Grok 3 Reasoner R

The grok/grok-3-reasoner-r represents the pinnacle of xAI's reasoning capabilities, specifically engineered for tasks that require extended cognitive depth. Unlike standard LLMs, grok/grok-3-reasoner-r utilizes a stateful architecture via the Responses API, allowing it to maintain context and reasoning chains across multi-step interactions. Integrated within GPT Proto, this model excels in logical deduction, complex coding, and scientific research. By leveraging encrypted thinking content, grok/grok-3-reasoner-r provides a transparent yet secure method for tracking an AI's 'train of thought,' ensuring unparalleled accuracy for high-stakes professional applications.

Modalities

API Usage Examples

curl --request POST "https://gptproto.com/v1/chat/completions" \
  --header "Authorization: Bearer $GPTPROTO_API_KEY" \
  --header "Content-Type: application/json" \
  --data '{
    "model": "grok-3-reasoner-r",
    "messages": [
      {
        "role": "user",
        "content": "Hello"
      }
    ]
  }'

Grok 3 Reasoner R pricing

Chat, coding agents & document work. Priced per 1M tokens — input, cached input and output are billed separately. GPTProto is 40% below official rates.

Your usage

Model

Grok · ≈ 100M tokens/mo (0M cached)

Monthly volume

OpenRouter

List + 5.5% credit fee

$569.70

per month

Input (non-cached)$253.20

Output$316.50

Grok

Direct from Grok (list price)

$540

per month

Input (non-cached)$240

Output$300

BEST VALUE

GPTProto

40% off official

$324

per month

After discount$324

Effective$324

Monthly cost by source

OpenRouter

$569.70

Grok

$540

GPTProto

$324

Save $216 / month

on GPTProto vs Grok (−40%)

Annual savings ≈ $2,592 · pay as you go

GPTProto applies a per-model discount (10–30% off official) on top of bonus credits — every unit costs less than going direct.

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Grok 3 Reasoner R

Current

byGrok$1.8/M input$9/M output

DeepSeek Flash

byDeepSeek$0.3/M input$1.2/M output

Hy4 Preview

byHunyuan1.05M context$0.7923/M input$2.376/M output

GPT 6 Astra

byOpenAI1.05M context$8/M input$40/M output

Gemini 3.8 Flash

byGoogle1.05M context$0.9/M input$4.5/M output

Claude Fable 5.1

byClaude1M context$9/M input$45/M output

Qwen3.8 Max 0902

byQwen1M context$1.8/M input$5.4/M output

GLM 5.3 Flash

byZ-AI1.31M context$0.15/M input$0.5/M output

DeepSeek v4 Flash Vision Exp

byDeepSeek1.05M context$0.3/M input$1.2/M output

GLM 5.3

byZ-AI1.31M context$1.26/M input$3.96/M output

Gemini 3.7 Flash

byGoogle1.05M context$0.9/M input$4.5/M output

Grok 4.6

byGrok500K context$1.2/M input$3.6/M output

Qwen3.8 Max

byQwen1M context$1.8/M input$5.4/M output

Claude Opus 5

byClaude1M context$4.5/M input$22.5/M output

Gemini 3.6 Flash

byGoogle1.05M context$0.9/M input$4.5/M output

Kimi K3

byMoonshotAI1.05M context$2.7/M input$13.5/M output

GPT 5.6 Luna

byOpenAI1.05M context$0.16/M input$0.96/M output

GPT 5.6 Terra

byOpenAI1.05M context$1.6/M input$9.6/M output

Grok 4.5

byGrok500K context$1.2/M input$3.6/M output

Claude Sonnet 5

byClaude1M context$1.8/M input$9/M output

Minimax M3

byMiniMax1.05M context$0.48/M input$0.96/M output

GLM 5.2

byZ-AI1.05M context$1.26/M input$3.96/M output

Qwen3.7 Max

byQwen1M context$0.36/M input$1.44/M output

DeepSeek v4 Flash

byDeepSeek1.05M context$0.3/M input$1.2/M output

Grok 4.3

byGrok1M context$0.75/M input$1.5/M output

Kimi K2.6

byMoonshotAI262K context$0.855/M input$3.6/M output

Grok 4.20 Beta 0309 Reasoning

byGrok2M context$0.75/M input$1.5/M output

Grok 4.20 Beta 0309 Non Reasoning

byGrok2M context$0.75/M input$1.5/M output

Grok 4.20 Multi Agent Beta 0309

byGrok2M context$0.75/M input$1.5/M output

Minimax M2.5

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Kimi K2.5

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Doubao Seed 1.6 Thinking (Build 250715)

