# Celeris-1 vs Claude Haiku 4.5

> Side-by-side benchmark comparison for Celeris-1 and Claude Haiku 4.5 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/celeris-1-vs-claude-haiku-4-5
- Last updated: September 4, 2026

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

## Quick Verdict

No benchmark verdict yet: there is no shared sourced benchmark row for Celeris-1 and Claude Haiku 4.5.

## Summary

- Celeris-1 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 | Celeris-1 | Claude Haiku 4.5 |
|----------|----------|----------|
| Creator | Celeris | Anthropic |
| Type | Proprietary | Proprietary |
| Reasoning | Non-Reasoning | Non-Reasoning |
| Context | 128K | 200K |
| Independent public score (not head-to-head) | null | 52.73 |
| Benchmarks Covered | 4 | 10 |
| Pricing (input/output) | $0.20 / $0.70 | $1.00 / $5.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Celeris-1 public-lane score: Coming soon
- Claude Haiku 4.5 public-lane score: 27 (Supported · #143/151)

| Benchmark | Celeris-1 | 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
- Celeris-1 public-lane score: Coming soon
- Claude Haiku 4.5 public-lane score: 27.3 (Supported · #173/183)

| Benchmark | Celeris-1 | 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
- Celeris-1 public-lane score: 47.8 (Unranked · 3 rankable rows)
- Claude Haiku 4.5 public-lane score: Coming soon

| Benchmark | Celeris-1 | Claude Haiku 4.5 | Winner |
|-----------|-----------|-----------|--------|
| DROP | 81.4% | Coming soon | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Celeris-1 public-lane score: Coming soon
- Claude Haiku 4.5 public-lane score: 44.6 (Estimated · #117/181)

| Benchmark | Celeris-1 | Claude Haiku 4.5 | Winner |
|-----------|-----------|-----------|--------|
| MMLU-Pro | 75.9% | Coming soon | Coming soon |
| GPQA Diamond (Vals) | Coming soon | 72.2% | Coming soon |
| MMLU-Pro (Vals) | Coming soon | 78.7% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Celeris-1 public-lane score: Coming soon
- Claude Haiku 4.5 public-lane score: Coming soon

| Benchmark | Celeris-1 | Claude Haiku 4.5 | Winner |
|-----------|-----------|-----------|--------|
| IFEval | 80.8% | Coming soon | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- Celeris-1 public-lane score: Coming soon
- Claude Haiku 4.5 public-lane score: 28.9 (Unranked · 2 rankable rows)

| Benchmark | Celeris-1 | Claude Haiku 4.5 | Winner |
|-----------|-----------|-----------|--------|
| GSM8K | 93.7% | Coming soon | Coming soon |
| 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 Celeris-1 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

- [Celeris-1 vs Claude Haiku 4.5 Thinking](/compare/celeris-1-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)
- [Celeris-1 vs Claude Fable 5.1](/compare/celeris-1-vs-claude-fable-5-1)
- [Claude Haiku 4.5 vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-claude-haiku-4-5)

## Explore More

- [Celeris-1 profile](/models/celeris-1)
- [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)