GPT-5 Image Mini vs Kimi K3.1 Pro
Price, context window & benchmark comparison
VS
Compare different models
Verdict: GPT-5 Image Mini is 41% cheaper than Kimi K3.1 Pro on a typical 3:1 input/output mix. Kimi K3.1 Pro has the larger context window (1M vs 400K).
| GPT-5 Image Mini | Kimi K3.1 Pro | |
|---|---|---|
| Input price / 1M | $2.50 | $2.00 |
| Output price / 1M | $2.00 | $10.00 |
| Blended price (3:1) | $2.38 | $4.00 |
| Cached input / 1M | $0.25 | $0.20 |
| Context window | 400K | 1M |
| Max output | 128K | 944K |
| Intelligence index | — | 46.5 |
| Coding index | — | — |
| Providers | — | 23 |
| Best provider uptime (30m) | — | 100.0% |
| Vision input | Yes | Yes |
| Reasoning | Yes | Yes |
| Tool calling | No | Yes |
| Released | 2025-10-16 | 2026-10-23 |
| Retirement | 2026-12-01 | — |
Cost calculator
FAQ
Which is cheaper, GPT-5 Image Mini or Kimi K3.1 Pro?
GPT-5 Image Mini is 41% cheaper than Kimi K3.1 Pro on a typical 3:1 input/output mix.
GPT-5 Image Mini vs Kimi K3.1 Pro: which has a bigger context window?
GPT-5 Image Mini: 400,000 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-5 Image Mini ≈ $6,000, Kimi K3.1 Pro ≈ $9,000.
More comparisons
GPT-5 Image Mini vs Gemini 4 CarbonGPT-5 Image Mini vs Claude Fable 5.2GPT-5 Image Mini vs Gemini Omni 1.2 FlashGPT-5 Image Mini vs Gemini Omni 1.1 FlashGPT-5 Image Mini vs Hy4GPT-5 Image Mini vs GLM 5.3 FlashX LegalGPT-5 Image Mini vs GPT-6.1 TerraGPT-5 Image Mini vs GPT-6.1 Terra ProGPT-5 Image Mini vs MiniMax M3.1 FlashGPT-5 Image Mini vs DeepSeek V4.1 Flash 1017GPT-5 Image Mini vs Nemotron 3.5 Super VLGPT-5 Image Mini vs Gemini 4 ArgonGPT-5 Image Mini vs Claude Haiku 5.5GPT-5 Image Mini vs Nano Banana 2.1GPT-5 Image Mini vs Mistral Large 4GPT-5 Image Mini vs GPT-6.1 Sol ProKimi K3.1 Pro vs Gemini 4 CarbonKimi K3.1 Pro vs Claude Fable 5.2Kimi K3.1 Pro vs Gemini Omni 1.2 FlashKimi K3.1 Pro vs Gemini Omni 1.1 FlashKimi K3.1 Pro vs Hy4Kimi K3.1 Pro vs GLM 5.3 FlashX LegalKimi K3.1 Pro vs GPT-6.1 TerraKimi K3.1 Pro vs GPT-6.1 Terra Pro