Model comparison
Claude Instant vs Kimi K2.6
Kimi K2.6 has enough public results to be ranked (#60); Claude Instant does not yet, so treat this comparison as directional.
Last verified . 2 shared benchmarks.
Summary
- They share 2 benchmarks with published results for both. Claude Instant scores higher in 0 categories and Kimi K2.6 in 1 category; one gap is clear of the uncertainty.
- The widest gap is in reasoning, where Kimi K2.6 leads 40.5 to 19.6.
- The biggest single-benchmark swing is DTBench: 45.8% for Claude Instant and 90.9% for Kimi K2.6.
- Kimi K2.6 has downloadable open weights; the other is API-only.
Side by side
| Claude Instant | Kimi K2.6 | |
|---|---|---|
| Provider | Anthropic | Moonshot AI |
| Noometry Index | 29.5 | 47.7 |
| Released | 2023-08-09 | 2026-04-20 |
| Weights | Proprietary | Open |
| Context window | — | 262K |
| Max output | — | 262K |
| Input $ / M tokens | — | $0.95 |
| Output $ / M tokens | — | $4 |
| Results tracked | 7 | 51 |
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Category by category
Coding Not comparable
Claude Instant: —, Kimi K2.6: 50.7 (#43)
| Benchmark | Claude Instant | Kimi K2.6 |
|---|---|---|
| SWE-bench Verified | — | 76.7% |
| LMArena WebDev | — | 1509 |
| SciCode | — | 53.5% |
| WeirdML | — | 55.9% |
| LMArena Coding | — | 1488 |
| ALE-Bench | — | 1,093 |
| HumanEval+ | 50.6% | — |
Agentic & Tool Use Not comparable
Claude Instant: —, Kimi K2.6: 21.9 (#137)
| Benchmark | Claude Instant | Kimi K2.6 |
|---|---|---|
| OSWorld 2.0 | — | 4.6% |
| ExploitBench | — | 18.4% |
| GBAEval | — | 0.9% |
| GDP.pdf | — | 12% |
| Vending-Bench 2 | — | 6,205 |
Reasoning Kimi K2.6 leads
Claude Instant: 19.6, Kimi K2.6: 40.5 (#55)
| Benchmark | Claude Instant | Kimi K2.6 |
|---|---|---|
| DTBench | 45.8% | 90.9% |
| Epoch Capabilities Index | 120.28 | 151.05 |
| NYT Connections (extended) | — | 87.2% |
| CritPt | — | 8% |
| Chess Puzzles | — | 26% |
| EBR-Bench | — | 2.4% |
| LMArena Hard Prompts | — | 1470 |
| Mystery Game Puzzles | — | 18% |
| LMCA | — | 37.3% |
Math Not comparable
Claude Instant: —, Kimi K2.6: 57.0 (#41)
| Benchmark | Claude Instant | Kimi K2.6 |
|---|---|---|
| FrontierMath (Tiers 1-3) | — | 57.2% |
| FrontierMath Tier 4 | — | 25.6% |
| MathArena Final-Answer Competitions | — | 72.9% |
| OTIS Mock AIME 2024-2025 | — | 96.1% |
| ProofBench | — | 16% |
| LMArena Math | — | 1475 |
| FrontierMath (Feb 2025 set) | — | 39% |
| FrontierMath Tier 4 (v1) | — | 14.6% |
| GSM8K | 86.7% | — |
Knowledge Not comparable
Claude Instant: —, Kimi K2.6: 54.0 (#54)
| Benchmark | Claude Instant | Kimi K2.6 |
|---|---|---|
| GPQA Diamond | — | 90.8% |
| SimpleQA Verified | — | 34.9% |
| Vectara Hallucination Rate | — | 10.8% |
| LMArena Expert | — | 1491 |
| ARC (AI2) Challenge | 86.3% | — |
| MMLU | 73.4% | — |
| TriviaQA | 78.9% | — |
Multimodal Not comparable
Claude Instant: —, Kimi K2.6: 31.6 (#103)
| Benchmark | Claude Instant | Kimi K2.6 |
|---|---|---|
| LMArena Vision | — | 1283 |
| Blueprint-Bench 2 | — | 3.9% |
| Furniture Assembly | — | 21.7% |
| LMArena Document | — | 1451 |
Multilingual Not comparable
Claude Instant: —, Kimi K2.6: 54.9 (#37)
| Benchmark | Claude Instant | Kimi K2.6 |
|---|---|---|
| LMArena Non-English | — | 1446 |
| LMArena Chinese | — | 1521 |
| LMArena French | — | 1471 |
| LMArena German | — | 1450 |
| LMArena Japanese | — | 1443 |
| LMArena Korean | — | 1427 |
| LMArena Russian | — | 1446 |
| LMArena Spanish | — | 1464 |
Instruction Following Not comparable
Claude Instant: —, Kimi K2.6: 76.3 (#43)
| Benchmark | Claude Instant | Kimi K2.6 |
|---|---|---|
| LMArena Instruction Following | — | 1451 |
Long Context Not comparable
Claude Instant: —, Kimi K2.6: 44.9 (#52)
| Benchmark | Claude Instant | Kimi K2.6 |
|---|---|---|
| LMArena Longer Query | — | 1468 |
Writing & Preference Not comparable
Claude Instant: —, Kimi K2.6: 68.5 (#26)
| Benchmark | Claude Instant | Kimi K2.6 |
|---|---|---|
| LMArena Text | — | 1455 |
| LMArena Creative Writing | — | 1434 |
| EQ-Bench Creative Writing | — | 1725 |
| EQ-Bench 4 | — | 1202 |
| LMArena Multi-Turn | — | 1453 |
Frequently asked questions
Is Claude Instant better than Kimi K2.6?
Kimi K2.6 has enough public results to be ranked (#60); Claude Instant does not yet, so treat this comparison as directional.
How many benchmarks do Claude Instant and Kimi K2.6 share?
2 benchmarks have published results for both models. Claude Instant has 7 scored results on Noometry and Kimi K2.6 has 51.