# Kimi K2 vs Ultramarine 1 Flash

> Side-by-side benchmark comparison for Kimi K2 and Ultramarine 1 Flash across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/kimi-k2-vs-ultramarine-1-flash
- Last updated: October 15, 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 Kimi K2 and Ultramarine 1 Flash.

## Summary

- Kimi K2 and Ultramarine 1 Flash 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 | Kimi K2 | Ultramarine 1 Flash |
|----------|----------|----------|
| Creator | Moonshot AI | Paper Instruments |
| Type | Proprietary | Proprietary |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 128K | Not disclosed |
| Independent public score (not head-to-head) | 33.48 | null |
| Benchmarks Covered | 13 | 5 |
| Pricing (input/output) | $0.60 / $2.50 | $0.15 / $0.50 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Kimi K2 public-lane score: Coming soon
- Ultramarine 1 Flash public-lane score: Coming soon

| Benchmark | Kimi K2 | Ultramarine 1 Flash | Winner |
|-----------|-----------|-----------|--------|
| JobBench | Coming soon | 62.9% | Coming soon |
| AutomationBench | Coming soon | 50.2% | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 83.2% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Kimi K2 public-lane score: Coming soon
- Ultramarine 1 Flash public-lane score: Coming soon

| Benchmark | Kimi K2 | Ultramarine 1 Flash | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 65.8% | Coming soon | Coming soon |
| LiveCodeBench v6 | 53.7% | Coming soon | Coming soon |
| SWE Multilingual | 47.3% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 83.2% | Coming soon |
| DeepSWE | Coming soon | 61.5% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Kimi K2 public-lane score: 62.3 (Unranked · 2 rankable rows)
- Ultramarine 1 Flash public-lane score: Coming soon

### Knowledge

- Winner: Insufficient shared evidence
- Kimi K2 public-lane score: 36.1 (Estimated · #127/182)
- Ultramarine 1 Flash public-lane score: Coming soon

| Benchmark | Kimi K2 | Ultramarine 1 Flash | Winner |
|-----------|-----------|-----------|--------|
| MMLU | 89.5% | Coming soon | Coming soon |
| GPQA | 75.1% | Coming soon | Coming soon |
| SuperGPQA | 57.2% | Coming soon | Coming soon |
| MMLU-Pro | 81.1% | Coming soon | Coming soon |
| SimpleQA | 31% | Coming soon | Coming soon |
| HLE | 4.7% | Coming soon | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Kimi K2 public-lane score: 48.4 (#94/146)
- Ultramarine 1 Flash public-lane score: Coming soon

| Benchmark | Kimi K2 | Ultramarine 1 Flash | Winner |
|-----------|-----------|-----------|--------|
| IFEval | 89.8% | Coming soon | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- Kimi K2 public-lane score: 0 (#12/12)
- Ultramarine 1 Flash public-lane score: Coming soon

| Benchmark | Kimi K2 | Ultramarine 1 Flash | Winner |
|-----------|-----------|-----------|--------|
| AIME 2024 | 69.6% | Coming soon | Coming soon |
| AIME 2025 | 49.5% | Coming soon | Coming soon |
| MATH-500 | 97.4% | Coming soon | Coming soon |

## FAQ

### Can I compare Kimi K2 and Ultramarine 1 Flash 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

- [Kimi K2 vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-kimi-k2)
- [Ultramarine 1 Flash vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-ultramarine-1-flash)
- [Kimi K2 vs GPT-6.1 Sol](/compare/gpt-6-1-sol-vs-kimi-k2)
- [Ultramarine 1 Flash vs GPT-6.1 Sol](/compare/gpt-6-1-sol-vs-ultramarine-1-flash)

## Explore More

- [Kimi K2 profile](/models/kimi-k2)
- [Ultramarine 1 Flash profile](/models/ultramarine-1-flash)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)