GPT-6.1 Sol vs Kimi K3
OpenAI vs Alibaba Cloud Model Studio · prices and specs, line by line
GPT-6.1 Sol (OpenAI) vs Kimi K3 (Alibaba Cloud Model Studio), side by side: input/output/cache-hit prices, time-based pricing, context window, modalities and a fixed-assumption monthly cost. Green marks the better row.
| Dimension | GPT-6.1 Sol | Kimi K3 |
|---|---|---|
| Vendor / channel | OpenAI | Alibaba Cloud Model Studio |
| Context window | 1050K | 1024K |
| Modalities | Text, Image understanding | Text, Image understanding |
| Features | Complex coding, Agentic tasks | Ultra-long context, Long-document parsing |
| Input (cache miss) | Input ≤272K $2 Input >272K (long context) not published | ¥20 |
| Output | Input ≤272K $10 Input >272K (long context) not published | ¥100 |
| Cache hit | Input ≤272K $0.1 Input >272K (long context) not published | ¥2 |
| Time-based pricing | ||
| Est. monthly cost* | $32.58 |
¥327.60 |
| Price source | OpenAI API pricing | Alibaba Cloud Model Studio — Kimi K3 model page |
| Verified | 2026-10-28 | 2026-10-28 |
* Fixed assumptions for the example monthly cost: 100 calls/day · 2,000 input / 800 output tokens per call · off-peak rates · 30% cache hit rate · 30-day month — the same formula and defaults as the cost calculator. USD models are converted to CNY at the reference rate for comparison (see summary). Costs within display precision are marked tied; neither side is favored.
Comparison summary (fixed usage basis)
- Estimated monthly cost: GPT-6.1 Sol ¥218.87 vs Kimi K3 ¥327.60 on a common CNY basis (list prices $32.58 / ¥327.60) — at this fixed usage, GPT-6.1 Sol is cheaper by ¥108.73/month.
- Cost ratio: under this basis, Kimi K3 costs about 1.5× GPT-6.1 Sol (GPT-6.1 Sol is ~33% cheaper). The ratio holds only at the current list prices, reference rate and fixed usage assumptions; it says nothing about capability, output quality or overall value.
- Input unit price (off-peak / single-price basis): list prices $2 vs ¥20; after conversion GPT-6.1 Sol is lower (by ≈ ¥6.56/1M tokens).
- Output unit price (off-peak / single-price basis): list prices $10 vs ¥100; after conversion GPT-6.1 Sol is lower (by ≈ ¥32.82/1M tokens).
- Cache-hit price (off-peak basis): GPT-6.1 Sol $0.1; Kimi K3 ¥2.
- Currencies: GPT-6.1 Sol is billed in USD, Kimi K3 in CNY; conversion uses the CFETS central parity rate (see above) and is indicative only.
- Context window: GPT-6.1 Sol 1050K vs Kimi K3 1024K — GPT-6.1 Sol is 1.0× Kimi K3.
- Modalities: identical — Text, Image understanding.
- Price sources: OpenAI API pricing (verified 2026-10-28), Alibaba Cloud Model Studio — Kimi K3 model page (verified 2026-10-28); unit: official list price per 1M tokens (GPT-6.1 Sol in USD, Kimi K3 in CNY; cross-currency figures converted to CNY as noted above).
These are computations from published list prices under fixed call volume, token usage, cache assumptions and billing rules. They are not rankings of capability, output quality or overall value, and do not constitute purchase advice.