Grok 4.5 500K-Token Context Window and Reasoning Performance

Grok 4.5 has been replaced by Grok 4.6

The pricing shown below is for the older model and is kept for reference. If you are choosing a model today, use the current version — its rate and context window differ.

See current Grok 4.6 pricing →  ·  All recent pricing changes

Complete Analysis: 502,000 tokens for Grok 4.5
⚡ 40% Cached

Complete analysis of pricing, performance, and use cases for xAI's Grok 4.5 model with 40% Cached.

⚡ Caching Optimized (up to 90% savings)
$1.304000 (rounded ~ $1.30) Total Cost
502,000 Total Tokens
1 hour, 37 minutes, 36.85 seconds Processing Time
86 Effective Tokens/Sec

Click Recalculate to update after making changes

ℹ️ Bulk Calculation: Total volume exceeds single-request limit of 500,000 tokens. Budgeting mode active.

Select AI Model

Grok 4.5
xAIMax Context: 500,000 tokens
$2 / $6 per 1M tokens (Standard)
State-dependent pricing active. Current tier: Standard
▼
▼
Use Batch API (50% discount)
40%
Provider-specific multipliers applied after all calculations
Enable for cache discounts
Select platform to enforce context limits
Number of requests (max 1M). Summary view auto-enabled >10k.

Calculate Token Costs

$1.304000 Total Cost
$1.200000 Input Cost
$0.024000 Output Cost
$0.000000 Unit Cost
$0.000000 Search Cost
$0.000000 Request Fee
$0.000000 Tool Fee
$0.000000 Code Execution
502,000Total Tokens
$0.002598Cost per 1K
384,969Tokens per $
🔄 Cliff Pricing Active: Using Premium pricing (premium) based on token volume.
📊 Advanced Cost Breakdown

Processing Speed

97m 36s Processing Time
90 Tokens/Second
210ms Time to First Token
86 Effective Speed

Model Comparison

Select a model to see comparisons with competitors.

Model Information

Select a model to see detailed information.

🔄 Advanced Options

⚡ Optimization
Flat fee per session (e.g., $0.03 for Code Interpreter)
Hourly storage fee for cached data
First 50 hours free, $0.05/hour after
🧠 Reasoning & Thinking
Manual thinking tokens (billed at output rate)
🔧 Special Modes
Enable 6.0x Fast Mode multiplier
📚 Research & Citations
Enable $1.00/$4.00 rates + $10.00/1k search
Enable research tier pricing
Fee per source cited
🎤 Realtime Audio & Video
Session length for billing

Grok 4.5 xAI 🏔️ Context Cliff

$1.304000 (rounded ~ $1.30)
Total Cost
⚠️ Bulk Calculation: Total volume exceeds single-request limit of 500,000 tokens. Budgeting mode active.
⚡ 40% Cached 📊 Batch API 🔧 Tools
👁️
Vision/Images
✓ Available
🎧
Audio Processing
✗ Not Available
🎥
Video Analysis
✗ Not Available
🔧
Tool Usage
✓ Available
📄
OCR Support
✗ Not Available
📊
Batch API
✗ Not Available
⚡
Caching
✓ Available
90% savings

💰 Total Cost Calculation (from Plugin)

Base Cost (No Optimizations) $2.024000 (rounded ~ $2.02) Input: $2.000000
Output: $0.024000 (rounded ~ $0.02)
Optimized Cost $1.304000 (rounded ~ $1.30) Input: $2.000000
Output: $0.024000 (rounded ~ $0.02)
Unit: $0.000000
Fees: $0.000000
Total Savings $0.720000 35.6% discount

Advanced Cost Breakdown (from Plugin)

🏔️ Context Cliff
Premium Tier
>200,000 tokens triggered premium pricing
📊 Cliff Pricing
Premium
premium pricing (threshold: 200,000)

Detailed Cost Analysis (from Plugin)

For 500,000 input tokens and 2,000 output tokens:

