# Claude 4 Opus vs Flint

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

- Canonical page: https://benchlm.ai/compare/claude-4-opus-vs-flint-40b-a2-5b
- Last updated: October 23, 2026

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

## Quick Verdict

Evidence is too thin for a benchmark verdict: Claude 4 Opus and Flint 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.
- Flint has the larger published context window at 256K.

## Model Snapshot

| Property | Claude 4 Opus | Flint |
|----------|----------|----------|
| Creator | Anthropic | Recursive |
| Type | Proprietary | Open Weight |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 200K | 256K |
| Independent public score (not head-to-head) | null | null |
| Benchmarks Covered | 5 | 5 |
| Pricing (input/output) | N/A | $0.00 / $0.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Claude 4 Opus public-lane score: Coming soon
- Flint public-lane score: Coming soon

| Benchmark | Claude 4 Opus | Flint | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | Coming soon | 54.9% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Claude 4 Opus public-lane score: Coming soon
- Flint public-lane score: Coming soon

| Benchmark | Claude 4 Opus | Flint | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 72.5% | 74.2% | Flint |
| LiveCodeBench v6 | Coming soon | 80.3% | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Claude 4 Opus public-lane score: Coming soon
- Flint public-lane score: Coming soon

| Benchmark | Claude 4 Opus | Flint | Winner |
|-----------|-----------|-----------|--------|
| MMMU | 73.7% | Coming soon | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Claude 4 Opus public-lane score: Coming soon
- Flint public-lane score: Coming soon

| Benchmark | Claude 4 Opus | Flint | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 74.9% | Coming soon | Coming soon |
| MMMLU | 87.4% | Coming soon | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Claude 4 Opus public-lane score: 50.7 (#94/152)
- Flint public-lane score: 94.7 (#3/152)

| Benchmark | Claude 4 Opus | Flint | Winner |
|-----------|-----------|-----------|--------|
| IFBench | Coming soon | 89.2% | Coming soon |
| IFEval | Coming soon | 95.1% | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- Claude 4 Opus public-lane score: Coming soon
- Flint public-lane score: Coming soon

| Benchmark | Claude 4 Opus | Flint | Winner |
|-----------|-----------|-----------|--------|
| AIME 2025 | 33.9% | Coming soon | Coming soon |

## FAQ

### Is there enough evidence to pick between Claude 4 Opus and Flint?

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 4 Opus vs Claude 4 Opus Thinking](/compare/claude-4-opus-vs-claude-4-opus-thinking)
- [Flint vs Claude 4 Opus Thinking](/compare/claude-4-opus-thinking-vs-flint-40b-a2-5b)
- [Claude 4 Opus vs Claude Opus 5.5](/compare/claude-4-opus-vs-claude-opus-5-5)
- [Flint vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-flint-40b-a2-5b)

## Explore More

- [Claude 4 Opus profile](/models/claude-4-opus)
- [Flint profile](/models/flint-40b-a2-5b)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)