# Claude Haiku 5.5 vs Inkling-Small

> Side-by-side benchmark comparison for Claude Haiku 5.5 and Inkling-Small across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-haiku-5-5-vs-inkling-small
- Last updated: October 7, 2026

- Shared sourced benchmarks: 1
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Evidence is too thin for a benchmark verdict: Claude Haiku 5.5 and Inkling-Small share only 1 sourced benchmark row.

## Summary

- Only 1 shared sourced benchmark row is available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- Claude Haiku 5.5 has the lower published output-token price.

## Model Snapshot

| Property | Claude Haiku 5.5 | Inkling-Small |
|----------|----------|----------|
| Creator | Anthropic | Thinking Machines Lab |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Hybrid |
| Context | 1M | 1M |
| Independent public score (not head-to-head) | 66.32 | 54.54 |
| Benchmarks Covered | 5 | 26 |
| Pricing (input/output) | $0.10 / $0.50 | $0.58 / $1.44 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Claude Haiku 5.5 public-lane score: 62.1 (Supported · #18/122)
- Inkling-Small public-lane score: 35.5 (Supported · #72/122)

| Benchmark | Claude Haiku 5.5 | Inkling-Small | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 4.0 | 39.20% | Coming soon | Coming soon |
| HLE w/ tools | 57.4% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 64.7% | Coming soon |
| BrowseComp | Coming soon | 77.4% | Coming soon |
| MCP Atlas | Coming soon | 79.6% | Coming soon |
| Toolathlon-Verified | Coming soon | 54.4% | Coming soon |
| Terminal-Bench 2.1 (Vals) | Coming soon | 55.1% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Claude Haiku 5.5 public-lane score: 60.9 (Supported · #20/146)
- Inkling-Small public-lane score: 39.2 (Supported · #66/146)

| Benchmark | Claude Haiku 5.5 | Inkling-Small | Winner |
|-----------|-----------|-----------|--------|
| FrontierCode 1.1 Main | 46.4% | Coming soon | Coming soon |
| SWE-bench Verified | Coming soon | 80.2% | Coming soon |
| SWE-bench Pro | Coming soon | 55.9% | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 64.7% | Coming soon |
| SciCode | Coming soon | 48.7% | Coming soon |
| LiveCodeBench (Vals) | Coming soon | 85.9% | Coming soon |
| SWE-bench (Vals) | Coming soon | 82.2% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Claude Haiku 5.5 public-lane score: 79.2 (Unranked · 2 rankable rows)
- Inkling-Small public-lane score: 51.4 (Unranked · 4 rankable rows)

| Benchmark | Claude Haiku 5.5 | Inkling-Small | Winner |
|-----------|-----------|-----------|--------|
| ARC-AGI-2 | Coming soon | 40.1% | Coming soon |
| CritPt | Coming soon | 8.3% | Coming soon |
| ARC-AGI-1 | Coming soon | 84.00% | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Claude Haiku 5.5 public-lane score: Coming soon
- Inkling-Small public-lane score: 49.8 (#39/49)

| Benchmark | Claude Haiku 5.5 | Inkling-Small | Winner |
|-----------|-----------|-----------|--------|
| Chartography (no tools) | 46.4% | Coming soon | Coming soon |
| MMMU-Pro | Coming soon | 74% | Coming soon |
| CharXiv | Coming soon | 81.3% | Coming soon |
| CharXiv w/o tools | Coming soon | 77.4% | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Claude Haiku 5.5 public-lane score: Coming soon
- Inkling-Small public-lane score: 53.7 (Supported · #55/174)

| Benchmark | Claude Haiku 5.5 | Inkling-Small | Winner |
|-----------|-----------|-----------|--------|
| HLE w/o tools | 45.9% | 31.6% | Claude Haiku 5.5 |
| GPQA | Coming soon | 89.5% | Coming soon |
| GPQA-D | Coming soon | 89.5% | Coming soon |
| HLE | Coming soon | 47.8% | Coming soon |
| GPQA Diamond (Vals) | Coming soon | 83.6% | Coming soon |
| MMLU-Pro (Vals) | Coming soon | 85.6% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Claude Haiku 5.5 public-lane score: Coming soon
- Inkling-Small public-lane score: 88.5 (#23/125)

| Benchmark | Claude Haiku 5.5 | Inkling-Small | Winner |
|-----------|-----------|-----------|--------|
| IFBench | Coming soon | 82.2% | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- Claude Haiku 5.5 public-lane score: Coming soon
- Inkling-Small public-lane score: 76.5 (Unranked · 2 rankable rows)

| Benchmark | Claude Haiku 5.5 | Inkling-Small | Winner |
|-----------|-----------|-----------|--------|
| AIME26 | Coming soon | 95.5% | Coming soon |
| HMMT Feb 2026 | Coming soon | 90.2% | Coming soon |

## FAQ

### Is there enough evidence to pick between Claude Haiku 5.5 and Inkling-Small?

Not yet. The models share only 1 sourced benchmark row, so this mirror reports the available measurements and metadata without naming a broad winner.

### What can I compare safely on this page?

Published pricing, context windows, model type, and individual shared benchmark rows are directly comparable. Independent overall scores and non-overlapping benchmark coverage are labeled separately and should not be read as a controlled head-to-head result.

## Related Comparisons

- [Claude Haiku 5.5 vs Inkling](/compare/claude-haiku-5-5-vs-inkling)
- [Inkling-Small vs Inkling](/compare/inkling-vs-inkling-small)
- [Claude Haiku 5.5 vs Claude Opus 5.5](/compare/claude-haiku-5-5-vs-claude-opus-5-5)
- [Inkling-Small vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-inkling-small)

## Explore More

- [Claude Haiku 5.5 profile](/models/claude-haiku-5-5)
- [Inkling-Small profile](/models/inkling-small)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)