  • Input Cost: $2.000000
  • Output Cost: $0.024000 (rounded ~ $0.02)
  • Total Cost: $1.304000 (rounded ~ $1.30)
  • Cost per 1K tokens: $0.002598
  • Tokens per dollar: 384,969 tokens
  • Context Window: 500000 tokens

Speed & Performance Analysis

With a processing speed of 90 tokens per second and 210ms time to first token:

  • Processing Time: 1 hour, 37 minutes, 36.85 seconds
  • Latency: 210 milliseconds to first token
  • Base Throughput: 90 tokens/second
  • Effective Throughput: 86 tokens/second (temperature-adjusted)

Best Use Cases

Ideal for engineering-heavy agentic workflows and repository-wide coding tasks requiring long-context reasoning.

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✨ Market Recommendations AI Model Registry

← Back to Grok 4.5
📋 Active Input Parameters
Input Tokens: 500,000
Output Tokens: 2,000
Batch API: Enabled (50% discount)
Cached Tokens: 40%
Tools: Enabled
Rank AI Model & Provider Total Cost vs Grok 4.5
🏆 Gemini 3.1 Flash Lite
Google
 $0.020750 Best Value ↓ 98.4% cheaper
🥈 Gemini 3.5 Flash-Lite
Google
 $0.025250 (rounded ~ $0.03) ↓ 98.1% cheaper
🥉 Gemini 2.5 Flash
Google
 $0.025250 (rounded ~ $0.03) ↓ 98.1% cheaper
#4 Gemini 3.8 Flash
Google
 $0.061875 (rounded ~ $0.06) ↓ 95.3% cheaper
#5 GPT-5.6 Luna
OpenAI
 $0.083000 (rounded ~ $0.08) ↓ 93.6% cheaper
#6 Gemini 3.6 Flash
Google
 $0.123750 (rounded ~ $0.12) ↓ 90.5% cheaper
#7 Gemini 3.5 Flash
Google
 $0.124500 (rounded ~ $0.12) ↓ 90.5% cheaper
#8 Claude Sonnet 5
Anthropic
 $0.165000 (rounded ~ $0.17) ↓ 87.3% cheaper
#9 Gemini 3.1 Flash
Google
 $0.166000 (rounded ~ $0.17) ↓ 87.3% cheaper
#10 GPT-5.6 Terra
OpenAI
 $0.207500 (rounded ~ $0.21) ↓ 84.1% cheaper
#11 Claude Sonnet 4.6
Anthropic
 $0.247500 (rounded ~ $0.25) ↓ 81% cheaper
#12 Claude Opus 4.7
Anthropic
 $0.412500 (rounded ~ $0.41) ↓ 68.4% cheaper
#13 Claude Opus 5
Anthropic
 $0.412500 (rounded ~ $0.41) ↓ 68.4% cheaper
#14 Claude Opus 4.8
Anthropic
 $0.412500 (rounded ~ $0.41) ↓ 68.4% cheaper
#15 Claude Opus 4.6
Anthropic
 $0.412500 (rounded ~ $0.41) ↓ 68.4% cheaper
#16 Gemini 2.5 Pro
Google
 $0.415000 (rounded ~ $0.42) ↓ 68.2% cheaper
#17 GPT-5.6 Sol
OpenAI
 $0.415000 (rounded ~ $0.42) ↓ 68.2% cheaper
#18 Grok 4.3
xAI
 $0.648000 (rounded ~ $0.65) ↓ 50.3% cheaper
#19 Grok 4.20 Beta
xAI
 $0.648000 (rounded ~ $0.65) ↓ 50.3% cheaper
#20 Gemini 3.1 Pro
Google
 $0.658000 (rounded ~ $0.66) ↓ 49.5% cheaper
#21 Claude Fable 5.1
Anthropic
 $0.787500 (rounded ~ $0.79) ↓ 39.6% cheaper
#22 Claude Mythos 5.1
Anthropic
 $0.787500 (rounded ~ $0.79) ↓ 39.6% cheaper
#23 GPT-5.4
OpenAI
 $0.822500 (rounded ~ $0.82) ↓ 36.9% cheaper
#24 GPT-5.4 Thinking
OpenAI
 $0.822500 (rounded ~ $0.82) ↓ 36.9% cheaper
#25 Claude Fable 5
Anthropic
 $0.825000 (rounded ~ $0.83) ↓ 36.7% cheaper
#26 Claude Mythos 5
Anthropic
 $0.825000 (rounded ~ $0.83) ↓ 36.7% cheaper
#27 GPT-5.5
OpenAI
 $1.645000 (rounded ~ $1.65) ↑ 26.2% more
#28 GPT-6 Astra
OpenAI
 $3.300000 ↑ 153.1% more
#29 GPT-6 Astra
OpenAI
 $3.300000 ↑ 153.1% more
🏆

