AI model comparison
Gemini 3.8 Flash vs DeepSeek V4 Pro 0813
Pricing, context window, benchmarks, and features compared side by side. Or skip the guesswork and send one prompt to both.
Gemini 3.8 Flash
Gemini 3.8 Flash is Google's most intelligent Flash model with significant gains from 3.7 Flash across software engineering, agentic tasks, and multi-step reasoning.
- Input / 1M
- $0.75
- Output / 1M
- $3.75
- Context
- 1.05M
DeepSeek
DeepSeek V4 Pro 0813
DeepSeek V4 Pro 0813 is a large-scale mixture-of-experts model from DeepSeek.
- Input / 1M
- $0.66
- Output / 1M
- $1.98
- Context
- 1.05M
At a glance
Quick verdict
How the two models stack up on the things people ask about most.
Lower price
DeepSeek V4 Pro 0813
1.5x cheaper for a typical chat
Higher intelligence score
Gemini 3.8 Flash
40.9 vs 36 on Artificial Analysis
Larger context window
Tie
1.05M vs 1.05M tokens
Newer release
Gemini 3.8 Flash
Released September 2, 2026
Benchmarks
Benchmark scores
Independent scores from Artificial Analysis. Higher is better.
Intelligence index
Gemini 3.8 Flash40.9DeepSeek V4 Pro 081336Coding index
Gemini 3.8 Flash76.3DeepSeek V4 Pro 081368.8Agentic index
Gemini 3.8 Flash40.2DeepSeek V4 Pro 081341.3Pricing
Gemini 3.8 Flash vs DeepSeek V4 Pro 0813 API pricing
Per-token API rates. Cheaper option highlighted.
| Metric | Gemini 3.8 Flash | DeepSeek V4 Pro 0813 |
|---|---|---|
| Input tokensPer 1M tokens | $0.75 | $0.66 |
| Output tokensPer 1M tokens | $3.75 | $1.98 |
| Cached input (read)Per 1M tokens | $0.08 | $0.02 |
| Cache writePer 1M tokens | $0.04 | Not available |
| Web searchPer request | $0.014 | 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
Gemini 3.8 Flash$3.38DeepSeek V4 Pro 0813$2.31Coding task
30K in, 4K out
Gemini 3.8 Flash$37.50$17.25 cachedDeepSeek V4 Pro 0813$27.72$8.58 cachedLong document summary
150K in, 2K out
Gemini 3.8 Flash$120$18.75 cachedDeepSeek V4 Pro 0813$102.96$7.26 cachedSpecs
Context window and capabilities
How much each model can read, how much it can write, and what it accepts as input.
| Metric | Gemini 3.8 Flash | DeepSeek V4 Pro 0813 |
|---|---|---|
| Context window | 1.05M tokens | 1.05M tokens |
| Max output | 66K tokens | 393K tokens |
| Input types | Audio, File, Image, Text, Video | Text |
| Output types | Text | Text |
| Reasoning effort levels | High, Medium, Low | Max, High, Low |
| Default reasoning effort | Medium | High |
| Release date | September 2, 2026 | August 12, 2026 |
Features
Supported features
API features available for each model.
| Metric | Gemini 3.8 Flash | DeepSeek V4 Pro 0813 |
|---|---|---|
| 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.
