Today's price · per 1M tokens
Input
$1.25
per 1M tokens
Output
$2.50
per 1M tokens
Blended
$1.88
avg of input & output $/1M
Source: official xAI pricing · read Jun 25, 2026
MODELPRICEWATCH.COM · 2026-08-01
Overview
xAI's reasoning-first flagship with a 1M-token context and native video input (an xAI first), priced aggressively at roughly 5–10x cheaper than competing frontier models. $1.25/$2.50 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 score72.4%
Perf per $/Mtok38.6
GPQA Diamond
80%
SWE-Bench Verified
65%
Humanity's Last Exam
38%
ARC-AGI 2
42%
AIME 2025
85%
MMMLU
86%
BFCL
78%
HumanEval
90%
MATH 500
88%
Independent composite scores
- AA Intelligence Index: 37.6 (Artificial Analysis composite across reasoning, knowledge and coding evals)
- AA Agentic Index: 24.1 (Tool use, planning, autonomy)
- AA-Omniscience Index: 18.3 (−100–100)
- LMSYS Chatbot Arena: 1442.4 ELO (Human preference)
How it stacks up
- Ranks #27 of 68 benchmarked models by average score
- Ranks #27 of 133 comparably-measured models by percentile score, across 13 independent measurements
- Ranks #44 of 133 comparably-tested models by normalized performance per dollar
- Strongest at BFCL — 78%, #3 of 23
130 tokens/sec output
Source: xAI model card, Artificial Analysis · updated May 15, 2026 · See full rankings →
Specifications
- Provider
- xAI
- Context window
- 1M tokens
- Modality
- text, image
- Parameters
- Proprietary
- Open source
- No — proprietary
- Released
- Apr 30, 2026
- Status
- Current
- Last updated
- Jun 25, 2026
- Tags
Availability verified: Not re-verified. We have no recent evidence that xAI still lists this model — treat availability as unconfirmed.