Retired on May 15, 2026.
No longer served on the endpoint we price — the figures below are kept for historical
reference only. Replaced by Grok 4.3. Full retirement status & replacements →
Availability: Retired 2026-05-15; the grok-4 slug still resolves but is served by grok-4.3, so any price or benchmark attributed to grok-4 is wrong.
Today's price · per 1M tokens
Input
$3.00
per 1M tokens
Output
$15.00
per 1M tokens
Blended
$6.00
blended $/1M — 3:1 weighted input:output
Source: official xAI pricing · read Jun 25, 2026
MODELPRICEWATCH.COM · 2026-08-09
Overview
Original Grok 4. $3/$15 per 1M tokens.
Capabilities
struck through = not supportedInput 2/5
Text ✓
Image ✓
Audio
Video
PDF
Output 1/5
Text ✓
Image
Audio
Video
Embedding
Features 2/9
Prompt caching
Reasoning
Coding
Fast inference
Long context ✓
Open weights
Multimodal ✓
Web search
Realtime
Benchmark performance
accuracy % · higher is betterAvg benchmark score63%
Perf per $/Mtok10.5
GPQA Diamond
87.5%
SWE-Bench Verified
55%
Terminal-Bench 2.1
27.2%
LiveCodeBench
79%
Humanity's Last Exam
25.4%
ARC-AGI 2
16%
AIME 2025
91.7%
MMMLU
82%
BFCL
72%
HumanEval
75%
MATH 500
82%
Independent composite scores
- LMSYS Chatbot Arena: 1409.4 ELO (Human preference)
How it stacks up
- Ranks #44 of 67 benchmarked models by average score
- Ranks #70 of 151 comparably-measured models by percentile score, across 12 independent measurements
- Ranks #132 of 151 comparably-tested models by normalized performance per dollar
- Strongest at MATH 500 — 82%, #4 of 23
52 tokens/sec output 13.3s latency to first token (TTFT)
Source: Vellum LLM Leaderboard · updated Aug 9, 2026 · See full rankings →
Specifications
- Provider
- xAI
- Context window
- 256K tokens
- Modality
- text, image
- Parameters
- Proprietary
- Open source
- No — proprietary
- Released
- Jul 9, 2025
- Status
- Retired ended May 15, 2026
- Last updated
- Jun 25, 2026
- Tags
Availability verified: Jul 25, 2026 — per xAI's own deprecation notice