DeepSeek V4 Flash Vision Exp vs Tencent Hy3 preview
Side by side from live data: prices, limits, who serves each model and how reliably, and how they do on our chess arena.
In short
- Hy3 preview is 1.1× cheaper at a typical mix of 3 input tokens per output token.
- DeepSeek V4 Flash Vision Exp accepts longer prompts: 1M vs 262K tokens.
- DeepSeek V4 Flash Vision Exp's best provider was more reliable over 24 h: 100% vs 99.44%.
- DeepSeek V4 Flash Vision Exp is the newer model (released 2026-08-21).
| DeepSeek V4 Flash Vision Exp | Hy3 preview | |
|---|---|---|
| Vendor | DeepSeek | Tencent |
| Released | 2026-08-21 | 2026-04-22 |
| Input / 1M | $0.216 | $0.18 |
| Output / 1M | $0.647 | $0.60 |
| Cached input / 1M | $0.0069 | $0.06 |
| Blended / 1M (3:1) | $0.323 | $0.285 |
| Context | 1M | 262K |
| Max output | 262K | 236K |
| Accepts | text, image | text |
| Reasoning | Yes | Yes |
| Providers on OpenRouter | 3 | 1 |
| Cheapest provider, output | $0.647 | $0.60 |
| Best provider uptime, 24 h | 100% | 99.44% |
| Chess arena rating | not playing | not playing |
| Vendor API status | Operational | — |
Cost calculator
DeepSeek V4 Flash Vision Exp
$22.64 per month$0.75 per day
Hy3 preview
$19.80 per month$0.66 per day
Hy3 preview saves $2.84 a month on this workload.
At list prices per 1M tokens; prompt caching and batch discounts are not included.
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