AI model comparison
DeepSeek V4 Flash 0731 vs Hy3
Pricing, context window, benchmarks, and features compared side by side. Or skip the guesswork and send one prompt to both.
DeepSeek
DeepSeek V4 Flash 0731
DeepSeek V4 Flash 0731 is a sparse mixture-of-experts model from DeepSeek, with 13B active parameters out of 284B total.
- Input / 1M
- $0.00
- Output / 1M
- $1.28
- Context
- 1.05M
Tencent
Hy3
Hy3 is a 295B-parameter Mixture-of-Experts model from Tencent (21B active, 192 experts with top-8 routing) built for reasoning, agentic workflows, and real-world production use.
- Input / 1M
- $0.08
- Output / 1M
- $0.33
- Context
- 262K
At a glance
Quick verdict
How the two models stack up on the things people ask about most.
Lower price
Hy3
2.0x cheaper for a typical chat
Higher intelligence score
DeepSeek V4 Flash 0731
34.3 vs 25.3 on Artificial Analysis
Larger context window
DeepSeek V4 Flash 0731
1.05M vs 262K tokens
Newer release
DeepSeek V4 Flash 0731
Released July 31, 2026
Benchmarks
Benchmark scores
Independent scores from Artificial Analysis. Higher is better.
Intelligence index
DeepSeek V4 Flash 073134.3Coding index
DeepSeek V4 Flash 073169.1Agentic index
DeepSeek V4 Flash 073141Pricing
DeepSeek V4 Flash 0731 vs Hy3 API pricing
Per-token API rates. Cheaper option highlighted.
| Metric | DeepSeek V4 Flash 0731 | |
|---|---|---|
| Input tokensPer 1M tokens | $0.00 | $0.08 |
| Output tokensPer 1M tokens | $1.28 | $0.33 |
| Cached input (read)Per 1M tokens | $0.00 | $0.02 |
| Cache writePer 1M tokens | Not available | Not available |
What it costs in practice
Estimated cost per 1,000 requests at standard rates. Coding and long-document figures also show the cost when the input is already cached.
Chat message
2K in, 500 out
DeepSeek V4 Flash 0731$0.65Coding task
30K in, 4K out
DeepSeek V4 Flash 0731$5.26$5.26 cachedLong document summary
150K in, 2K out
DeepSeek V4 Flash 0731$3.28$3.28 cachedSpecs
Context window and capabilities
How much each model can read, how much it can write, and what it accepts as input.
| Metric | DeepSeek V4 Flash 0731 | |
|---|---|---|
| Context window | 1.05M tokens | 262K tokens |
| Max output | 944K tokens | 128K tokens |
| Input types | Text | Text |
| Output types | Text | Text |
| Reasoning effort levels | Max, High, Low | High, Low, None |
| Default reasoning effort | High | High |
| Release date | July 31, 2026 | July 6, 2026 |
Features
Supported features
API features available for each model.
| Metric | DeepSeek V4 Flash 0731 | |
|---|---|---|
| Tool calling | Supported | Supported |
| Structured outputs | Supported | Supported |
| JSON mode | Supported | Supported |
| Reasoning | Supported | Supported |
| Temperature | Supported | Supported |
| Stop sequences | Supported | Supported |
| Deterministic seed | Supported | Supported |
| Verbosity control | Not supported | Not supported |
Keep exploring
More on these models
Other head-to-heads, the full model page, and the alternatives list for each model.
