# Claude 4 Opus Thinking vs Magistral Small

> Side-by-side benchmark comparison for Claude 4 Opus Thinking and Magistral Small across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-4-opus-thinking-vs-magistral-small
- Last updated: October 14, 2026

- Shared sourced benchmarks: 2
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Evidence is too thin for a benchmark verdict: Claude 4 Opus Thinking and Magistral Small share only 2 sourced benchmark rows.

## Summary

- Only 2 shared sourced benchmark rows are available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- Claude 4 Opus Thinking has the larger published context window at 200K.

## Model Snapshot

| Property | Claude 4 Opus Thinking | Magistral Small |
|----------|----------|----------|
| Creator | Anthropic | Mistral |
| Type | Proprietary | Open Weight |
| Reasoning | Reasoning | Reasoning |
| Context | 200K | 128K |
| Independent public score (not head-to-head) | null | null |
| Benchmarks Covered | 4 | 6 |
| Pricing (input/output) | N/A | N/A |

## Category Breakdown

### Coding

- Winner: Insufficient shared evidence
- Claude 4 Opus Thinking public-lane score: Coming soon
- Magistral Small public-lane score: Coming soon

| Benchmark | Claude 4 Opus Thinking | Magistral Small | Winner |
|-----------|-----------|-----------|--------|
| LiveCodeBench v5 | Coming soon | 55.8% | Coming soon |
| LiveCodeBench v6 | Coming soon | 47.4% | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Claude 4 Opus Thinking public-lane score: Coming soon
- Magistral Small public-lane score: Coming soon

| Benchmark | Claude 4 Opus Thinking | Magistral Small | Winner |
|-----------|-----------|-----------|--------|
| MMMU | 76.5% | Coming soon | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Claude 4 Opus Thinking public-lane score: Coming soon
- Magistral Small public-lane score: Coming soon

| Benchmark | Claude 4 Opus Thinking | Magistral Small | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 79.6% | 68.2% | Claude 4 Opus Thinking |
| MMMLU | 88.8% | Coming soon | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- Claude 4 Opus Thinking public-lane score: Coming soon
- Magistral Small public-lane score: Coming soon

| Benchmark | Claude 4 Opus Thinking | Magistral Small | Winner |
|-----------|-----------|-----------|--------|
| AIME 2025 | 75.5% | 62.8% | Claude 4 Opus Thinking |
| AIME 2024 | Coming soon | 70.7% | Coming soon |
| MATH-500 | Coming soon | 95.9% | Coming soon |

## FAQ

### Is there enough evidence to pick between Claude 4 Opus Thinking and Magistral Small?

Not yet. The models share only 2 sourced benchmark rows, 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 4 Opus Thinking vs Claude 4 Opus](/compare/claude-4-opus-vs-claude-4-opus-thinking)
- [Magistral Small vs Claude 4 Opus](/compare/claude-4-opus-vs-magistral-small)
- [Claude 4 Opus Thinking vs Magistral Medium](/compare/claude-4-opus-thinking-vs-magistral-medium)
- [Magistral Small vs Magistral Medium](/compare/magistral-medium-vs-magistral-small)

## Explore More

- [Claude 4 Opus Thinking profile](/models/claude-4-opus-thinking)
- [Magistral Small profile](/models/magistral-small)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)