Grok 4.5
x-ai
Cross-checked
DeepSeek V4 Flash 0731 = 100. The index reflects two shared tests, not capability multiples or statistically established gaps. Results reflect particular model configurations. Agent harnesses, reasoning effort, tools, budgets and tasks may differ. Close indices do not establish superiority. B describes a relative position in this selected group, not an inability to code.
Capabilities & Recommended Uses
Strengths
- •xAI's smartest coding model with frontier reasoning
- •Strong at full-stack and game development tasks
- •Excellent agentic coding across diverse environments
- •Competitive pricing for flagship reasoning
Best For
- •Full-stack development
- •Agentic coding workflows
- •Reasoning-intensive tasks
- •Creative coding and game dev
Weaknesses
- •Less proven on enterprise codebases
- •Smaller ecosystem than OpenAI/Anthropic
Benchmark evidence and ranking method · Grok 4.5
Cross-checked
Terminal-Bench 4.0 · Grok Build · high: 12.42% · 95% CI ± 2.62%
Artificial Analysis · Grok 4.5 (high)
Test configuration: high
Terminal-Bench 2.1: 81.65% · SciCode: 54.98%
LiveBench · 2026-06-25 · grok-4.5
Coding: 68.59% · Agentic Coding: 56.46%
ModelRank assigns editorial tiers using public coding evidence, not automatic index thresholds or statistically proven classes. Price, speed, context size and sponsorship do not affect tiers.
DeepSeek V4 Flash 0731 = 100. The index reflects two shared tests, not capability multiples or statistically established gaps.
Results reflect particular model configurations. Agent harnesses, reasoning effort, tools, budgets and tasks may differ. Close indices do not establish superiority. B describes a relative position in this selected group, not an inability to code.
Data checked: 2026-09-10. Snapshot date is the retrieval date, not necessarily the evaluation date.
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Frequently Asked Questions
What is Grok 4.5's coding score and ranking tier?
Grok 4.5 by x-ai is rated as Tier A+ on ModelRank with a coding score of 106.47 (Reference baseline = 100) as a reference index derived from public benchmark evidence. Tiers are editorial assessments; the index does not establish real-world capability differences.
What is the API pricing and context window for Grok 4.5?
Grok 4.5 features a 500,000 token context window. Pricing is $2 per 1M input tokens and $6 per 1M output tokens (OpenRouter quote).
What programming tasks is Grok 4.5 best suited for?
Grok 4.5 is recommended for: Full-stack development, Agentic coding workflows, Reasoning-intensive tasks, Creative coding and game dev. Key strengths include: xAI's smartest coding model with frontier reasoning, Strong at full-stack and game development tasks, Excellent agentic coding across diverse environments, Competitive pricing for flagship reasoning.
Try Grok 4.5
Last updated: October 11, 2026