byBytedance262K context$0.0971/M input$0.9714/M output

Doubao Seed 1.6 Thinking (Build 250615)

byBytedance262K context$0.0971/M input$0.9714/M output

Doubao Seed 1.6 Flash (Build 250615)

byBytedance262K context$0.0182/M input$0.1821/M output

Model					Input → Output
Grok 3 Reasoner RCurrent $		—	$1.80 / $9.00 per 1M	—	Input: Text Output: Text
DeepSeek Flash $	—	—	$0.30 / $1.20 per 1M	— / $0.006 per 1M	Input: TextInput: Image Output: Text
Hy4 Preview $		1.05M	$0.79 / $2.38 per 1M	— / $0.04 per 1M	Input: Text Output: Text
GPT 6 Astra $		1.05M	$8.00 / $40.00 per 1M	$10.00 / $0.80 per 1M	Input: TextInput: ImageInput: Document Output: Text
Gemini 3.8 Flash $		1.05M	$0.90 / $4.50 per 1M	$0.60 / $0.09 per 1M	Input: TextInput: ImageInput: VideoInput: DocumentInput: Audio Output: Text
Claude Fable 5.1 $		1M	$9.00 / $45.00 per 1M	$11.25 / $0.23 per 1M	Input: TextInput: ImageInput: Document Output: Text
Qwen3.8 Max 0902 $		1M	$1.80 / $5.40 per 1M	$2.25 / $0.23 per 1M	Input: TextInput: ImageInput: VideoInput: DocumentInput: Audio Output: Text
GLM 5.3 Flash $	—	1.31M	$0.15 / $0.50 per 1M	— / $0.03 per 1M	Input: TextInput: ImageInput: VideoInput: Document Output: Text
DeepSeek v4 Flash Vision Exp $	—	1.05M	$0.30 / $1.20 per 1M	— / $0.006 per 1M	Input: TextInput: Image Output: Text
GLM 5.3 $		1.31M	$1.26 / $3.96 per 1M	— / $0.23 per 1M	Input: TextInput: ImageInput: Document Output: Text
Gemini 3.7 Flash $		1.05M	$0.90 / $4.50 per 1M	$0.60 / $0.09 per 1M	Input: TextInput: ImageInput: Document Output: Text
Grok 4.6 $		500K	$1.20 / $3.60 per 1M	— / $0.30 per 1M	Input: TextInput: Image Output: Text
Qwen3.8 Max $		1M	$1.80 / $5.40 per 1M	$2.25 / $0.23 per 1M	Input: TextInput: ImageInput: VideoInput: Document Output: Text
Claude Opus 5 $		1M	$4.50 / $22.50 per 1M	$5.63 / $0.45 per 1M	Input: TextInput: ImageInput: Document Output: Text
Gemini 3.6 Flash $		1.05M	$0.90 / $4.50 per 1M	$0.60 / $0.09 per 1M	Input: TextInput: ImageInput: Document Output: Text
Kimi K3 $		1.05M	$2.70 / $13.50 per 1M	$0.27 / $0.27 per 1M	Input: TextInput: ImageInput: Document Output: Text
GPT 5.6 Luna $		1.05M	$0.16 / $0.96 per 1M	$0.20 / $0.02 per 1M	Input: TextInput: ImageInput: Document Output: Text
GPT 5.6 Terra $		1.05M	$1.60 / $9.60 per 1M	$2.00 / $0.16 per 1M	Input: TextInput: ImageInput: Document Output: Text
Grok 4.5 $		500K	$1.20 / $3.60 per 1M	$0.30 / $0.30 per 1M	Input: TextInput: Image Output: Text
Claude Sonnet 5 $		1M	$1.80 / $9.00 per 1M	$2.25 / $0.18 per 1M	Input: TextInput: Document Output: Text
Minimax M3 $		1.05M	$0.48 / $0.96 per 1M	$0.10 / $0.10 per 1M	Input: TextInput: ImageInput: Document Output: Text
GLM 5.2 $		1.05M	$1.26 / $3.96 per 1M	$0.23 / $0.23 per 1M	Input: TextInput: ImageInput: Document Output: Text
Qwen3.7 Max $		1M	$0.36 / $1.44 per 1M	$0.07 / $0.07 per 1M	Input: TextInput: Document Output: Text
DeepSeek v4 Flash $	—	1.05M	$0.30 / $1.20 per 1M	— / $0.006 per 1M	Input: Text Output: Text
Grok 4.3 $		1M	$0.75 / $1.50 per 1M	$0.12 / $0.12 per 1M	Input: TextInput: Image Output: Text
Kimi K2.6 $		262K	$0.85 / $3.60 per 1M	$0.14 / $0.14 per 1M	Input: TextInput: Document Output: Text
Grok 4.20 Beta 0309 Reasoning $		2M	$0.75 / $1.50 per 1M	$0.12 / $0.12 per 1M	Input: TextInput: Image Output: Text
Grok 4.20 Beta 0309 Non Reasoning $		2M	$0.75 / $1.50 per 1M	$0.12 / $0.12 per 1M	Input: TextInput: Image Output: Text
Grok 4.20 Multi Agent Beta 0309 $		2M	$0.75 / $1.50 per 1M	$0.12 / $0.12 per 1M	Input: TextInput: Image Output: Text
Minimax M2.5 $		205K	$0.24 / $0.96 per 1M	$0.30 / $0.02 per 1M	Input: TextInput: Document Output: Text
Kimi K2.5 $		262K	$0.54 / $2.70 per 1M	$0.09 / $0.09 per 1M	Input: TextInput: Document Output: Text
Doubao Seed 1.6 Thinking (Build 250715) $		262K	$0.10 / $0.97 per 1M	—	Input: TextInput: Image Output: Text
Doubao Seed 1.6 Thinking (Build 250615) $		262K	$0.10 / $0.97 per 1M	—	Input: TextInput: Image Output: Text
Doubao Seed 1.6 Flash (Build 250615) $		262K	$0.02 / $0.18 per 1M	—	Input: TextInput: Image Output: Text

