Model summary
Intelligence
Speed
Price
Cache Hit Price
Verbosity
DeepSeek V4 Flash 0731 is amongst the leading models in intelligence and well priced when comparing to other models of similar price. The model supports text input, outputs text, and has a 1M tokens context window.
DeepSeek V4 Flash 0731 scores 50 on the Artificial Analysis Intelligence Index, placing it well above average among comparable models (median: 17). When evaluating the Intelligence Index, it generated 210M tokens, which is very verbose in comparison to the median of 62M.
Pricing for DeepSeek V4 Flash 0731 is $0.14 per 1M input tokens (competitively priced, median: $0.25) and $0.28 per 1M output tokens (competitively priced, median: $0.88). In total, it cost $72.02 to evaluate DeepSeek V4 Flash 0731 on the Intelligence Index.
| Reasoning | Yes This page shows the reasoning version of this model. A non-reasoning variant may also exist. |
|---|---|
| Input modality | Supports: text |
| Output modality | Supports: text |
| Context window | 1M ~1500 A4 pages of size 12 Arial font |
Metrics are compared against models of the same class:
- Non-reasoning models → compared only with other non-reasoning models
- Reasoning models → compared across both reasoning and non-reasoning
- Open weights models → compared only with other open weights models of the same size class:
- Tiny: ≤4B parameters
- Small: 4B–40B parameters
- Medium: 40B–150B parameters
- Large: >150B parameters
-
Proprietary models → compared across proprietary and open weights models of the same price range, using a blended 3:1 input/output price ratio:
-
<$0.15 per 1M tokens
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$0.15–$1 per 1M tokens
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$1 per 1M tokens Highlights
Speed
Intelligence #
Artificial Analysis Intelligence Index
Artificial Analysis Intelligence Index by Open Weights / Proprietary
Intelligence Evaluations
Agentic real-world work tasks, (Elo-500)/2000 Agentic tool use
Agentic coding & terminal use
Coding
Reasoning & knowledge
Scientific reasoning
Physics reasoning
Knowledge
1 - hallucination rate
Long context reasoning
Agentic knowledge work, Elo
Agentic SaaS workflows
Legal agentic work, criterion pass rate
Agentic business operations
Instruction following
Long-horizon agentic tasks
Kubernetes incident root-cause analysis
Visual reasoning
AA-Omniscience
AA-Omniscience Index
Intelligence Index Comparisons #
Intelligence Index vs. Cost per Intelligence Index Task
Token Use #
Output Tokens per Intelligence Index Task
Cost #
Cost per Intelligence Index Task
Cost to Run Artificial Analysis Intelligence Index
Pricing: Cache Hit, Input, and Output
Context Window #
Context Window
Frequently Asked Questions #
Common questions about DeepSeek V4 Flash 0731
DeepSeek V4 Flash 0731 was released on July 31, 2026.
DeepSeek V4 Flash 0731 was created by DeepSeek.
DeepSeek V4 Flash 0731 scores 50 on the Artificial Analysis Intelligence Index, placing it well above average among other reasoning models in a similar price tier (median: 17).
DeepSeek V4 Flash 0731 costs $0.14 per 1M input tokens (very competitive, median: $0.25) and $0.28 per 1M output tokens (very competitive, median: $0.88), based on DeepSeek's API.
DeepSeek V4 Flash 0731 costs $0.14 per 1M input tokens and $0.28 per 1M output tokens (based on DeepSeek's API). For a blended rate (7:2:1 cache hit/input/output ratio), this is $0.06 per 1M tokens. Pricing may vary by provider. Compare provider pricing
When evaluated on the Intelligence Index, DeepSeek V4 Flash 0731 generated 210M output tokens, which is at the higher end compared to other reasoning models in a similar price tier (median: 62M).
Yes, DeepSeek V4 Flash 0731 is a reasoning model. It uses extended thinking or chain-of-thought reasoning to work through complex problems before providing an answer.
DeepSeek V4 Flash 0731 supports text input.
DeepSeek V4 Flash 0731 supports text output.
No, DeepSeek V4 Flash 0731 does not support image input. It can only process text.
No, DeepSeek V4 Flash 0731 is not multimodal. It only supports text input.
DeepSeek V4 Flash 0731 has a context window of 1.0M tokens. This determines how much text and conversation history the model can process in a single request.
No, DeepSeek V4 Flash 0731 is proprietary. The model weights are not publicly available.
DeepSeek V4 Flash 0731 has 284 billion parameters.
DeepSeek V4 Flash 0731 achieves a score of 50 on the Artificial Analysis Intelligence Index. This composite benchmark evaluates models across reasoning, knowledge, mathematics, and coding.
Yes, DeepSeek V4 Flash 0731 is available via API through 1 provider. [Compare API providers](/models/deepseek-v4-flash-ga/providers)
DeepSeek V4 Flash 0731 is available through 1 API provider. [Compare providers](/models/deepseek-v4-flash-ga/providers)