Compare DeepSeek-V4.1-Flash (DeepSeek) and DeepSeek-V4-Flash-0731 (DeepSeek) by price, context, capabilities, and latency.
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| Model | Provider | Input | Output | Context | Capabilities | Best for | Latency | Status | Source |
|---|---|---|---|---|---|---|---|---|---|
| DeepSeek-V4.1-Flashdeepseek/deepseek-v4-1-flash | DeepSeek | $0.3 / 1M tokens | $1.18 / 1M tokens | 1M | Streaming | Chinese Q&A, general chat | 0-0ms | Catalog | Platform curated |
| DeepSeek-V4-Flash-0731deepseek/deepseek-v4-flash-0731 | DeepSeek | $0.45 / 1M tokens | $1.33 / 1M tokens | 1M | StreamingTool callingJSON modeLong context | Chinese Q&A, general chat | 1610-2136ms | Catalog | Platform curated |
FAQ
DeepSeek-V4.1-Flash is cheaper ($0.3 / 1M tokens input / $1.18 / 1M tokens output) vs DeepSeek-V4-Flash-0731 ($0.45 / 1M tokens input / $1.33 / 1M tokens output). Actual cost depends on your input/output token mix — estimate it with the pricing calculator.
Both offer the same context window: 1M tokens.
Both target Chinese. Pick DeepSeek-V4.1-Flash to optimize cost, or DeepSeek-V4.1-Flash for the longer context window. Test both on real prompts before committing production traffic.