AI model comparison
Ling 3.1 Flash vs DeepSeek V4 Flash 0731
Pricing, context window, benchmarks, and features compared side by side. Or skip the guesswork and send one prompt to both.
inclusionAI
Ling 3.1 Flash
Ling 3.1 Flash is a hybrid reasoning mixture-of-experts model from inclusionAI, with 25B active parameters out of 560B total.
- Input / 1M
- $0.08
- Output / 1M
- $0.22
- Context
- 262K
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
- $0.02
- Output / 1M
- $0.64
- Context
- 1.05M
At a glance
Quick verdict
How the two models stack up on the things people ask about most.
Lower price
Ling 3.1 Flash
1.3x cheaper for a typical chat
Higher intelligence score
Ling 3.1 Flash
41.1 vs 34.3 on Artificial Analysis
Larger context window
DeepSeek V4 Flash 0731
1.05M vs 262K tokens
Newer release
Ling 3.1 Flash
Released October 2, 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
Ling 3.1 Flash vs DeepSeek V4 Flash 0731 API pricing
Per-token API rates. Cheaper option highlighted.
| Metric | DeepSeek V4 Flash 0731 | |
|---|---|---|
| Input tokensPer 1M tokens | $0.08 | $0.02 |
| Output tokensPer 1M tokens | $0.22 | $0.64 |
| Cached input (read)Per 1M tokens | $0.02 | $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$0.35Coding task
30K in, 4K out
DeepSeek V4 Flash 0731$3.04$3.04 cachedLong document summary
150K in, 2K out
DeepSeek V4 Flash 0731$3.68$3.68 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 | 262K tokens | 1.05M tokens |
| Max output | 236K tokens | 944K tokens |
| Input types | Text | Text |
| Output types | Text | Text |
| Reasoning effort levels | Not available | Max, High, Low |
| Default reasoning effort | Not available | High |
| Release date | October 2, 2026 | July 31, 2026 |
Features
Supported features
API features available for each model.
| Metric | DeepSeek V4 Flash 0731 | |
|---|---|---|
| Tool calling | Supported | Supported |
| Structured outputs | Not supported | Supported |
| JSON mode | Not 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.
- Ling 3.1 Flash vs MiMo-V2.6-Pro
- Ling 3.1 Flash vs DeepSeek V4.1 Flash
- Ling 3.1 Flash vs GLM 5.3 Flash
- Ling 3.1 Flash vs MiMo-V2.6-Flash
- Ling 3.1 Flash vs Claude Haiku 5.5
- Ling 3.1 Flash vs GPT-6 Luna
- Ling 3.1 Flash vs Gemini 3.8 Flash
- Ling 3.1 Flash vs Muse Spark 1.3 Contributor
- Ling 3.1 Flash vs GPT-5.6 Luna
DeepSeek V4 Flash 0731View full model details- DeepSeek V4 Flash 0731 vs DeepSeek V4.1 Flash
- DeepSeek V4 Flash 0731 vs Step 5 Preview
- 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 Hy3
- DeepSeek V4 Flash 0731 vs DeepSeek V4 Flash 0423
- DeepSeek V4 Flash 0731 vs Muse Spark 1.3 Contributor
- DeepSeek V4 Flash 0731 vs GPT-5.6 Luna
- DeepSeek V4 Flash 0731 vs Claude Haiku 5.5
- DeepSeek V4 Flash 0731 vs MiniMax M3
- DeepSeek V4 Flash 0731 vs GLM 5.2
- DeepSeek V4 Flash 0731 vs DeepSeek V4 Pro 0813
- DeepSeek V4 Flash 0731 vs Solar Pro 4
- DeepSeek V4 Flash 0731 vs DeepSeek V4 Pro 0423
- DeepSeek V4 Flash 0731 vs Qwen3.8 Flash
- DeepSeek V4 Flash 0731 vs Qwen3.8 27B
- DeepSeek V4 Flash 0731 vs GPT-6 Luna Pro
- 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 GPT-5.6 Luna Pro
Our take
Ling 3.1 Flash is 1.3x cheaper for a typical chat. Ling 3.1 Flash scores higher on the Artificial Analysis Intelligence Index (41.1 vs 34.3). 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 Ling 3.1 Flash or DeepSeek V4 Flash 0731 cheaper?
Ling 3.1 Flash is cheaper for a typical chat (2K input tokens and 500 output tokens). Ling 3.1 Flash costs $0.08 per 1M input tokens and $0.22 per 1M output tokens, while DeepSeek V4 Flash 0731 costs $0.02 per 1M input tokens and $0.64 per 1M output tokens.
Which has a bigger context window, Ling 3.1 Flash or DeepSeek V4 Flash 0731?
DeepSeek V4 Flash 0731 supports up to 1.05M tokens of context, compared with 262K for Ling 3.1 Flash.
Is Ling 3.1 Flash smarter than DeepSeek V4 Flash 0731?
On the Artificial Analysis Intelligence Index, Ling 3.1 Flash scores 41.1 and DeepSeek V4 Flash 0731 scores 34.3, putting Ling 3.1 Flash ahead. Benchmarks don't capture everything, so the best test is running your own prompts through both.
Can I use Ling 3.1 Flash and DeepSeek V4 Flash 0731 at the same time?
Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see Ling 3.1 Flash and DeepSeek V4 Flash 0731 answer side by side and keep the better response.
Why choose? Ask both.
Send one prompt to Ling 3.1 Flash and DeepSeek V4 Flash 0731 at the same time. Compare the answers side by side and keep the best one.