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DeepSeek V4 Flash Vision Exp (Experimental)

25% OFFdeepseek/deepseek-v4-flash-vision-exp

DeepSeek V4 Flash Vision Exp is an experimental multimodal understanding model that accepts mixed text and image input and produces text output. It supports OpenAI-compatible image URL and base64 data URL content parts while retaining the text, reasoning, tool-calling, and JSON-output capabilities of DeepSeek V4 Flash.

Input price
$0.22$0.30USD / 1M tokens
Output price
$0.90$1.20USD / 1M tokens
Context window
1M
Max output
384K
Production route

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1M context384K max outputVision
Input$0.30/M$0.22/MOutput$1.20/M$0.90/MCache read$0.0060/M$0.0045/M
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Model card

Specifications

Pricing

Input
$0.22 / 1M tokens
Output
$0.90 / 1M tokens
Cache read
$0.0045 / 1M tokens

Context & modalities

Context window
1,048,576 tokens
Max output
384,000 tokens
Input
Text, image
Output
Text

Capabilities

Chat
Supported
Vision
Supported
Reasoning
Supported
Structured output
Supported
Function calling
Supported
Audio input
Not supported

Access

Provider
DeepSeek
Model ID
deepseek/deepseek-v4-flash-vision-exp
Execution
sync
Base URL
https://api.sandbase.ai
API
Chat Completions API
Endpoint
/v1/chat/completions

Independent evaluations

Benchmarks

Scores on standardized evaluations, compared with other models on SandBase.

Metrics sourced from Artificial Analysis · Intelligence Index v4.3

Artificial Analysis Intelligence Index: a composite of ten evaluations across reasoning, knowledge, math and coding. Higher is better. DeepSeek V4 Flash Vision Exp (Experimental) ranks #32 of 84 models on SandBase.

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Send your first request

OpenAI-compatible endpoint with unified authentication and usage tracking.

Production API
Chat Completions API endpoint
https://api.sandbase.ai/v1/chat/completions
Model ID
deepseek/deepseek-v4-flash-vision-exp
# The quoted heredoc keeps Unicode and shell metacharacters unchanged.
result=$(curl --fail-with-body --silent \
  -X POST "https://api.sandbase.ai/v1/chat/completions" \
  -H "Authorization: Bearer $SANDBASE_API_KEY" \
  -H "Content-Type: application/json" \
  --data-binary @- <<'SANDBASE_JSON'
{
  "model": "deepseek/deepseek-v4-flash-vision-exp",
  "messages": [
    {
      "role": "user",
      "content": "Hello"
    }
  ],
  "max_tokens": 2048
}
SANDBASE_JSON
)
printf '%s\n' "$result"

Choose your model

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Questions

FAQ

How do I call DeepSeek V4 Flash Vision Exp (Experimental) through SandBase?

Create a SandBase API key, then send requests with the model ID "deepseek/deepseek-v4-flash-vision-exp" to Chat Completions API (/v1/chat/completions) at https://api.sandbase.ai. The request examples on this page show the exact payload.

How much does DeepSeek V4 Flash Vision Exp (Experimental) cost?

$0.22 per 1M input tokens and $0.90 per 1M output tokens with the current 25% discount (list price $0.30 / $1.20), billed per request from your SandBase balance.

What is the context window of DeepSeek V4 Flash Vision Exp (Experimental)?

1M tokens of context, with up to 384K output tokens per response.

How does DeepSeek V4 Flash Vision Exp (Experimental) score on benchmarks?

DeepSeek V4 Flash Vision Exp (Experimental) scores 34.8 on the Artificial Analysis Intelligence Index (v4.3), ranking #32 of 84 models on SandBase; Coding Index 65.0, Agentic Index 47.5. Source: Artificial Analysis, measured as DeepSeek V4 Flash Vision (Max).

Which features does DeepSeek V4 Flash Vision Exp (Experimental) support?

DeepSeek V4 Flash Vision Exp (Experimental) supports vision (image input), reasoning, function calling, structured output. See Specifications above for the full list.

Do I need a separate DeepSeek account?

No. One SandBase API key and balance gives you access to DeepSeek V4 Flash Vision Exp (Experimental) and the other models in the catalog; you do not need to sign up with DeepSeek separately.