AI model comparison
DeepSeek V4 Flash Vision Exp vs Solar Pro 4
Side by side comparison of DeepSeek V4 Flash Vision Exp and Solar Pro 4 on pricing, benchmark scores, context window, and more.
DeepSeek V4 Flash Vision Exp is an experimental vision-enabled version of [DeepSeek V4 Flash 0731](https://openrouter.ai/deepseek/deepseek-v4-flash-0731) from DeepSeek, adding image understanding while matching the base model on text capabilities including agents,
- Input / 1M
- $0.22
- Output / 1M
- $0.65
- Context
- 1.05M
Solar Pro 4 is Upstage's cost-efficient large language model, featuring a 524K context window.
- Input / 1M
- $0.15
- Output / 1M
- $0.60
- Context
- 524K
Comparing image generators? Compare image models
At a glance
Quick verdict
How the two models stack up on the things people ask about most.
Lower price
Solar Pro 4
1.3x cheaper for a typical chat
Higher intelligence score
DeepSeek V4 Flash Vision Exp
34.8 vs 28.2 on Artificial Analysis
Larger context window
DeepSeek V4 Flash Vision Exp
1.05M vs 524K tokens
Newer release
DeepSeek V4 Flash Vision Exp
Released August 21, 2026
Benchmarks
Benchmark scores
Independent scores from Artificial Analysis. Higher is better.
Intelligence index
DeepSeek V4 Flash Vision Exp34.8Coding index
DeepSeek V4 Flash Vision Exp65Agentic index
DeepSeek V4 Flash Vision Exp47.5Pricing
DeepSeek V4 Flash Vision Exp vs Solar Pro 4 API pricing
Per-token API rates. Cheaper option highlighted.
| Metric | DeepSeek V4 Flash Vision Exp | |
|---|---|---|
| Input tokensPer 1M tokens | $0.22 | $0.15 |
| Output tokensPer 1M tokens | $0.65 | $0.60 |
| Cached input (read)Per 1M tokens | $0.01 | $0.03 |
| 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 Vision Exp$0.75Coding task
30K in, 4K out
DeepSeek V4 Flash Vision Exp$9.06$2.79 cachedLong document summary
150K in, 2K out
DeepSeek V4 Flash Vision Exp$33.63$2.32 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 Vision Exp | |
|---|---|---|
| Context window | 1.05M tokens | 524K tokens |
| Max output | 262K tokens | 131K tokens |
| Input types | Image, Text | Text |
| Output types | Text | Text |
| Reasoning effort levels | Max, High, Low, None | Max, Extra high, High, Medium, Low, Minimal, None |
| Default reasoning effort | High | Medium |
| Release date | August 21, 2026 | August 10, 2026 |
Features
Supported features
API features available for each model.
| Metric | DeepSeek V4 Flash Vision Exp | |
|---|---|---|
| Tool calling | Supported | Supported |
| Structured outputs | Supported | Supported |
| JSON mode | Supported | Supported |
| Reasoning | Supported | Supported |
| Temperature | Supported | Supported |
| Stop sequences | Supported | Not supported |
| Deterministic seed | Supported | Not 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 Vision ExpView full model details- DeepSeek V4 Flash Vision Exp vs DeepSeek V4.1 Flash 1017
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- DeepSeek V4 Flash Vision Exp vs DeepSeek V4 Pro 0813
- DeepSeek V4 Flash Vision Exp vs DeepSeek V4 Flash 0731
- DeepSeek V4 Flash Vision Exp vs Qwen3.8 27B
- DeepSeek V4 Flash Vision Exp vs DeepSeek V4 Pro 0423
- DeepSeek V4 Flash Vision Exp vs DeepSeek V4.1 Flash
- Solar Pro 4 vs DeepSeek V4.1 Flash
- Solar Pro 4 vs DeepSeek V4.1 Flash 1017
- Solar Pro 4 vs Hy3
- Solar Pro 4 vs DeepSeek V4 Flash 0423
- Solar Pro 4 vs MiniMax M3
- Solar Pro 4 vs Solar Mini 4
- Solar Pro 4 vs Gemini 3 Flash Preview
- Solar Pro 4 vs DeepSeek V4 Pro 0423
- Solar Pro 4 vs MiMo-V2.5-Pro
- Solar Pro 4 vs Nemotron 3.5 Super VL
- Solar Pro 4 vs Inkling Small
- Solar Pro 4 vs Ling 3.0 Flash VL
Our take
Solar Pro 4 is 1.3x cheaper for a typical chat. DeepSeek V4 Flash Vision Exp scores higher on the Artificial Analysis Intelligence Index (34.8 vs 28.2). DeepSeek V4 Flash Vision Exp has the larger context window (1.05M vs 524K 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 Vision Exp or Solar Pro 4 cheaper?
Solar Pro 4 is cheaper for a typical chat (2K input tokens and 500 output tokens). Solar Pro 4 costs $0.15 per 1M input tokens and $0.60 per 1M output tokens, while DeepSeek V4 Flash Vision Exp costs $0.22 per 1M input tokens and $0.65 per 1M output tokens.
Which has a bigger context window, DeepSeek V4 Flash Vision Exp or Solar Pro 4?
DeepSeek V4 Flash Vision Exp supports up to 1.05M tokens of context, compared with 524K for Solar Pro 4.
Is DeepSeek V4 Flash Vision Exp smarter than Solar Pro 4?
On the Artificial Analysis Intelligence Index, DeepSeek V4 Flash Vision Exp scores 34.8 and Solar Pro 4 scores 28.2, putting DeepSeek V4 Flash Vision Exp ahead. Benchmarks don't capture everything, so the best test is running your own prompts through both.
Can I use DeepSeek V4 Flash Vision Exp and Solar Pro 4 at the same time?
Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see DeepSeek V4 Flash Vision Exp and Solar Pro 4 answer side by side and keep the better response.
Why choose? Ask both.
Send one prompt to DeepSeek V4 Flash Vision Exp and Solar Pro 4 at the same time. Compare the answers side by side and keep the best one.