MiscSubjects

DeepSeek: DeepSeek V4.1 Flash 1017

DeepSeek V4.1 Flash 1017 is the October 17, 2026 snapshot of DeepSeek V4.1 Flash, served by DeepSeek under the `deepseek-flash` API model name.

DeepSeekDeepSeek V4.1 Flash 1017
deepseek/deepseek-v4.1-flash-1017
2026-10-17text+image->textreasoning: max / high / low / none
Intelligence index
28.6
Artificial Analysis
Design Arena
1290 Elo · #6
spreadsheet · 51.2% wins
Input
$0.15
per 1M tokens
Output
$0.60
per 1M tokens
Cached input
$0
per 1M tokens
Context
1.0M
tokens it reads
Max output
393K
tokens it writes
DeepSeek V4.1 Flash 1017 is the October 17, 2026 snapshot of DeepSeek V4.1 Flash, served by DeepSeek under the `deepseek-flash` API model name. V4.1 Flash is a sparse mixture-of-experts model...
inspect — the catalog entry
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}
openrouter.ai/deepseek/deepseek-v4.1-flash-1017
References (1)
  1. Stored model catalog — Nov 5, 2026
Via
OpenRouter
Id
openrouter/deepseek/deepseek-v4.1-flash-1017
Model id
deepseek/deepseek-v4.1-flash-1017
Name
DeepSeek: DeepSeek V4.1 Flash 1017
Description
DeepSeek V4.1 Flash 1017 is the October 17, 2026 snapshot of DeepSeek V4.1 Flash, served by DeepSeek under the `deepseek-flash` API model name.
Family
deepseek
Canonical slug
deepseek/deepseek-v4.1-flash-20261017
Price in
0.15
Price out
0.6
Price cache read
0.003
Price cache write
null
Price cache write 1h
null
Price web search
null
Price overrides
[{"min_prompt_tokens":null,"price_in":0.15,"price_out":0.6,"price_cache_read":0.003,"price_cache_write":null,"price_cache_write_1h":null},{"min_prompt_tokens":null,"price_in":0.15,"price_out":0.6,"price_cache_read":0.003,"price_cache_write":null,"price_cache_write_1h":null},{"min_prompt_tokens":null,"price_in":0.3,"price_out":1.2,"price_cache_read":0.006,"price_cache_write":null,"price_cache_write_1h":null},{"min_prompt_tokens":null,"price_in":0.15,"price_out":0.6,"price_cache_read":0.003,"price_cache_write":null,"price_cache_write_1h":null},{"min_prompt_tokens":null,"price_in":0.3,"price_out":1.2,"price_cache_read":0.006,"price_cache_write":null,"price_cache_write_1h":null},{"min_prompt_tokens":null,"price_in":0.15,"price_out":0.6,"price_cache_read":0.003,"price_cache_write":null,"price_cache_write_1h":null}]
Context
1048576
Max completion tokens
393216
Modality
text+image->text
Input modalities
["text","image"]
Output modalities
["text"]
Tokenizer
DeepSeek
Knowledge cutoff
null
Created
1792225624
Moderated
false
Params
["frequency_penalty","include_reasoning","logit_bias","logprobs","max_completion_tokens","max_tokens","min_p","parallel_tool_calls","presence_penalty","reasoning","reasoning_effort","repetition_penalty","response_format","seed","stop","structured_outputs","temperature","tool_choice","tools","top_k","top_logprobs","top_p"]
Default parameters
{}
Tools
true
Reasoning
true
Reasoning efforts
["max","high","low","none"]
Reasoning default effort
high
Reasoning mandatory
false
Reasoning default enabled
true
Vision
true
Expiration date
null

Connected subjects

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Page dataOpen JSON
page.json
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