Side by side · USD
| Metric | Kimi K3 | GPT-6 Astra |
|---|---|---|
| Input / 1M tokens | $2.98 | $10.00 |
| Output / 1M tokens | $14.90 | $50.00 |
| Cache / 1M tokens | $0.30 | $1.00 |
| Context window | 1.0M | 1.1M |
| Max output | 1.0M | 128K |
| Modality | Text, Image, Video | Text, Image |
| Capabilities | Function calling, Structured output, Reasoning, File input | Function calling, Structured output, Reasoning, Web search, File input |
| Released | 2026-07-16 | 2026-09-04 |
The highlighted column is better on that metric (lower price / larger context).
Kimi K3 · cheapest access
GPT-6 Astra · cheapest access
Other comparisons
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