AI model comparison
Step 5 Preview 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.
StepFun
Step 5 Preview
Step 5 Preview is StepFun's flagship model for agentic work, built on a sparse Mixture-of-Experts architecture (27B active / 600B total parameters).
- Input / 1M
- $1
- Output / 1M
- $2.70
- Context
- 1M
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
Tie
Not enough benchmark data
Larger context window
DeepSeek V4 Pro 0813
1.05M vs 1M tokens
Newer release
Step 5 Preview
Released October 8, 2026
Benchmarks
Benchmark scores
Independent scores from Artificial Analysis. Higher is better.
Intelligence index
DeepSeek V4 Pro 081336Coding index
DeepSeek V4 Pro 081368.8Agentic index
DeepSeek V4 Pro 081341.3Pricing
Step 5 Preview vs DeepSeek V4 Pro 0813 API pricing
Per-token API rates. Cheaper option highlighted.
| Metric | DeepSeek V4 Pro 0813 | |
|---|---|---|
| Input tokensPer 1M tokens | $1 | $0.66 |
| Output tokensPer 1M tokens | $2.70 | $1.98 |
| Cached input (read)Per 1M tokens | $0.05 | $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 Pro 0813$2.31Coding task
30K in, 4K out
DeepSeek V4 Pro 0813$27.72$8.58 cachedLong document summary
150K in, 2K out
DeepSeek 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 | DeepSeek V4 Pro 0813 | |
|---|---|---|
| Context window | 1M tokens | 1.05M tokens |
| Max output | 64K tokens | 393K tokens |
| Input types | Image, Text, Video | Text |
| Output types | Text | Text |
| Reasoning effort levels | High, Medium, Low | Max, High, Low |
| Default reasoning effort | Medium | High |
| Release date | October 8, 2026 | August 12, 2026 |
Features
Supported features
API features available for each model.
| Metric | 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 | Not 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.
- Step 5 Preview vs DeepSeek V4.1 Flash
- Step 5 Preview vs GLM 5.3 Flash
- Step 5 Preview vs MiMo-V2.6-Flash
- Step 5 Preview vs Hy4 preview
- Step 5 Preview vs GPT-6 Luna
- Step 5 Preview vs DeepSeek V4 Flash 0731
- Step 5 Preview vs Claude Opus 5.5
- Step 5 Preview vs GLM 5.3
- Step 5 Preview vs DeepSeek V4 Flash 0423
- Step 5 Preview vs Gemini 3.8 Flash
- Step 5 Preview vs Hy3
- Step 5 Preview vs Gemini 3 Flash Preview
- Step 5 Preview vs Qwen3.8 27B
- Step 5 Preview vs Gemini 2.5 Flash
- Step 5 Preview vs Step 3.7 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 Gemini 3.8 Flash
- 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. DeepSeek V4 Pro 0813 has the larger context window (1.05M vs 1M 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 Step 5 Preview 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 Step 5 Preview costs $1 per 1M input tokens and $2.70 per 1M output tokens.
Which has a bigger context window, Step 5 Preview or DeepSeek V4 Pro 0813?
DeepSeek V4 Pro 0813 supports up to 1.05M tokens of context, compared with 1M for Step 5 Preview.
Can I use Step 5 Preview and DeepSeek V4 Pro 0813 at the same time?
Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see Step 5 Preview and DeepSeek V4 Pro 0813 answer side by side and keep the better response.
Why choose? Ask both.
Send one prompt to Step 5 Preview and DeepSeek V4 Pro 0813 at the same time. Compare the answers side by side and keep the best one.