Master Complex Logic with grok/grok-3-reasoner-r on GPT Proto

Empower your workflow with the deep-thinking capabilities of grok/grok-3-reasoner-r, the premier model for cognitive precision. Get started now at GPT Proto Models.

The End of Surface-Level AI Responses

Many traditional AI models fail when faced with 'wicked problems'—challenges where the solution requires a non-linear path of deduction. The grok/grok-3-reasoner-r model is the antidote to these limitations. By employing a 'reasoner' framework, it doesn't just predict the next token; it explores multiple branching paths of logic before delivering an answer. On the GPT Proto platform, we provide the infrastructure necessary to utilize grok/grok-3-reasoner-r for long-form reasoning tasks that would otherwise time out or lose coherence on lesser platforms.

High-Integrity Software Engineering

In our experience, grok/grok-3-reasoner-r is transformative for legacy code refactoring. While standard models often overlook edge cases in massive codebases, grok/grok-3-reasoner-r uses its internal reasoning traces to map out architectural dependencies. When you use grok/grok-3-reasoner-r on GPT Proto, you can maintain state across 30 days, allowing for 'iterative debugging' where the model remembers the specific constraints of your environment without needing a 10,000-word prompt every time.

Scientific Synthesis and Research

For researchers, grok/grok-3-reasoner-r acts as a tireless collaborator. It can ingest complex data points and reason through biological or physical simulations. The model's ability to provide encrypted thinking content allows users to verify the logical steps taken during a derivation, making grok/grok-3-reasoner-r a transparent tool for academic and industrial R&D.

"The grok/grok-3-reasoner-r architecture signifies a shift from generative chat to true cognitive processing. It is less about conversation and more about computation of thought."

Seamless Integration on GPT Proto

GPT Proto provides a hardened layer for grok/grok-3-reasoner-r. Our API response times are optimized for the model's extended thinking periods. By accessing grok/grok-3-reasoner-r through our dashboard, you gain a unified view of your stateful conversations. Detailed documentation is available at GPT Proto Docs to help you implement the Responses API chaining method effectively.

