Kimi K3vsGPT-5.6 Sol
Across 21 shared benchmarks, GPT-5.6 Sol leads overall: Kimi K3 wins 5, GPT-5.6 Sol wins 16, with 0 ties and an average score difference of +0.51.
Kimi K3
Moonshot AI · 2026-07-16 · Reasoning model
GPT-5.6 Sol
OpenAI · 2026-06-26 · Reasoning model
Kimi K35 wins(24%)(76%)16 winsGPT-5.6 Sol
Benchmark scores
Grouped by capability, sorted by largest gap within each. 21 shared benchmarks.
Productivity Knowledge
Kimi K3 3/5| Benchmark | Kimi K3 | GPT-5.6 Sol | Diff |
|---|---|---|---|
| Harvey Lab-AA | 94.601 / 6Max (With Tools) | 2.506 / 6Max (With Tools) | +92.10 |
| GDPval-AA v2 | 1,68610 / 27Max (With Tools) | 1,7289 / 27Max (With Tools) | -42 |
| AA-Briefcase | 1,5288 / 20Max (With Tools) | 1,4949 / 20Max (With Tools) | +34.28 |
| AA-AnalystAgent | 38.757 / 12Max (With Tools + Internet) | 47.505 / 12Max (With Tools + Internet) | -8.75 |
| AutomationBench | 46.707 / 17Max (With Tools) | 45.808 / 17Max (With Tools) | +0.90 |
AI Agent - Tool Usage
GPT-5.6 Sol 4/4| Benchmark | Kimi K3 | GPT-5.6 Sol | Diff |
|---|---|---|---|
| Terminal-Bench 4.0 | 12.6017 / 20Max (With Tools) | 39.909 / 20Max (With Tools) | -27.30 |
| Terminal-Bench 3.0 | 17.708 / 11Max (With Tools) | 34.402 / 11Max (With Tools) | -16.70 |
| Terminal-Bench-Science 0.1 | 7.109 / 11Max (With Tools) | 22.404 / 11Max (With Tools) | -15.30 |
| CyberGym | 805 / 8Max (With Tools) | 84.502 / 8Max (With Tools) | -4.50 |
Coding and Software Engineer
GPT-5.6 Sol 2/3| Benchmark | Kimi K3 | GPT-5.6 Sol | Diff |
|---|---|---|---|
| DeepSWE | 67.5011 / 38Max (With Tools) | 736 / 38Max (With Tools) | -5.50 |
| Program Bench | 17.5010 / 11Max (With Tools) | 237 / 11Max (With Tools) | -5.50 |
| NL2Repo-Bench | 586 / 16Max (With Tools) | 56.809 / 16Max (With Tools) | +1.20 |
Multimodal Understanding
GPT-5.6 Sol 3/3| Benchmark | Kimi K3 | GPT-5.6 Sol | Diff |
|---|---|---|---|
| ZeroBench Main | 414 / 6Max (With Tools) | 531 / 6Max (With Tools) | -12 |
| Chartography | 68.106 / 8Max (With Tools) | 79.903 / 8Max (With Tools) | -11.80 |
| BabyVision | 85.705 / 9Max (With Tools) | 88.904 / 9Max (With Tools) | -3.20 |
Agent Level Benchmark
GPT-5.6 Sol 2/2| Benchmark | Kimi K3 | GPT-5.6 Sol | Diff |
|---|---|---|---|
| APEX-Agents | 415 / 6Max (With Tools) | 56.703 / 6Max (With Tools) | -15.70 |
| τ³-Banking | 33.406 / 13Max (With Tools) | 44.331 / 13Max (With Tools) | -10.93 |
Long Context
GPT-5.6 Sol 1/1| Benchmark | Kimi K3 | GPT-5.6 Sol | Diff |
|---|---|---|---|
| AA-LCR | 74.708 / 29Max (No Tools) | 77.674 / 29Max (No Tools) | -2.97 |
Math and Reasoning
GPT-5.6 Sol 1/1| Benchmark | Kimi K3 | GPT-5.6 Sol | Diff |
|---|---|---|---|
| FrontierMath v2 | 72.1813 / 58Max (No Tools) | 89.121 / 58Max (No Tools) | -16.94 |
Text Embedding
GPT-5.6 Sol 1/1| Benchmark | Kimi K3 | GPT-5.6 Sol | Diff |
|---|---|---|---|
| Context Arena | 71.7559 / 126Max (No Tools) | 97.632 / 126Max (No Tools) | -25.88 |
Writing and Creative Capabilities
Kimi K3 1/1| Benchmark | Kimi K3 | GPT-5.6 Sol | Diff |
|---|---|---|---|
| Creative Writing | 2,0714 / 106Normal (No Tools) | 1,9636 / 106Normal (No Tools) | +107.20 |
Specs
| Field | Kimi K3 | GPT-5.6 Sol |
|---|---|---|
| Publisher | Moonshot AI | OpenAI |
| Release date | 2026-07-16 | 2026-06-26 |
| Model type | Reasoning model | Reasoning model |
| Architecture | MoE | Dense |
| Parameters | 2.8T | Not available |
| Context length | 1M | 1.05M |
| Max output | 1M | 128K |
API pricing
Prices use DataLearner records when available; missing fields are not inferred.
| Item | Kimi K3 | GPT-5.6 Sol |
|---|---|---|
| Text input | ¥20 / 1M tokens | $4 / 1M tokens |
| Text output | ¥100 / 1M tokens | $20 / 1M tokens |
| Cache read | ¥2 / 1M tokens | $0.4 / 1M tokens |
| Cache write | Not public | $5 / 1M tokens |
Summary
- Kimi K3leads in:Productivity Knowledge (3/5), Writing and Creative Capabilities (1/1)
- GPT-5.6 Solleads in:AI Agent - Tool Usage (4/4), Coding and Software Engineer (2/3), Multimodal Understanding (3/3), Agent Level Benchmark (2/2), Long Context (1/1), Math and Reasoning (1/1), Text Embedding (1/1)
On average across the 21 shared benchmarks, Kimi K3 scores 0.51 higher.
Largest single-benchmark gap: Creative Writing — Kimi K3 2,071 vs GPT-5.6 Sol 1,963 (+107.20).
Page generated from structured model, pricing and benchmark records. No real-time LLM is used to write the prose.