# Flint vs Kimi K2.5 (Reasoning)

> Side-by-side benchmark comparison for Flint and Kimi K2.5 (Reasoning) across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/flint-40b-a2-5b-vs-kimi-k2-5-reasoning
- Last updated: October 20, 2026

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

## Quick Verdict

Evidence is too thin for a benchmark verdict: Flint and Kimi K2.5 (Reasoning) 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.
- Flint has the lower published output-token price.
- Flint has the larger published context window at 256K.

## Model Snapshot

| Property | Flint | Kimi K2.5 (Reasoning) |
|----------|----------|----------|
| Creator | Recursive | Moonshot AI |
| Type | Open Weight | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 256K | 128K |
| Independent public score (not head-to-head) | null | 56.13 |
| Benchmarks Covered | 5 | 15 |
| Pricing (input/output) | $0.00 / $0.00 | $0.60 / $3.00 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Flint public-lane score: Coming soon
- Kimi K2.5 (Reasoning) public-lane score: 38.7 (Estimated · #72/132)

| Benchmark | Flint | Kimi K2.5 (Reasoning) | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 54.9% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | Coming soon | 50.8% | Coming soon |
| BrowseComp | Coming soon | 60.6% | Coming soon |
| OSWorld-Verified | Coming soon | 63.3% | Coming soon |
| Gert Labs | Coming soon | 32.58% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Flint public-lane score: Coming soon
- Kimi K2.5 (Reasoning) public-lane score: Coming soon

| Benchmark | Flint | Kimi K2.5 (Reasoning) | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 74.2% | 76.8% | Kimi K2.5 (Reasoning) |
| LiveCodeBench v6 | 80.3% | 85.0% | Kimi K2.5 (Reasoning) |
| Terminal-Bench 2.0 | Coming soon | 50.8% | Coming soon |
| Vibe Code Bench | Coming soon | 17.54% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Flint public-lane score: Coming soon
- Kimi K2.5 (Reasoning) public-lane score: 66.3 (Unranked · 1 rankable row)

| Benchmark | Flint | Kimi K2.5 (Reasoning) | Winner |
|-----------|-----------|-----------|--------|
| LongBench v2 | Coming soon | 61% | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Flint public-lane score: Coming soon
- Kimi K2.5 (Reasoning) public-lane score: 69 (#34/55)

| Benchmark | Flint | Kimi K2.5 (Reasoning) | Winner |
|-----------|-----------|-----------|--------|
| MMMU-Pro | Coming soon | 78.5% | Coming soon |
| CharXiv | Coming soon | 77.5% | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Flint public-lane score: Coming soon
- Kimi K2.5 (Reasoning) public-lane score: 48.9 (Estimated · #87/187)

| Benchmark | Flint | Kimi K2.5 (Reasoning) | Winner |
|-----------|-----------|-----------|--------|
| GPQA | Coming soon | 87.6% | Coming soon |
| MMLU-Pro | Coming soon | 87.1% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Flint public-lane score: 94.7 (#3/152)
- Kimi K2.5 (Reasoning) public-lane score: Coming soon

| Benchmark | Flint | Kimi K2.5 (Reasoning) | Winner |
|-----------|-----------|-----------|--------|
| IFBench | 89.2% | Coming soon | Coming soon |
| IFEval | 95.1% | Coming soon | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- Flint public-lane score: Coming soon
- Kimi K2.5 (Reasoning) public-lane score: Coming soon

| Benchmark | Flint | Kimi K2.5 (Reasoning) | Winner |
|-----------|-----------|-----------|--------|
| AIME 2025 | Coming soon | 96.1% | Coming soon |
| HMMT Feb 2025 | Coming soon | 95.4% | Coming soon |

## FAQ

### Is there enough evidence to pick between Flint and Kimi K2.5 (Reasoning)?

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

- [Flint vs Kimi K2.5](/compare/flint-40b-a2-5b-vs-kimi-k2-5)
- [Kimi K2.5 (Reasoning) vs Kimi K2.5](/compare/kimi-k2-5-vs-kimi-k2-5-reasoning)
- [Flint vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-flint-40b-a2-5b)
- [Kimi K2.5 (Reasoning) vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-kimi-k2-5-reasoning)

## Explore More

- [Flint profile](/models/flint-40b-a2-5b)
- [Kimi K2.5 (Reasoning) profile](/models/kimi-k2-5-reasoning)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)