# Claude 4.1 Opus Thinking vs Particle-1

> Side-by-side benchmark comparison for Claude 4.1 Opus Thinking and Particle-1 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-4-1-opus-thinking-vs-particle-1
- Last updated: October 29, 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 4.1 Opus Thinking and Particle-1.

## Summary

- Claude 4.1 Opus Thinking and Particle-1 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 4.1 Opus Thinking | Particle-1 |
|----------|----------|----------|
| Creator | Anthropic | Particle AI |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 200K | 1M |
| Independent public score (not head-to-head) | 38.33 | null |
| Benchmarks Covered | 0 | 5 |
| Pricing (input/output) | Pricing unavailable / Pricing unavailable | $0.25 / $1.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Claude 4.1 Opus Thinking public-lane score: Coming soon
- Particle-1 public-lane score: Coming soon

| Benchmark | Claude 4.1 Opus Thinking | Particle-1 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | Coming soon | 79.9% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Claude 4.1 Opus Thinking public-lane score: Coming soon
- Particle-1 public-lane score: Coming soon

| Benchmark | Claude 4.1 Opus Thinking | Particle-1 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | Coming soon | 79.9% | Coming soon |
| DeepSWE | Coming soon | 72.6% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Claude 4.1 Opus Thinking public-lane score: 77.2 (Unranked · 2 rankable rows)
- Particle-1 public-lane score: Coming soon

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Claude 4.1 Opus Thinking public-lane score: 65 (Unranked · 1 rankable row)
- Particle-1 public-lane score: Coming soon

### Knowledge

- Winner: Insufficient shared evidence
- Claude 4.1 Opus Thinking public-lane score: 42.8 (Estimated · #106/179)
- Particle-1 public-lane score: Coming soon

| Benchmark | Claude 4.1 Opus Thinking | Particle-1 | Winner |
|-----------|-----------|-----------|--------|
| GPQA-D | Coming soon | 90.4% | Coming soon |
| MMLU | Coming soon | 86.1% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Claude 4.1 Opus Thinking public-lane score: 66.5 (#81/157)
- Particle-1 public-lane score: Coming soon

## FAQ

### Can I compare Claude 4.1 Opus Thinking and Particle-1 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 4.1 Opus Thinking vs Claude 4.1 Opus](/compare/claude-4-1-opus-vs-claude-4-1-opus-thinking)
- [Particle-1 vs Claude 4.1 Opus](/compare/claude-4-1-opus-vs-particle-1)
- [Claude 4.1 Opus Thinking vs Gemini 4 Carbon](/compare/claude-4-1-opus-thinking-vs-gemini-4-carbon)
- [Particle-1 vs Gemini 4 Carbon](/compare/gemini-4-carbon-vs-particle-1)

## Explore More

- [Claude 4.1 Opus Thinking profile](/models/claude-4-1-opus-thinking)
- [Particle-1 profile](/models/particle-1)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)