Grok 4.7 vs Grok Build 0.1

$1.25 / task
Wins 2 of 5 benchmarks
Wins 0 of 5 benchmarks
Different efforts: low · thinking
Humanity's Last Exam Humanity's Last Exam: Very hard expert questions across many fields, written to stump today’s models
Grok 4.739.2
Grok Build 0.138.3
Terminal-Bench 4.0 Terminal-Bench 4.0 · source setting 2: Agents use a terminal to complete executable coding, system administration and research tasks in the 4.0 suite
Grok 4.716.2
Grok Build 0.1—
AutomationBench-AA AutomationBench-AA: Agents orchestrate SaaS workflows through APIs; objectives receive credit only when the task has no guardrail violation
Grok 4.756.7
Grok Build 0.1—
Arena Text · creative writing Arena Text · creative writing: Human pairwise preferences in the stated text vote pool
Grok 4.7 · xhigh1,424
Grok Build 0.1—
MMMU-Pro (vision) MMMU-Pro (vision): College-level questions that require understanding images: charts, diagrams, photos
Grok 4.778.2
Grok Build 0.176.5

Specs

SpecGrok 4.7Grok Build 0.1
Input, per 1M$2$1
Output, per 1M$6$2
Cost per task?$1.25—
Speed, tok/s8066
Context500K256K
WeightsClosedClosed
ReleasedSep 2026Apr 2026
See images✓✓
Read PDFsPartialPartial
Hear audio——
Watch video——
Call tools✓✓
Force a tool callPartialPartial
Return strict JSON✓✓
Search the web✓?
Run code??
Use a computer??

What breaks when you switch

Grok 4.7 → Grok Build 0.1
Context: 500K → 256K
Grok Build 0.1 → Grok 4.7
Reasoning cannot be disabled›

Reasoning cannot be disabled; choose low, medium, high or xhigh effort.

Penalties and stop return error›

presencePenalty, frequencyPenalty and stop cannot be used with reasoning models; requests containing them return an error.

Set prompt_cache_key›

Set prompt_cache_key or the Chat Completions x-grok-conv-id header to keep a conversation on the same server and improve cache hits.

Pass reasoning items back unchanged · Responses›

Responses always returns encrypted reasoning even without include; pass the reasoning items back unchanged in the next request.

10% premium · US regional endpoint›

The US regional endpoint keeps inference in the United States and adds a 10% token-price premium.