Grok 4 0709 vs Grok 4.7

Wins 0 of 5 benchmarks
$1.25 / task
Wins 0 of 5 benchmarks
Grok 4 0709—
Grok 4.739.2
Grok 4 0709—
Grok 4.716.2
Grok 4 0709—
Grok 4.756.7
Grok 4 0709—
Grok 4.7at xhigh1,424
Grok 4 0709—
Grok 4.778.2

Specs

SpecGrok 4 0709Grok 4.7
Input, per 1M!$3$2
Output, per 1M!$15$6
Cost per task?—$1.25
Speed, tok/s—80
Context256K500K
WeightsNot verifiedClosed
Released—Sep 2026
See images✓✓
Read PDFs—Partial
Hear audio——
Watch video——
Call tools✓✓
Force a tool call?Partial
Return strict JSON✓✓
Search the web?✓
Run code??
Use a computer??

What breaks when you switch

Grok 4 0709 → 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 0709
Context: 500K → 256K