# A.X K2 vs MAI-Thinking-1

> Side-by-side benchmark comparison for A.X K2 and MAI-Thinking-1 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/a-x-k2-vs-mai-thinking-1
- Last updated: September 10, 2026

- Shared sourced benchmarks: 4
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Pick MAI-Thinking-1 if you want the stronger benchmark profile. A.X K2 only makes more sense when its price, context window, or workload-specific category wins matter more than the overall score.

## Summary

- MAI-Thinking-1 leads overall 52 to 49.
- The biggest single benchmark swing is IFBench in Instruction Following, with scores of 75.9% and 85%.
- A.X K2 also has the larger context window at 262K.

## Model Snapshot

| Property | A.X K2 | MAI-Thinking-1 |
|----------|----------|----------|
| Creator | SK Telecom | Microsoft |
| Type | Open Weight | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 262K | 256K |
| Overall Score | null | 52 |
| Benchmarks Covered | 10 | 14 |
| Pricing (input/output) | $0.00 / $0.00 | N/A |

## Category Breakdown

### Agentic

- Winner: Coming soon
- A.X K2 public-lane score: Coming soon
- MAI-Thinking-1 public-lane score: 50.3 (Estimated · #50/152)

| Benchmark | A.X K2 | MAI-Thinking-1 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.1 | 36.0% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | Coming soon | 46% | Coming soon |

### Coding

- Winner: Coming soon
- A.X K2 public-lane score: Coming soon
- MAI-Thinking-1 public-lane score: 50.4 (Estimated · #57/151)

| Benchmark | A.X K2 | MAI-Thinking-1 | Winner |
|-----------|-----------|-----------|--------|
| LiveCodeBench v6 | 84.0% | 87.7% | MAI-Thinking-1 |
| SciCode | 41% | Coming soon | Coming soon |
| Terminal-Bench 2.1 | 36.0% | Coming soon | Coming soon |
| SWE-bench Verified | Coming soon | 73.5% | Coming soon |
| SWE-bench Pro | Coming soon | 52.8% | Coming soon |
| Terminal-Bench 2.0 | Coming soon | 46.0% | Coming soon |

### Reasoning

- Winner: Coming soon
- A.X K2 public-lane score: Coming soon
- MAI-Thinking-1 public-lane score: Coming soon

| Benchmark | A.X K2 | MAI-Thinking-1 | Winner |
|-----------|-----------|-----------|--------|
| Graphwalks BFS 128K | Coming soon | 90% | Coming soon |

### Knowledge

- Winner: Coming soon
- A.X K2 public-lane score: Coming soon
- MAI-Thinking-1 public-lane score: 52.3 (Estimated · #66/183)

| Benchmark | A.X K2 | MAI-Thinking-1 | Winner |
|-----------|-----------|-----------|--------|
| HLE | 27.8% | Coming soon | Coming soon |
| GPQA-D | 85.6% | 84.2% | A.X K2 |
| GPQA | Coming soon | 84.2% | Coming soon |
| MMLU-Pro | Coming soon | 85% | Coming soon |
| SimpleQA | Coming soon | 31% | Coming soon |

### Instruction Following

- Winner: Coming soon
- A.X K2 public-lane score: Coming soon
- MAI-Thinking-1 public-lane score: 94.7 (#1/123)

| Benchmark | A.X K2 | MAI-Thinking-1 | Winner |
|-----------|-----------|-----------|--------|
| IFBench | 75.9% | 85% | MAI-Thinking-1 |

### Mathematics

- Winner: Coming soon
- A.X K2 public-lane score: Coming soon
- MAI-Thinking-1 public-lane score: 73.4 (Unranked · 3 rankable rows)

| Benchmark | A.X K2 | MAI-Thinking-1 | Winner |
|-----------|-----------|-----------|--------|
| AIME26 | 97.1% | 94.5% | A.X K2 |
| Apex | 45.8% | Coming soon | Coming soon |
| Apex Shortlist | 88.6% | Coming soon | Coming soon |
| AIME 2025 | Coming soon | 97% | Coming soon |
| HMMT Feb 2026 | Coming soon | 84.9% | Coming soon |

## FAQ

### Which is better overall, A.X K2 or MAI-Thinking-1?

MAI-Thinking-1 is ahead overall on BenchLM right now.

### How many benchmarks does A.X K2 cover on BenchLM?

A.X K2 currently has 10 sourced benchmark scores on BenchLM.

### How many benchmarks does MAI-Thinking-1 cover on BenchLM?

MAI-Thinking-1 currently has 14 sourced benchmark scores on BenchLM.

## Related Comparisons

- [A.X K2 vs A.X series](/compare/a-x-k2-vs-skt-ax)
- [MAI-Thinking-1 vs A.X series](/compare/mai-thinking-1-vs-skt-ax)
- [A.X K2 vs Claude Fable 5.1](/compare/a-x-k2-vs-claude-fable-5-1)
- [MAI-Thinking-1 vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-mai-thinking-1)

## Explore More

- [A.X K2 profile](/models/a-x-k2)
- [MAI-Thinking-1 profile](/models/mai-thinking-1)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)