GPT Image 2.6 Sunburst vs Kimi K3.1 Pro
Price, context window & benchmark comparison
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Verdict: Kimi K3.1 Pro has the larger context window (1M vs —).
| GPT Image 2.6 Sunburst | Kimi K3.1 Pro | |
|---|---|---|
| Input price / 1M | $5.00 | $2.00 |
| Output price / 1M | — | $10.00 |
| Blended price (3:1) | — | $4.00 |
| Cached input / 1M | $1.25 | $0.20 |
| Context window | — | 1M |
| Max output | — | 944K |
| Intelligence index | — | 46.5 |
| Coding index | — | — |
| Providers | — | 23 |
| Best provider uptime (30m) | — | 100.0% |
| Vision input | Yes | Yes |
| Reasoning | No | Yes |
| Tool calling | No | Yes |
| Released | 2026-11-04 | 2026-10-23 |
| Retirement | — | — |
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FAQ
Which is cheaper, GPT Image 2.6 Sunburst or Kimi K3.1 Pro?
GPT Image 2.6 Sunburst and Kimi K3.1 Pro are priced identically.
GPT Image 2.6 Sunburst vs Kimi K3.1 Pro: which has a bigger context window?
GPT Image 2.6 Sunburst: — tokens. Kimi K3.1 Pro: 1,048,576 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: GPT Image 2.6 Sunburst ≈ $10,000, Kimi K3.1 Pro ≈ $9,000.
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