Grok 4.3
x-ai
Score awaiting verification
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.
No tier assessment yet. Models awaiting tier review remain in the catalog. An unassigned tier does not mean weaker capability.
Capabilities & Recommended Uses
Strengths
- •Strong reasoning capability
- •Good at creative coding
- •Large context window
- •Competitive pricing
Best For
- •Reasoning tasks
- •Creative coding
- •Problem decomposition
- •Full-stack development
Weaknesses
- •Less proven on enterprise codebases
- •Newer model with less community validation
Compare with Alternatives
Frequently Asked Questions
What is Grok 4.3's coding score and ranking tier?
Grok 4.3 by x-ai is rated as Tier Pending on ModelRank with a coding score of Score awaiting verification 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 4.3?
Grok 4.3 features a 1,000,000 token context window. Pricing is $1.25 per 1M input tokens and $2.5 per 1M output tokens (OpenRouter quote).
What programming tasks is Grok 4.3 best suited for?
Grok 4.3 is recommended for: Reasoning tasks, Creative coding, Problem decomposition, Full-stack development. Key strengths include: Strong reasoning capability, Good at creative coding, Large context window, Competitive pricing.
Try Grok 4.3
Last updated: October 11, 2026