DeepSeek V4 Flash 0731View full model details- DeepSeek V4 Flash 0731 vs DeepSeek V4.1 Flash
- DeepSeek V4 Flash 0731 vs GLM 5.3 Flash
- DeepSeek V4 Flash 0731 vs MiMo-V2.6-Flash
- DeepSeek V4 Flash 0731 vs Hy4 preview
- DeepSeek V4 Flash 0731 vs GPT-6 Luna
- DeepSeek V4 Flash 0731 vs Claude Opus 5.5
- DeepSeek V4 Flash 0731 vs GLM 5.3
- DeepSeek V4 Flash 0731 vs DeepSeek V4 Flash 0423
- DeepSeek V4 Flash 0731 vs Step 5 Preview
- DeepSeek V4 Flash 0731 vs Gemini 3.8 Flash
- DeepSeek V4 Flash 0731 vs GPT-5.6 Luna
- DeepSeek V4 Flash 0731 vs GPT-6.1 Sol
- DeepSeek V4 Flash 0731 vs GLM 5.2
- DeepSeek V4 Flash 0731 vs Claude Sonnet 5.5
- DeepSeek V4 Flash 0731 vs MiniMax M3
- DeepSeek V4 Flash 0731 vs DeepSeek V4 Pro 0813
- DeepSeek V4 Flash 0731 vs GPT-6 Astra
- DeepSeek V4 Flash 0731 vs Claude Opus 5
- DeepSeek V4 Flash 0731 vs Claude Fable 5.1
- DeepSeek V4 Flash 0731 vs DeepSeek V4 Pro 0423
- DeepSeek V4 Flash 0731 vs Solar Pro 4
- DeepSeek V4 Flash 0731 vs Claude Haiku 5.5
- DeepSeek V4 Flash 0731 vs Qwen3.8 27B
- DeepSeek V4 Flash 0731 vs GLM 5.3 FlashX
- DeepSeek V4 Flash 0731 vs DeepSeek V4 Flash Vision Exp
- DeepSeek V4 Flash 0731 vs Gemini 3.6 Flash
- DeepSeek V4 Flash 0731 vs Muse Spark 1.1
- DeepSeek V4 Flash 0731 vs Gemini 3.5 Flash
- DeepSeek V4 Flash 0731 vs GPT-5.6 Luna Pro
- DeepSeek V4 Flash 0731 vs Qwen3.7 Max
- DeepSeek V4 Flash 0731 vs GLM 5
- Hy3 vs DeepSeek V4.1 Flash
- Hy3 vs GLM 5.3 Flash
- Hy3 vs MiMo-V2.6-Flash
- Hy3 vs Hy4 preview
- Hy3 vs GPT-6 Luna
- Hy3 vs Claude Opus 5.5
- Hy3 vs GLM 5.3
- Hy3 vs DeepSeek V4 Flash 0423
- Hy3 vs Step 5 Preview
- Hy3 vs Gemini 3.8 Flash
- Hy3 vs Muse Spark 1.3 Contributor
- Hy3 vs MiniMax M3
- Hy3 vs Solar Mini 4
- Hy3 vs MiMo-V2.5
- Hy3 vs DeepSeek V4 Pro 0423
- Hy3 vs Solar Pro 4
- Hy3 vs GPT-6 Luna Pro
- Hy3 vs Qwen3.8 Flash
- Hy3 vs Qwen3.7 Flash
- Hy3 vs Gemma 4 26B A4B
- Hy3 vs DeepSeek V3.2
- Hy3 vs MiMo-V2.5-Pro
- Hy3 vs Ling 3.0 Flash
- Hy3 vs Qwen3.7 Plus
- Hy3 vs MiniMax M2.7
- Hy3 vs Ling 3.0 Flash VL
- Hy3 vs Inkling Small
- Hy3 vs MiniMax M2.5
- Hy3 vs Ling 3.0 Flash Fin
- Hy3 vs Step 3.5 Flash
Our take
Hy3 is 2.0x cheaper for a typical chat. DeepSeek V4 Flash 0731 scores higher on the Artificial Analysis Intelligence Index (34.3 vs 25.3). DeepSeek V4 Flash 0731 has the larger context window (1.05M vs 262K tokens). The right pick depends on your workload, so the quickest way to settle it is to send the same prompt to both and compare.
FAQ
Frequently asked questions
Is DeepSeek V4 Flash 0731 or Hy3 cheaper?
Hy3 is cheaper for a typical chat (2K input tokens and 500 output tokens). Hy3 costs $0.08 per 1M input tokens and $0.33 per 1M output tokens, while DeepSeek V4 Flash 0731 costs $0.00 per 1M input tokens and $1.28 per 1M output tokens.
Which has a bigger context window, DeepSeek V4 Flash 0731 or Hy3?
DeepSeek V4 Flash 0731 supports up to 1.05M tokens of context, compared with 262K for Hy3.
Is DeepSeek V4 Flash 0731 smarter than Hy3?
On the Artificial Analysis Intelligence Index, DeepSeek V4 Flash 0731 scores 34.3 and Hy3 scores 25.3, putting DeepSeek V4 Flash 0731 ahead. Benchmarks don't capture everything, so the best test is running your own prompts through both.
Can I use DeepSeek V4 Flash 0731 and Hy3 at the same time?
Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see DeepSeek V4 Flash 0731 and Hy3 answer side by side and keep the better response.
Why choose? Ask both.
Send one prompt to DeepSeek V4 Flash 0731 and Hy3 at the same time. Compare the answers side by side and keep the best one.