Gemini 3.1 Pro Preview vs Kimi K3
Gemini 3.1 Pro Preview is ~20% cheaper than Kimi K3 on output tokens. Both are capability tier 7.
| Gemini 3.1 Pro Preview | Kimi K3 | |
|---|---|---|
| Vendor | Moonshot | |
| Capability tier | 7/8 | 7/8 |
| Size class | FLAGSHIP | FLAGSHIP |
| Parameters | — | 2,800B |
| Context window | 1,048,576 | 1,048,576 |
| Input $/M | $2 | $3 |
| Output $/M | $12 ✓ | $15 |
| Cached input $/M | $0.20 | $0.30 |
Which should you choose?
Both sit at capability tier 7, so Gemini 3.1 Pro Preview is usually the better value at ~20% lower output cost. Because they're the same tier, benchmark both on your own prompts before committing — list price rarely predicts task quality.
FAQ
Is Gemini 3.1 Pro Preview cheaper than Kimi K3?
Gemini 3.1 Pro Preview is the cheaper of the two on output tokens ($12/M vs $15/M), about 20% less.
Gemini 3.1 Pro Preview vs Kimi K3: which has a bigger context window?
Both list the same context window (1,048,576 tokens).
Which is more capable, Gemini 3.1 Pro Preview or Kimi K3?
Both sit at the same capability tier (7/8) — pick on price, context, or benchmark them on your prompts.
Gemini 3.1 Pro Preview or Kimi K3: which should I use?
Both sit at capability tier 7, so Gemini 3.1 Pro Preview is usually the better value at ~20% lower output cost. Because they're the same tier, benchmark both on your own prompts before committing — list price rarely predicts task quality.
How much more does Gemini 3.1 Pro Preview cost than Kimi K3?
At 10M input + 10M output tokens per month, Gemini 3.1 Pro Preview runs about $140.00 and Kimi K3 about $180.00 — a difference of $40.00 per month at that volume.
Settle it on your own prompts
List prices only go so far — benchmark Gemini 3.1 Pro Preview and Kimi K3 on your actual workload for measured cost, latency and quality.
Pricing and specs maintained by Mintok's catalog watchers from public sources. Not investment advice. Methodology.