Model comparison
Claude Haiku 5.5 vs Phi-4 Mini
Claude Haiku 5.5 is the stronger model overall, scoring 49.5 to 30.9 on the Noometry Index. Phi-4 Mini costs 1.5× less per token, which makes it the better buy when Claude Haiku 5.5's lead doesn't matter for your workload.
Last verified . 0 shared benchmarks.
MicrosoftSummary
- The widest gap is in knowledge, where Claude Haiku 5.5 leads 50.8 to 25.3.
- Phi-4 Mini is cheaper at $0.075 / $0.30 per million input/output tokens, against $0.10 / $0.50 for Claude Haiku 5.5.
- Claude Haiku 5.5 accepts more context: 1M tokens versus 128K.
- Phi-4 Mini has downloadable open weights; the other is API-only.
Side by side
| Claude Haiku 5.5 | Phi-4 Mini | |
|---|---|---|
| Provider | Anthropic | Microsoft |
| Noometry Index | 49.5 | 30.9 |
| Released | 2026-10-07 | 2024-12-11 |
| Weights | Proprietary | Open |
| Context window | 1M | 128K |
| Max output | 128K | 4K |
| Input $ / M tokens | $0.10 | $0.075 |
| Output $ / M tokens | $0.50 | $0.30 |
| Results tracked | 9 | 3 |
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Category by category
Coding Claude Haiku 5.5 leads
Claude Haiku 5.5: 49.2 (#50), Phi-4 Mini: 28.1 (#317)
| Benchmark | Claude Haiku 5.5 | Phi-4 Mini |
|---|---|---|
| LMArena WebDev | 1587 | — |
| SciCode | — | 10.8% |
Reasoning Claude Haiku 5.5 leads
Claude Haiku 5.5: 35.2 (#69), Phi-4 Mini: 22.4 (#195)
| Benchmark | Claude Haiku 5.5 | Phi-4 Mini |
|---|---|---|
| NYT Connections (extended) | 65.7% | — |
| CritPt | — | 0% |
| Mystery Game Puzzles | 30% | — |
Math Not comparable
Claude Haiku 5.5: 73.6 (#18), Phi-4 Mini: —
| Benchmark | Claude Haiku 5.5 | Phi-4 Mini |
|---|---|---|
| FrontierMath (Tiers 1-3) | 75.1% | — |
| FrontierMath Tier 4 | 46.3% | — |
| OTIS Mock AIME 2024-2025 | 98.9% | — |
Knowledge Claude Haiku 5.5 leads
Claude Haiku 5.5: 50.8 (#70), Phi-4 Mini: 25.3 (#262)
| Benchmark | Claude Haiku 5.5 | Phi-4 Mini |
|---|---|---|
| GPQA Diamond | 89.6% | — |
| SimpleQA Verified | 23.8% | — |
| Vectara Hallucination Rate | — | 23.5% |
Multimodal Not comparable
Claude Haiku 5.5: 43.7 (#21), Phi-4 Mini: —
| Benchmark | Claude Haiku 5.5 | Phi-4 Mini |
|---|---|---|
| Furniture Assembly | 47.5% | — |
Frequently asked questions
Is Claude Haiku 5.5 better than Phi-4 Mini?
Claude Haiku 5.5 is the stronger model overall, scoring 49.5 to 30.9 on the Noometry Index. Phi-4 Mini costs 1.5× less per token, which makes it the better buy when Claude Haiku 5.5's lead doesn't matter for your workload.
Which is cheaper, Claude Haiku 5.5 or Phi-4 Mini?
Phi-4 Mini is cheaper. It lists at $0.075 per million input tokens and $0.30 per million output tokens; Claude Haiku 5.5 lists at $0.10 and $0.50.
Is Claude Haiku 5.5 or Phi-4 Mini better for coding?
Claude Haiku 5.5 scores higher on coding benchmarks: 49.2 versus 28.1 in the Noometry coding category.
Which has the bigger context window?
Claude Haiku 5.5 does, with 1M tokens against 128K.
How many benchmarks do Claude Haiku 5.5 and Phi-4 Mini share?
0 benchmarks have published results for both models. Claude Haiku 5.5 has 9 scored results on Noometry and Phi-4 Mini has 3.