# Kimi K2 vs Beam 1.0 501B-A23B FP8

> Side-by-side benchmark comparison for Kimi K2 and Beam 1.0 501B-A23B FP8 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/kimi-k2-vs-reflection-beam-fp8
- Last updated: October 16, 2026

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

## Quick Verdict

Evidence is too thin for a benchmark verdict: Kimi K2 and Beam 1.0 501B-A23B FP8 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.
- Beam 1.0 501B-A23B FP8 has the lower published output-token price.
- Beam 1.0 501B-A23B FP8 has the larger published context window at 1M.

## Model Snapshot

| Property | Kimi K2 | Beam 1.0 501B-A23B FP8 |
|----------|----------|----------|
| Creator | Moonshot AI | Reflection AI |
| Type | Proprietary | Open Weight |
| Reasoning | Non-Reasoning | Reasoning |
| Context | 128K | 1M |
| Independent public score (not head-to-head) | 33.48 | null |
| Benchmarks Covered | 13 | 19 |
| Pricing (input/output) | $0.60 / $2.50 | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Kimi K2 public-lane score: Coming soon
- Beam 1.0 501B-A23B FP8 public-lane score: Coming soon

| Benchmark | Kimi K2 | Beam 1.0 501B-A23B FP8 | Winner |
|-----------|-----------|-----------|--------|
| τ³-bench results | Coming soon | 36.8% | Coming soon |
| HLE w/ tools | Coming soon | 51.1% | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 78.9% | Coming soon |
| MCP Atlas | Coming soon | 81.5% | Coming soon |
| BrowseComp | Coming soon | 76.7% | Coming soon |
| DeepSearchQA | Coming soon | 79.6% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Kimi K2 public-lane score: Coming soon
- Beam 1.0 501B-A23B FP8 public-lane score: Coming soon

| Benchmark | Kimi K2 | Beam 1.0 501B-A23B FP8 | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 65.8% | 80.2% | Beam 1.0 501B-A23B FP8 |
| LiveCodeBench v6 | 53.7% | Coming soon | Coming soon |
| SWE Multilingual | 47.3% | 78.1% | Beam 1.0 501B-A23B FP8 |
| DeepSWE | Coming soon | 43.0% | Coming soon |
| SWE-bench Pro | Coming soon | 65.9% | Coming soon |
| Terminal-Bench 2.1 | Coming soon | 78.9% | Coming soon |
| SWE-Atlas Codebase QnA | Coming soon | 32.2% | Coming soon |
| SciCode | Coming soon | 48.3% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Kimi K2 public-lane score: 62.3 (Unranked · 2 rankable rows)
- Beam 1.0 501B-A23B FP8 public-lane score: 85.8 (Unranked · 3 rankable rows)

| Benchmark | Kimi K2 | Beam 1.0 501B-A23B FP8 | Winner |
|-----------|-----------|-----------|--------|
| CritPt | Coming soon | 17.4% | Coming soon |
| LongBench v2 | Coming soon | 67.6% | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Kimi K2 public-lane score: 36.1 (Estimated · #129/184)
- Beam 1.0 501B-A23B FP8 public-lane score: Coming soon

| Benchmark | Kimi K2 | Beam 1.0 501B-A23B FP8 | 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 |
| GPQA-D | Coming soon | 90.3% | Coming soon |
| HLE w/o tools | Coming soon | 36% | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Kimi K2 public-lane score: 48.4 (#96/148)
- Beam 1.0 501B-A23B FP8 public-lane score: 89.8 (#28/148)

| Benchmark | Kimi K2 | Beam 1.0 501B-A23B FP8 | Winner |
|-----------|-----------|-----------|--------|
| IFEval | 89.8% | Coming soon | Coming soon |
| IFBench | Coming soon | 80.7% | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- Kimi K2 public-lane score: 0 (#12/12)
- Beam 1.0 501B-A23B FP8 public-lane score: 87.9 (Unranked · 1 rankable row)

| Benchmark | Kimi K2 | Beam 1.0 501B-A23B FP8 | 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 |
| AIME26 | Coming soon | 98.0% | Coming soon |

## FAQ

### Is there enough evidence to pick between Kimi K2 and Beam 1.0 501B-A23B FP8?

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

- [Kimi K2 vs Beam 1.0 501B-A23B](/compare/kimi-k2-vs-reflection-beam)
- [Beam 1.0 501B-A23B FP8 vs Beam 1.0 501B-A23B](/compare/reflection-beam-vs-reflection-beam-fp8)
- [Kimi K2 vs Beam 1.0 501B-A23B NVFP4](/compare/kimi-k2-vs-reflection-beam-nvfp4)
- [Beam 1.0 501B-A23B FP8 vs Beam 1.0 501B-A23B NVFP4](/compare/reflection-beam-fp8-vs-reflection-beam-nvfp4)

## Explore More

- [Kimi K2 profile](/models/kimi-k2)
- [Beam 1.0 501B-A23B FP8 profile](/models/reflection-beam-fp8)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)