Grok/Fast / Budget

Grok Build 0.1

Grok Build 0.1 is Grok's fastest and most affordable model, priced at $1.00/MTok input and $2.00/MTok output with a 256K context window. xAI's coding-specialised model and the cheapest Grok row on output. Released in early access; xAI publishes release notes at month granularity only.

Input $/MTok

$1.00

Output $/MTok

$2.00

Context window

256K

Cache read discount

80% off

Grok Build 0.1 pricing breakdown

RateInput $/MTokOutput $/MTok
Standard$1.00$2.00
Cached read (80% off input)$0.20-
Cached write (no surcharge)$1.00-
Batch (50% off)$0.50$1.00
Long context (≥200K tokens)$2.00$4.00

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

Grok Build 0.1 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 Build 0.1 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$0.0100
Unit Test Generation3,0005,000$0.0130
SQL Generation1,5001,000$0.003500
API Generation3,0006,000$0.0150
Code Refactoring4,0004,000$0.0120
Code Review5,0002,000$0.009000
PR Review8,0003,000$0.0140
Security Review6,0002,500$0.0110
Bug Detection5,0002,000$0.009000
Document Summarization10,0001,000$0.0120
PDF Summarization15,0001,500$0.0180
Meeting Notes8,0002,000$0.0120

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 (80% read discount)
1K$10$8.88
10K$100$88.8
100K$1,000$888
500K$5,000$4,440
1M$10,000$8,880

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

Fast / Budget alternatives to Grok Build 0.1

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

ModelProviderInput $/MTokOutput $/MTokInput savings
GPT 5.6 LunaGPT$0.20$1.2080% cheaper
Gemini 3.5 Flash-LiteGemini$0.30$2.5070% cheaper
Gemini 3 FlashGemini$0.50$3.0050% cheaper
Claude Haiku 4.5Claude$1.00$5.00Same price
Gemini 3.5 FlashGemini$1.50$9.0050% more

Grok Build 0.1 pricing history

Input launched

$1.00/MTok at launch

May 1, 2026

View full Grok Build 0.1 pricing history

Track your Grok Build 0.1 spend

See exactly how much you spend on Grok Build 0.1 and where you can save. Two-line wrapper install, no API keys shared.