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AI123AI ModelsdeepseekR1
R1

R1

deepseek

DeepSeek R1 is here: Performance on par with OpenAI o1, but open-sourced and with fully open reasoning tokens. It's 671B parameters in size, with 37B active in an inference pass.

Fully open-source model & technical report.

MIT licensed: Distill & commercialize freely!

Modalities
TT
Input / output price
$0.7/$2.5per 1M tokens
Context
64K
Released
2025-01-20
PricingArtificial AnalysisRelated Models

Pricing

Usage prices in USD. Token rates are per one million tokens; other billing units are shown with each charge.
InputOutput
$0.70/ 1M tokens$2.50/ 1M tokens

Artificial Analysis

Explore rankings
11.4

Intelligence index

Outperforms 33% of compared models

24.6

Coding index

Outperforms 26% of compared models

1.1

Agentic index

Outperforms 20% of compared models

Related Models

DeepSeek V4.1 Flash 1017

DeepSeek V4.1 Flash 1017

deepseek

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 from DeepSeek, and the first built on the company's Causal Encoder-Decoder (CED) architecture. It activates 8B parameters on input and 16B on output from a 552B-parameter backbone, an asymmetric split that keeps per-token compute low relative to the model's total size. Image understanding is native to the architecture, with visual and text embeddings trained jointly from the start of pre-training rather than added afterward as in the earlier experimental V4 Flash Vision Exp. It is suited for coding, terminal, and computer-use agents, along with long-horizon tasks that must run to completion across many steps and long-context analysis. Compressed KV caching cuts cache memory to roughly a quarter of the previous Flash generation, significantly reducing costs on agentic workloads. DeepSeek positions it as the cost-efficient tier of the V4.1 family and reports that it exceeds V4 Pro on performance, speed, and task completion time.

Context
1.0M
Max output
393.2K
Released
2026-10-17
Input
$0.15/M
Output
$0.6/M
Cache read
$0.003/M
DeepSeek V4 Pro 0813

DeepSeek V4 Pro 0813

deepseek

DeepSeek V4 Pro 0813 is a large-scale mixture-of-experts model from DeepSeek. This is the GA release of DeepSeek V4 Pro.

Context
1.0M
Max output
393.2K
Released
2026-08-12
Input
$0.66/M
Output
$1.98/M
Cache read
$0.022/M
DeepSeek V4 Flash Vision Exp

DeepSeek V4 Flash Vision Exp

deepseek

DeepSeek V4 Flash Vision Exp is an experimental vision-enabled version of DeepSeek V4 Flash 0731 from DeepSeek, adding image understanding while matching the base model on text capabilities including agents, reasoning, and world knowledge. It is a sparse mixture-of-experts model with 13B active parameters out of 284B total. It is suited for document and chart understanding, visual question answering, and multimodal agent workflows that interleave text and images.

Context
1.0M
Max output
262.1K
Released
2026-08-21
Input
$0.216/M
Output
$0.647/M
Cache read
$0.0069/M
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