DeepSeek V4.1 Flash 1017 API
- Input
- $0.15per 1M tokens
- Output
- $0.6per 1M tokens
- Cached input
- $0.003per 1M tokens
- Context
- 1M
DeepSeek V4.1 Flash 1017 for OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses.
Explore DeepSeek V4.1 Flash 1017 for OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses through the unified API. Supported interfaces and current availability are shown below.
- OpenAI-style Chat Completions
- Anthropic-style Messages
- OpenAI-style Responses
Model details
- Context window
- 1M tokens
- Max output
- 393K tokens
- Input
- Text, images
- Output
- Text
- Capabilities
- Reasoning, Vision, Tool calling, Streaming, JSON output
- Interfaces
- OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses
DeepSeek V4.1 Flash 1017 API pricing
Prices use the units shown below. No gateway fees. Usage, size and model options may affect the total.
| Metric | Price |
|---|---|
| / 1M input tokens | $0.15 |
| / 1M output tokens | $0.6 |
| / 1M cached input tokens | $0.003 |
| / 1M input tokens · Peak hours | $0.3 |
| / 1M output tokens · Peak hours | $1.2 |
| / 1M cached input tokens · Peak hours | $0.006 |
| / 1M input tokens · Off-peak hours | $0.15 |
| / 1M output tokens · Off-peak hours | $0.6 |
| / 1M cached input tokens · Off-peak hours | $0.003 |
What DeepSeek V4.1 Flash 1017 costs for real work
Typical workloads at list price, worked out from the rates above. Nothing is added on top.
| Workload | Tokens | Cost |
|---|---|---|
| 1,000 chat replies | 1,500 tokens in, 400 out, each | $0.465 |
| Summarise a 100-page document | 60K tokens in, 2K out | $0.010 |
| 10M tokens of coding-agent work | 10M tokens: 85% cached input, 12% fresh input, 3% output | $0.386 |
| 1M output tokens | Generated text only | $0.600 |
DeepSeek V4.1 Flash 1017 is pay-as-you-go only
DeepSeek V4.1 Flash 1017 is not included in Token Plans. Call it from a pay-as-you-go balance at the list price above, with no gateway fee.
Why teams pick it
- DeepSeek V4.1 Flash 1017 for OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses.
Call DeepSeek V4.1 Flash 1017
DeepSeek V4.1 Flash 1017 answers on any of the APIs below — pick the one your code already speaks and just swap in your Inferray key.
curl https://api.inferray.com/v1/chat/completions \
-H "Authorization: Bearer inferray_..." \
-H "Content-Type: application/json" \
-d '{
"model": "deepseek-v4.1-flash-1017",
"messages": [
{
"role": "user",
"content": "Hello"
}
]
}'curl https://api.inferray.com/v1/messages \
-H "Authorization: Bearer inferray_..." \
-H "Content-Type: application/json" \
-d '{
"model": "deepseek-v4.1-flash-1017",
"max_tokens": 1024,
"messages": [
{
"role": "user",
"content": "Hello"
}
]
}'curl https://api.inferray.com/v1/responses \
-H "Authorization: Bearer inferray_..." \
-H "Content-Type: application/json" \
-d '{
"model": "deepseek-v4.1-flash-1017",
"input": "Hello"
}'Conversation compaction is also available at POST /v1/responses/compact.
Use DeepSeek V4.1 Flash 1017 in your tools
Every coding agent below has a setup guide. Set the model to deepseek-v4.1-flash-1017.
More from DeepSeek
Alternatives to DeepSeek V4.1 Flash 1017
- GPT-4o MiniGPT-4o Mini for OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses.OpenAI
- MiniMax M3.1 FlashMiniMax M3.1 Flash for OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses.MiniMax
- Mistral Small 4Mistral Small 4 for OpenAI-style Chat Completions, Anthropic-style Messages, OpenAI-style Responses.Mistral
Questions about this model
- How much does the DeepSeek V4.1 Flash 1017 API cost?
- DeepSeek V4.1 Flash 1017 costs $0.15 per 1M input tokens and $0.6 per 1M output tokens on Inferray, and cached input is $0.003 per 1M. That is the list price, with no gateway fee on top.
- Is there a free tier for DeepSeek V4.1 Flash 1017?
- No. You add credit and pay DeepSeek V4.1 Flash 1017's list rate for each request — seats, projects, and API keys are free, and pay-as-you-go credit never expires.
- Am I charged for failed requests?
- No. A request that fails without returning a result is not billed. If a response fails part-way, the tokens already processed before the failure are charged.
- Is DeepSeek V4.1 Flash 1017 included in Token Plans?
- No. DeepSeek V4.1 Flash 1017 is pay-as-you-go only; Token Plans cover the other text models in the catalog.
- Can I use DeepSeek V4.1 Flash 1017 in Claude Code?
- Yes. Set ANTHROPIC_BASE_URL to https://api.inferray.com, ANTHROPIC_AUTH_TOKEN to your Inferray key, and ANTHROPIC_MODEL to deepseek-v4.1-flash-1017. The same key works in Codex, opencode, Cline, and other agents.
- Does DeepSeek V4.1 Flash 1017 support tool calling and vision?
- DeepSeek V4.1 Flash 1017 supports tool calling, image input, reasoning, JSON output and streaming on Inferray.
- Is it the real DeepSeek V4.1 Flash 1017?
- Yes. A request for deepseek-v4.1-flash-1017 is answered by DeepSeek V4.1 Flash 1017 from DeepSeek, billed at its published list price. Inferray never substitutes a different or smaller model.
Prices from the catalog as of November 12, 2026.