Grok/Mid-tier

Grok 4.3

Grok 4.3 is Grok's balanced performance model, priced at $1.25/MTok input and $2.50/MTok output with a 1,000K context window. xAI publishes no release date for this model; dated to the March 4.20-generation launch whose pricing and 1M context window it shares. Priced from the live models table, which is what matters for costing traffic.

Input $/MTok

$1.25

Output $/MTok

$2.50

Context window

1,000K

Cache read discount

84% off

Grok 4.3 pricing breakdown

RateInput $/MTokOutput $/MTok
Standard$1.25$2.50
Cached read (84% off input)$0.20-
Cached write (no surcharge)$1.25-
Batch (50% off)$0.63$1.25
Long context (≥200K tokens)$2.50$5.00

All rates in USD per million tokens. Prices verified against provider documentation.

Grok 4.3 task benchmarks

Confidence scores (0-100) and cross-provider rank for each task type. Rank 1 is best across all 20 models.

Not benchmarked. The third-party benchmark source used for confidence scores does not cover Grok models yet. Scores will appear here once independent benchmarks are published.

Grok 4.3 cost by use case

Estimated cost per API call using default token counts for each workload.

Use caseInput tokensOutput tokensCost / call
Code Generation2,0004,000$0.0125
Unit Test Generation3,0005,000$0.0163
SQL Generation1,5001,000$0.004375
API Generation3,0006,000$0.0187
Code Refactoring4,0004,000$0.0150
Code Review5,0002,000$0.0112
PR Review8,0003,000$0.0175
Security Review6,0002,500$0.0138
Bug Detection5,0002,000$0.0112
Document Summarization10,0001,000$0.0150
PDF Summarization15,0001,500$0.0225
Meeting Notes8,0002,000$0.0150

Monthly cost projections

Projected monthly spend at different call volumes, using code generation as a representative workload (2,000 input / 4,000 output tokens per call).

Calls / monthWithout cachingWith caching (84% read discount)
1K$12.5$11.03
10K$125$110.3
100K$1,250$1,103
500K$6,250$5,515
1M$12,500$11,030

Caching estimate assumes 70% of input tokens are cache reads. Your actual cache hit rate will depend on prompt structure and reuse.

Mid-tier alternatives to Grok 4.3

Same-tier models from other providers, sorted by input price.

ModelProviderInput $/MTokOutput $/MTokInput savings
Claude Sonnet 5Claude$2.00$10.0060% more
GPT 5.6 TerraGPT$2.00$12.0060% more
Gemini 3.1 ProGemini$2.00$12.0060% more
GPT 5.4GPT$2.50$15.00100% more
Claude Sonnet 4.6Claude$3.00$15.00140% more

Grok 4.3 pricing history

Input launched

$1.25/MTok at launch

Mar 1, 2026

View full Grok 4.3 pricing history

Track your Grok 4.3 spend

See exactly how much you spend on Grok 4.3 and where you can save. Two-line wrapper install, no API keys shared.