# classifier.dev (fast) vs Claude Haiku 4.5

> Side-by-side benchmark comparison for classifier.dev (fast) and Claude Haiku 4.5 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/classifier-dev-fast-vs-claude-haiku-4-5
- Last updated: October 1, 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 classifier.dev (fast) and Claude Haiku 4.5.

## Summary

- classifier.dev (fast) and Claude Haiku 4.5 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 | classifier.dev (fast) | Claude Haiku 4.5 |
|----------|----------|----------|
| Creator | classifier.dev | Anthropic |
| Type | Proprietary | Proprietary |
| Reasoning | Non-Reasoning | Non-Reasoning |
| Context | null | 200K |
| Independent public score (not head-to-head) | null | 42.4 |
| Benchmarks Covered | 2 | 10 |
| Pricing (input/output) | Pricing unavailable / Pricing unavailable | $1.00 / $5.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- classifier.dev (fast) public-lane score: Coming soon
- Claude Haiku 4.5 public-lane score: 21.8 (Supported · #97/119)

| Benchmark | classifier.dev (fast) | Claude Haiku 4.5 | Winner |
|-----------|-----------|-----------|--------|
| JobBench | Coming soon | 16.0% | Coming soon |
| Terminal-Bench 2.1 (Vals) | Coming soon | 43.8% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- classifier.dev (fast) public-lane score: Coming soon
- Claude Haiku 4.5 public-lane score: 19.6 (Supported · #120/144)

| Benchmark | classifier.dev (fast) | Claude Haiku 4.5 | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | Coming soon | 73.3% | Coming soon |
| VulcanBench v3 | Coming soon | 76.2% | Coming soon |
| LiveCodeBench (Vals) | Coming soon | 41.2% | Coming soon |
| SWE-bench (Vals) | Coming soon | 66.6% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- classifier.dev (fast) public-lane score: Coming soon
- Claude Haiku 4.5 public-lane score: Coming soon

| Benchmark | classifier.dev (fast) | Claude Haiku 4.5 | Winner |
|-----------|-----------|-----------|--------|
| JevBench 1.4 | 70.82 | Coming soon | Coming soon |
| JevBench 1.5 | 74.66 | Coming soon | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- classifier.dev (fast) public-lane score: Coming soon
- Claude Haiku 4.5 public-lane score: 35.2 (Estimated · #116/170)

| Benchmark | classifier.dev (fast) | Claude Haiku 4.5 | Winner |
|-----------|-----------|-----------|--------|
| GPQA Diamond (Vals) | Coming soon | 72.2% | Coming soon |
| MMLU-Pro (Vals) | Coming soon | 78.7% | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- classifier.dev (fast) public-lane score: Coming soon
- Claude Haiku 4.5 public-lane score: 28.8 (Unranked · 2 rankable rows)

| Benchmark | classifier.dev (fast) | Claude Haiku 4.5 | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath v2 (Tiers 1-3) | Coming soon | 5.903% | Coming soon |
| FrontierMath v2 (Tier 4) | Coming soon | 2.083% | Coming soon |

## FAQ

### Can I compare classifier.dev (fast) and Claude Haiku 4.5 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

- [classifier.dev (fast) vs Claude Haiku 4.5 Thinking](/compare/classifier-dev-fast-vs-claude-haiku-4-5-thinking)
- [Claude Haiku 4.5 vs Claude Haiku 4.5 Thinking](/compare/claude-haiku-4-5-vs-claude-haiku-4-5-thinking)
- [classifier.dev (fast) vs GPT-6 Astra](/compare/classifier-dev-fast-vs-gpt-6-astra)
- [Claude Haiku 4.5 vs GPT-6 Astra](/compare/claude-haiku-4-5-vs-gpt-6-astra)

## Explore More

- [classifier.dev (fast) profile](/models/classifier-dev-fast)
- [Claude Haiku 4.5 profile](/models/claude-haiku-4-5)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)