Gemini 3.1 Flash Lite
Google

$0.020750
vs Grok 4.5: ↓ 98.4%
🥈

Gemini 3.5 Flash-Lite
Google

$0.025250 (rounded ~ $0.03)
vs Grok 4.5: ↓ 98.1%
🥉

Gemini 2.5 Flash
Google

$0.025250 (rounded ~ $0.03)
vs Grok 4.5: ↓ 98.1%
#4

Gemini 3.8 Flash
Google

$0.061875 (rounded ~ $0.06)
vs Grok 4.5: ↓ 95.3%
#5

GPT-5.6 Luna
OpenAI

$0.083000 (rounded ~ $0.08)
vs Grok 4.5: ↓ 93.6%
#6

Gemini 3.6 Flash
Google

$0.123750 (rounded ~ $0.12)
vs Grok 4.5: ↓ 90.5%
#7

Gemini 3.5 Flash
Google

$0.124500 (rounded ~ $0.12)
vs Grok 4.5: ↓ 90.5%
#8

Claude Sonnet 5
Anthropic

$0.165000 (rounded ~ $0.17)
vs Grok 4.5: ↓ 87.3%
#9

Gemini 3.1 Flash
Google

$0.166000 (rounded ~ $0.17)
vs Grok 4.5: ↓ 87.3%
#10

GPT-5.6 Terra
OpenAI

$0.207500 (rounded ~ $0.21)
vs Grok 4.5: ↓ 84.1%
#11

Claude Sonnet 4.6
Anthropic

$0.247500 (rounded ~ $0.25)
vs Grok 4.5: ↓ 81%
#12

Claude Opus 4.7
Anthropic

$0.412500 (rounded ~ $0.41)
vs Grok 4.5: ↓ 68.4%
#13

Claude Opus 5
Anthropic

$0.412500 (rounded ~ $0.41)
vs Grok 4.5: ↓ 68.4%
#14

Claude Opus 4.8
Anthropic

$0.412500 (rounded ~ $0.41)
vs Grok 4.5: ↓ 68.4%
#15

Claude Opus 4.6
Anthropic

$0.412500 (rounded ~ $0.41)
vs Grok 4.5: ↓ 68.4%
#16

Gemini 2.5 Pro
Google

$0.415000 (rounded ~ $0.42)
vs Grok 4.5: ↓ 68.2%
#17

GPT-5.6 Sol
OpenAI

$0.415000 (rounded ~ $0.42)
vs Grok 4.5: ↓ 68.2%
#18

Grok 4.3
xAI

$0.648000 (rounded ~ $0.65)
vs Grok 4.5: ↓ 50.3%
#19

Grok 4.20 Beta
xAI

$0.648000 (rounded ~ $0.65)
vs Grok 4.5: ↓ 50.3%
#20

Gemini 3.1 Pro
Google

$0.658000 (rounded ~ $0.66)
vs Grok 4.5: ↓ 49.5%
#21

Claude Fable 5.1
Anthropic

$0.787500 (rounded ~ $0.79)
vs Grok 4.5: ↓ 39.6%
#22

Claude Mythos 5.1
Anthropic

$0.787500 (rounded ~ $0.79)
vs Grok 4.5: ↓ 39.6%
#23

GPT-5.4
OpenAI

$0.822500 (rounded ~ $0.82)
vs Grok 4.5: ↓ 36.9%
#24

GPT-5.4 Thinking
OpenAI

$0.822500 (rounded ~ $0.82)
vs Grok 4.5: ↓ 36.9%
#25

Claude Fable 5
Anthropic

$0.825000 (rounded ~ $0.83)
vs Grok 4.5: ↓ 36.7%
#26

Claude Mythos 5
Anthropic

$0.825000 (rounded ~ $0.83)
vs Grok 4.5: ↓ 36.7%
#27

GPT-5.5
OpenAI

$1.645000 (rounded ~ $1.65)
vs Grok 4.5: ↑ 26.2%
#28

GPT-6 Astra
OpenAI

$3.300000
vs Grok 4.5: ↑ 153.1%
#29

GPT-6 Astra
OpenAI

$3.300000
vs Grok 4.5: ↑ 153.1%
✨ How recommendations work (v8.6.0): We scan all active models in the registry and only include those that support ALL your current inputs. For token-based models, we check if they can handle your token counts. For special pricing models (OCR, video, audio), we verify they have the correct pricing structure. Features marked requested were in your inputs but not supported by that model. Now using official provider pricing without reseller markups.

Grok 4.5, introduced in July 2026, has quickly become a focal point for engineers building agentic workflows that require deep context handling. With a 500K-token context window, it provides substantial space for maintaining long conversation states or analyzing large codebases, which is a common requirement for complex multi-agent orchestration tasks.

