DeepSeek V4 Pro 0813 vs DeepSeek V4.1 Flash: API Pricing, Limits & Cost Delta
Side-by-side 2026 engineering comparison between DeepSeek DeepSeek V4 Pro 0813 and DeepSeek DeepSeek V4.1 Flash—covering uncached input, cached prefix reads, output rates, max completion tokens, and live 30-day workload savings.
Interactive Workload Cost Delta Simulator
Side-by-Side Unit Price & Capability Matrix
| Dimension | DeepSeek V4 Pro 0813 | DeepSeek V4.1 Flash |
|---|---|---|
| Provider & Release Date | DeepSeek (2026-08-12) | DeepSeek (2026-09-10) |
| Primary Workload Tier | Frontier Reasoning | Coding & Agent |
| Uncached Input ($ / 1M tokens) | $0.111 | $0.3 |
| Cached Prompt Read ($ / 1M tokens) | $0.097 | $0.006 |
| Output Completion ($ / 1M tokens) | $4.44 | $1.2 |
| 50% Async Batch API | Not listed | Not listed |
| Context Window (tokens) | 1,048,576 | 1,048,576 |
| Max Output Tokens | 943,718 | 943,718 |
| Function / Tool Calling | Supported | Supported |
| Strict JSON Schema Outputs | Supported | Supported |
| Reasoning Token Mode | Supported | Supported |
| Accepted Input Modalities | text | text, image |
Decision Rubric: When to Pick DeepSeek V4 Pro 0813 vs DeepSeek V4.1 Flash
When to choose DeepSeek V4 Pro 0813 (DeepSeek)
Select DeepSeek V4 Pro 0813 when your workload prioritizes its Frontier Reasoning profile ($0.111/1M input, $0.097/1M cached read, $4.44/1M output) with up to 1,048,576 context tokens and 943,718 max output tokens (real-time synchronous execution).
DeepSeek V4 Pro 0813 full pricing sheet →When to choose DeepSeek V4.1 Flash (DeepSeek)
Select DeepSeek V4.1 Flash when your workload prioritizes its Coding & Agent profile ($0.3/1M input, $0.006/1M cached read, $1.2/1M output) with up to 1,048,576 context tokens and 943,718 max output tokens (real-time synchronous execution).
DeepSeek V4.1 Flash full pricing sheet →Frequently Asked Questions
Is DeepSeek V4 Pro 0813 cheaper than DeepSeek V4.1 Flash for production API workloads?
On standard uncached rates, DeepSeek V4 Pro 0813 bills $0.111/1M input and $4.44/1M output versus DeepSeek V4.1 Flash at $0.3/1M input and $1.2/1M output. On a typical 1,000 calls/day workload (4,000 input tokens at 50% cache hit + 800 output tokens), DeepSeek V4.1 Flash saves $71.88/month (60% lower).
How do DeepSeek V4 Pro 0813 and DeepSeek V4.1 Flash compare on context window and max output tokens?
DeepSeek V4 Pro 0813 offers a 1,048,576-token context window with 943,718 max output tokens (text), while DeepSeek V4.1 Flash provides a 1,048,576-token context window with 943,718 max output tokens (text, image).
Can I switch between DeepSeek V4 Pro 0813 and DeepSeek V4.1 Flash with strict JSON Schema tool calling?
Both models can be evaluated locally in DevToken: DeepSeek V4 Pro 0813 (tools: Supported, strict JSON Schema: Supported) vs DeepSeek V4.1 Flash (tools: Supported, strict JSON Schema: Supported). Always verify rate-limit headroom in the 429 Calculator before cutover.