GPT-5.6 Terra vs Kimi K2.6
Price, context and benchmark scores side by side — every number from the live model catalogue.
| GPT-5.6 Terraopenai | Kimi K2.6moonshotai | |
|---|---|---|
| Input / 1M tokens | $1.25 | $0.600 |
| Output / 1M tokens | $7.50 | $2.72 |
| 1M in + 300K out | $3.50 | $1.42 |
| Context window | 1.1M | 262K |
| Intelligence index | 55.0 | 44.2 |
| Coding index | 76.7 | 61.8 |
| Agentic index | 47.4 | 30.3 |
| Cheapest provider | OpenAI | Baidu |
| Providers serving it | 2 | 21 |
| Weights | Closed | Open |
| Image input | Yes | Yes |
| Tool calling | Yes | Yes |
| Reasoning mode | Yes | Yes |
| Released | Jul 9, 2026 | Apr 20, 2026 |
Which one to pick
Pick GPT-5.6 Terra if…
- You want the higher general-intelligence score (55.0).
- Code quality is the priority — it leads on the coding index (76.7).
- You are running agent loops — higher agentic index (47.4).
- You need the bigger context window (1.1M).
Pick Kimi K2.6 if…
- Token cost matters: $2.72 per 1M output vs $7.50.
- You want the option to self-host — weights are public.
- You want provider redundancy: 21 providers serve it.
FAQ
Is GPT-5.6 Terra better than Kimi K2.6?
GPT-5.6 Terra scores higher on general intelligence (55.0 vs 44.2), while Kimi K2.6 is 2.8× cheaper per output token ($2.72 vs $7.50). For code, GPT-5.6 Terra leads (76.7 coding index). GPT-5.6 Terra takes the larger context at 1.1M.
Which is cheaper, GPT-5.6 Terra or Kimi K2.6?
Kimi K2.6, at $2.72 per 1M output tokens versus $7.50. On a 1M input + 300K output workload that is $1.42 against $3.50.
Can I self-host GPT-5.6 Terra or Kimi K2.6?
GPT-5.6 Terra: closed weights, API only. Kimi K2.6: open weights (moonshotai/Kimi-K2.6).