Gemini 3.8 FlashView full model details- Gemini 3.8 Flash vs DeepSeek V4.1 Flash
- Gemini 3.8 Flash vs GLM 5.3 Flash
- Gemini 3.8 Flash vs MiMo-V2.6-Flash
- Gemini 3.8 Flash vs Hy4 preview
- Gemini 3.8 Flash vs GPT-6 Luna
- Gemini 3.8 Flash vs DeepSeek V4 Flash 0731
- Gemini 3.8 Flash vs Claude Opus 5.5
- Gemini 3.8 Flash vs GLM 5.3
- Gemini 3.8 Flash vs DeepSeek V4 Flash 0423
- Gemini 3.8 Flash vs Step 5 Preview
- Gemini 3.8 Flash vs Hy3
- Gemini 3.8 Flash vs GPT-5.6 Luna
- Gemini 3.8 Flash vs GPT-6 Astra
- Gemini 3.8 Flash vs Kimi K3
- Gemini 3.8 Flash vs Muse Spark 1.3
- Gemini 3.8 Flash vs Grok 4.7
- Gemini 3.8 Flash vs Qwen3.8 Max (0902)
- Gemini 3.8 Flash vs Grok 4.6
- Gemini 3.8 Flash vs Claude Haiku 5.5
- Gemini 3.8 Flash vs GPT-5.6 Terra
- Gemini 3.8 Flash vs Claude Sonnet 5
- Gemini 3.8 Flash vs Claude Opus 4.8
- Gemini 3.8 Flash vs Ling 3.1 Flash
- Gemini 3.8 Flash vs Claude Opus 4.7
- Gemini 3.8 Flash vs Qwen3.8 2.4T A95B
- Gemini 3.8 Flash vs Gemini 3.7 Flash
- Gemini 3.8 Flash vs Muse Spark 1.2
- Gemini 3.8 Flash vs GPT-5.4
- Gemini 3.8 Flash vs Grok 4.5
- Gemini 3.8 Flash vs GPT-5.5
- Gemini 3.8 Flash vs Gemini 3.6 Flash
- Gemini 3.8 Flash vs Muse Spark 1.1
- Gemini 3.8 Flash vs Gemini 3.5 Flash
DeepSeek V4 Pro 0813View full model details- DeepSeek V4 Pro 0813 vs DeepSeek V4.1 Flash
- DeepSeek V4 Pro 0813 vs GLM 5.3 Flash
- DeepSeek V4 Pro 0813 vs MiMo-V2.6-Flash
- DeepSeek V4 Pro 0813 vs Hy4 preview
- DeepSeek V4 Pro 0813 vs GPT-6 Luna
- DeepSeek V4 Pro 0813 vs DeepSeek V4 Flash 0731
- DeepSeek V4 Pro 0813 vs Step 5 Preview
- DeepSeek V4 Pro 0813 vs GPT-5.6 Luna
- DeepSeek V4 Pro 0813 vs GLM 5.2
- DeepSeek V4 Pro 0813 vs Muse Spark 1.2
- DeepSeek V4 Pro 0813 vs Qwen3.8 27B
- DeepSeek V4 Pro 0813 vs DeepSeek V4 Flash Vision Exp
- DeepSeek V4 Pro 0813 vs Gemini 3.6 Flash
- DeepSeek V4 Pro 0813 vs Muse Spark 1.1
Our take
DeepSeek V4 Pro 0813 is 1.5x cheaper for a typical chat. Gemini 3.8 Flash scores higher on the Artificial Analysis Intelligence Index (40.9 vs 36). 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 Gemini 3.8 Flash or DeepSeek V4 Pro 0813 cheaper?
DeepSeek V4 Pro 0813 is cheaper for a typical chat (2K input tokens and 500 output tokens). DeepSeek V4 Pro 0813 costs $0.66 per 1M input tokens and $1.98 per 1M output tokens, while Gemini 3.8 Flash costs $0.75 per 1M input tokens and $3.75 per 1M output tokens.
Which has a bigger context window, Gemini 3.8 Flash or DeepSeek V4 Pro 0813?
Gemini 3.8 Flash supports up to 1.05M tokens of context, compared with 1.05M for DeepSeek V4 Pro 0813.
Is Gemini 3.8 Flash smarter than DeepSeek V4 Pro 0813?
On the Artificial Analysis Intelligence Index, Gemini 3.8 Flash scores 40.9 and DeepSeek V4 Pro 0813 scores 36, putting Gemini 3.8 Flash ahead. Benchmarks don't capture everything, so the best test is running your own prompts through both.
Can I use Gemini 3.8 Flash and DeepSeek V4 Pro 0813 at the same time?
Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see Gemini 3.8 Flash and DeepSeek V4 Pro 0813 answer side by side and keep the better response.
Why choose? Ask both.
Send one prompt to Gemini 3.8 Flash and DeepSeek V4 Pro 0813 at the same time. Compare the answers side by side and keep the best one.