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DeepSeek Reasoner
deepseek-thinking
Helicone ·
deepseek-reasoner
Capabilities
Tool Call
No
Reasoning
Yes
Structured Output
No
Temperature Control
Yes
Attachments
No
Open Weights
Yes
Modalities
Input
text
Output
text
Pricing (per 1M tokens)
Input
$0.56
Output
$1.68
Cache Read
$0.07
Install
Direct installation coming soon — March 2026
Provider Docs
Details
Provider
Helicone
Model ID
deepseek-reasoner
Family
deepseek-thinking
Knowledge Cutoff
2025-01
Release Date
2025-12-01
Last Updated
2026-02-28
Limits
Context
128K
Max Output
64K
SDK
@ai-sdk/openai-compatible
DeepSeek Reasoner — Harmony Marketplace