Grok 4.6 vs Grok 4.7

$1.14 / task
Wins 2 of 5 benchmarks
$1.25 / task
Wins 1 of 5 benchmarks
Different efforts: medium · low · Compare all at high
MMMU-Pro (vision) MMMU-Pro (vision): College-level questions that require understanding images: charts, diagrams, photos
Grok 4.6—
Grok 4.778.2
Chartography Chartography: Expert chart reasoning over professional scientific, medical, financial and engineering charts
Grok 4.6 · xhigh20.5
Grok 4.7 · xhigh14.7
GDP.pdf · AA all-pass GDP.pdf · AA all-pass: Models reason over professional PDF documents; an attempt passes only when every atomic criterion passes
Grok 4.617.8
Grok 4.721.4
Arena Vision · overall Arena Vision · overall: Human pairwise preferences in the stated vision vote pool
Grok 4.6 · high1,263
Grok 4.7 · xhigh1,231
Arena Document · overall Arena Document · overall: Human pairwise preferences in the stated document vote pool
Grok 4.6 · high1,452.3
Grok 4.7—

Specs

SpecGrok 4.6Grok 4.7
Input, per 1M$2$2
Output, per 1M$6$6
Cost per task?$1.14$1.25
Speed, tok/s6880
Context500K500K
WeightsClosedClosed
ReleasedAug 2026Sep 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 4.6 → 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.

Grok 4.7 → Grok 4.6
Nothing known.