$ diff kimi-k2-8-preview gpt-image-2-5-flare
Kimi K2.8 Preview vs GPT-Image-2.5 Flare
Values come from Kimi K2.8 Preview and GPT-Image-2.5 Flare, where each is cited to its source. This page states no benchmark result and ranks neither model — it puts two published specifications next to each other. Where a lab has not published a figure, the row says so rather than guessing.
Moonshot AIKimi K2.8 Preview
- context
- 1M
- weights
- closed
- $/M in
- —
- $/M out
- —
- context
- —
- weights
- closed
- $/M in
- $30
- $/M out
- $2
What actually differs
- Recency
- Kimi K2.8 Preview shipped 3 days after GPT-Image-2.5 Flare (2026-09-11 vs 2026-09-08).
Full spec
| Attribute | Kimi K2.8 Preview | GPT-Image-2.5 Flare |
|---|---|---|
| Developer | Moonshot AI | OpenAI |
| Released | 2026-09-11 | 2026-09-08 |
| Context window | 1,000,000 | not recorded |
| Pricing | not recorded | image input $8.00/M tokens ($2.00/M cached) · image output $30.00/M tokens · text input $5.00/M tokens ($1.25/M cached) |
| License | proprietary | proprietary |
| Availability | Kimi API platform, Kimi Code, Kimi Work | OpenAI API |