Feature	Standard LLMs	grok/grok-3-reasoner-r on GPT Proto
Logic Style	Linear Prediction	Deep Multi-path Reasoning
State Persistence	No (Stateless)	30-Day Stateful Memory
Thinking Traces	Hidden	Encrypted & Exportable
Complexity Limit	Moderate	Extreme (Scientific Grade)

Transparent Pricing & Usage

At GPT Proto, we believe in straightforward financial management. To use grok/grok-3-reasoner-r, simply navigate to the billing center to Top-up Balance or Add Funds. We do not use confusing virtual currencies; your Recharge Amount translates directly to model usage. Manage your resources at Billing Center and monitor real-time consumption on your User Dashboard.

The era of AI that guesses is over. The era of AI that reasons has arrived with grok/grok-3-reasoner-r. Stay updated on the latest optimizations by visiting the GPT Proto Blog.

Deep Dive into grok/grok-3-reasoner-r Logic

Answers to technical queries regarding the deployment and optimization of grok/grok-3-reasoner-r on GPT Proto.

What makes grok/grok-3-reasoner-r different from standard Grok-3?

The grok/grok-3-reasoner-r model includes a dedicated reasoning engine that allows for 'Chain of Thought' processing before outputting text, whereas standard models are optimized for speed over depth.

Can I retrieve previous thoughts from grok/grok-3-reasoner-r?

Yes, grok/grok-3-reasoner-r supports returning encrypted thinking content that can be passed back into the model to maintain long-term reasoning state.

How long does grok/grok-3-reasoner-r store my conversation state?

On GPT Proto, grok/grok-3-reasoner-r responses are stored for 30 days, allowing you to resume complex reasoning chains using the response ID.

Does grok/grok-3-reasoner-r support system instructions?

While grok/grok-3-reasoner-r currently prioritizes system roles for initial context setting, it excels at following complex multi-turn logic without losing the original goal.

Is grok/grok-3-reasoner-r suitable for real-time chat?

Because grok/grok-3-reasoner-r spends time 'thinking,' it is better suited for analytical tasks rather than high-speed casual conversation.

How do I add funds to use grok/grok-3-reasoner-r?

To access grok/grok-3-reasoner-r, visit the GPT Proto billing center to Add Funds to your balance directly.

Can I disable server-side storage for grok/grok-3-reasoner-r?

Yes, by setting 'store: false' in your request, you can use grok/grok-3-reasoner-r without saving the interaction on the server.

What is the timeout limit for grok/grok-3-reasoner-r?

Due to its deep reasoning nature, grok/grok-3-reasoner-r requires a longer timeout, typically 3600 seconds, which GPT Proto supports natively.

How does grok/grok-3-reasoner-r handle large codebases?

The grok/grok-3-reasoner-r model uses its reasoning phase to map dependencies across large inputs, making it ideal for architectural analysis.

Is the thinking content of grok/grok-3-reasoner-r always encrypted?

Yes, grok/grok-3-reasoner-r encrypts its internal reasoning traces to protect the integrity of the model's logic while allowing for state chaining.

Which API should I use for grok/grok-3-reasoner-r?

The xAI Responses API is the recommended way to interact with grok/grok-3-reasoner-r for stateful, multi-turn reasoning.

Can I use grok/grok-3-reasoner-r for competitive programming?

Absolutely; grok/grok-3-reasoner-r is specifically tuned for the high-level logic required in advanced algorithmic challenges.

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Master Complex Logic with grok/grok-3-reasoner-r on GPT Proto

The End of Surface-Level AI Responses

High-Integrity Software Engineering

Scientific Synthesis and Research

Seamless Integration on GPT Proto

Transparent Pricing & Usage

What makes grok/grok-3-reasoner-r different from standard Grok-3?

Can I retrieve previous thoughts from grok/grok-3-reasoner-r?

How long does grok/grok-3-reasoner-r store my conversation state?

Does grok/grok-3-reasoner-r support system instructions?

Is grok/grok-3-reasoner-r suitable for real-time chat?

How do I add funds to use grok/grok-3-reasoner-r?

Can I disable server-side storage for grok/grok-3-reasoner-r?

What is the timeout limit for grok/grok-3-reasoner-r?

How does grok/grok-3-reasoner-r handle large codebases?

Is the thinking content of grok/grok-3-reasoner-r always encrypted?

Which API should I use for grok/grok-3-reasoner-r?

Can I use grok/grok-3-reasoner-r for competitive programming?

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