent public score (not head-to-head) | 40.93 | null |
| Benchmarks Covered | 8 | 6 |
| Pricing (input/output) | $1.00 / $5.00 | N/A |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Claude Haiku 4.5 public-lane score: 20.8 (Supported · #103/124)
- Phi-4-reasoning-plus public-lane score: Coming soon

| Benchmark | Claude Haiku 4.5 | Phi-4-reasoning-plus | Winner |
|-----------|-----------|-----------|--------|
| JobBench | 16.0% | Coming soon | Coming soon |
| Terminal-Bench 2.1 (Vals) | 43.8% | Coming soon | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Claude Haiku 4.5 public-lane score: 16.4 (Supported · #131/149)
- Phi-4-reasoning-plus public-lane score: Coming soon

| Benchmark | Claude Haiku 4.5 | Phi-4-reasoning-plus | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 73.3% | Coming soon | Coming soon |
| VulcanBench v3 | 76.2% | Coming soon | Coming soon |
| LiveCodeBench (Vals) | 41.2% | Coming soon | Coming soon |
| SWE-bench (Vals) | 66.6% | Coming soon | Coming soon |
| LiveCodeBench | Coming soon | 53.1% | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Claude Haiku 4.5 public-lane score: 33.5 (Estimated · #138/181)
- Phi-4-reasoning-plus public-lane score: Coming soon

| Benchmark | Claude Haiku 4.5 | Phi-4-reasoning-plus | Winner |
|-----------|-----------|-----------|--------|
| GPQA Diamond (Vals) | 72.2% | Coming soon | Coming soon |
| MMLU-Pro (Vals) | 78.7% | Coming soon | Coming soon |
| GPQA | Coming soon | 68.9% | Coming soon |
| MMLU-Pro | Coming soon | 76% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Claude Haiku 4.5 public-lane score: Coming soon
- Phi-4-reasoning-plus public-lane score: Coming soon

| Benchmark | Claude Haiku 4.5 | Phi-4-reasoning-plus | Winner |
|-----------|-----------|-----------|--------|
| IFEval | Coming soon | 84.9% | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- Claude Haiku 4.5 public-lane score: Coming soon
- Phi-4-reasoning-plus public-lane score: Coming soon

| Benchmark | Claude Haiku 4.5 | Phi-4-reasoning-plus | Winner |
|-----------|-----------|-----------|--------|
| AIME 2024 | Coming soon | 81.3% | Coming soon |
| AIME 2025 | Coming soon | 78% | Coming soon |

## FAQ

### Can I compare Claude Haiku 4.5 and Phi-4-reasoning-plus on BenchLM yet?

Not fully yet. BenchLM is tracking both models, but sourced benchmark coverage is still incomplete for a fair score-level comparison.

### Why does this page show "coming soon" values?

BenchLM only calls winners when public benchmark coverage is available on both sides of the comparison.

## Related Comparisons

- [Claude Haiku 4.5 vs Claude Haiku 4.5 Thinking](/compare/claude-haiku-4-5-vs-claude-haiku-4-5-thinking)
- [Phi-4-reasoning-plus vs Claude Haiku 4.5 Thinking](/compare/claude-haiku-4-5-thinking-vs-phi-4-reasoning-plus)
- [Claude Haiku 4.5 vs Phi-4-reasoning](/compare/claude-haiku-4-5-vs-phi-4-reasoning)
- [Phi-4-reasoning-plus vs Phi-4-reasoning](/compare/phi-4-reasoning-vs-phi-4-reasoning-plus)

## Explore More

- [Claude Haiku 4.5 profile](/models/claude-haiku-4-5)
- [Phi-4-reasoning-plus profile](/models/phi-4-reasoning-plus)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)