DeepSeek · Model identity
DeepSeek V4 Flash 0731
DeepSeek V4 Flash 0731 is a sparse mixture-of-experts model from DeepSeek, with 13B active parameters out of 284B total. This re-post-trained revision is suited for coding, reasoning, and agent workflows....
2pricing routes
What published route metadata supports
CachingHugging FaceReasoningStructured outputTool use
Input modalities
Text
Supported API parameters
frequency_penaltyinclude_reasoninglogit_biaslogprobsmax_tokensmin_pparallel_tool_callspresence_penaltyreasoningreasoning_effortrepetition_penaltyresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_atop_ktop_logprobstop_p
Only source-backed fields are filled
Release dateNot independently verified
Knowledge cutoffNot independently verified
Open weightsNot independently verified
OpenRouter catalog date2026-07-31
LLMPrice does not infer a release date, knowledge cutoff, or open-weight status from a model name, Hugging Face link, or pricing route.
Could this workload cost less?Compare DeepSeek V4 Flash 0731 with cheaper models using the same workload.
Find cheaper alternatives →| Endpoint / route | Model ID | Input | Cached | Output | Context | Source |
|---|---|---|---|---|---|---|
| OpenRouterStandard | deepseek/deepseek-v4-flash-0731 | $0.04 | $0.008 | $0.08 | 1.31M | OpenRouter API ↗ |
| OpenRouterBatch | deepseek/deepseek-v4-flash-0731:batch | $0.11 | $0.0035 | $0.33 | 1.05M | OpenRouter API ↗ |
Hugging Face references
Presence of a Hugging Face ID is not treated as proof that model weights are open.
8 verified price changes since Aug 26, 2026
1 route availability change recorded. No earlier prices are inferred.
Input / 1M$0.04Aug 26, 2026 → Sep 12, 2026
Output / 1M$0.08Aug 26, 2026 → Sep 12, 2026
- Sep 12, 2026OpenRouter · Standard
Input $0.065 → $0.04 · Cached input $0.016 → $0.008 · Output $0.18 → $0.08
- Sep 9, 2026OpenRouter · Batch
Input $0.14 → $0.11 · Cached input $0.03 → $0.0035 · Output $0.28 → $0.33
- Sep 8, 2026OpenRouter · Standard
Input $0.14 → $0.065 · Cached input $0.028 → $0.016 · Output $0.28 → $0.18
- Sep 7, 2026OpenRouter · Standard
Input $0.065 → $0.14 · Cached input $0.016 → $0.028 · Output $0.18 → $0.28
- Aug 29, 2026OpenRouter · Standard
Input $0.05 → $0.065 · Cached input $0.01 → $0.016 · Output $0.1 → $0.18
- Aug 29, 2026OpenRouter · Standard
Input $0.045 → $0.05 · Cached input $0.009 → $0.01 · Output $0.09 → $0.1