What sets Grok 4.5 apart in agentic settings is its integration with developer-centric tools. Having been trained alongside real-world software engineering interactions, it shows a strong capability for repository-wide refactoring and complex coding agent loops. When you are feeding 500K tokens of context into an agentic pipeline, you need a model that doesn’t just hold the data but reasons effectively across the entire span to identify dependencies and potential logic errors.

However, it is important to match Grok 4.5 to the right tasks. While it excels in structured engineering and coding, users should be mindful of its behavior in open-ended or highly creative tasks where its logic can differ from more generalized frontier models. For teams that have already adopted agentic architectures and are looking for a high-performance, developer-focused model to handle long-running sub-agent chains, Grok 4.5 offers a distinctive balance of reasoning and context availability that is difficult to replicate with smaller, faster models. It is particularly well-suited for backend feature work, migration tasks, and any scenario where the agent needs to inspect live codebases or multiple files before suggesting changes.

Frequently Asked Questions

How accurate are these AI model cost calculations?
Our calculations are based on official pricing from each provider (Google, OpenAI, Anthropic, Meta, xAI, Perplexity, DeepSeek, Mistral) and are updated regularly. We account for all factors including multimodal inputs, caching discounts, batch API pricing, tool usage multipliers, OCR processing, audio minutes, silence fees, and research mode pricing. Note: Reseller markups and dedicated instance multipliers have been removed to reflect official provider pricing.
How does prompt caching work?
Caching discounts vary by provider: Google and OpenAI offer 90% discounts on cached input tokens. Anthropic uses write (1.25x) and read (0.10x) multipliers. Savings are applied to the token portion only, not unit-based fees.
How do Market Recommendations work (v8.6.0)?
Our recommendation engine scans the entire model registry and only includes models that support ALL your current input parameters (tokens, images, video, audio, OCR, tools, batch API, etc.). It calculates exact costs with your settings and sorts by price, showing you the best value options that can handle your complete workflow. Special pricing models (OCR, video, audio, image generation) are properly handled and only appear when their specific input types are requested. v8.6.0 removes reseller markups (20% buffer) and dedicated instance multipliers to reflect official provider pricing.
What is the YemHub AI Calculator Tool?
The YemHub AI Calculator is the most comprehensive tool for estimating costs and comparing performance metrics across 50+ AI models. It calculates token-based pricing, analyzes multimodal processing, accounts for state-dependent pricing (context cliffs, tiered tunnels), provides optimization recommendations, and now offers intelligent market matching to find the best alternatives for your specific needs.

Related model pricing

Grok 4.5 currently costs $2.00 / $6.00 per 1M tokens. These are the models worth pricing against it, taken live from the tracked registry.

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