Grok model for agentic tool use, reasoning, coding, and live assistance
Specification
xai listing
Context
256K
Max output
256K
Released
2025-07-09
Knowledge cutoff
2024-07
Retires
2026-05-15
Open weights
no
Input
text, image
Output
text
Price
US dollars per million tokens · xai list price
Input
$1.25
Output
$2.50
Cache read
$0.20
Cache write
$15.00
Long-context price tiers
the rate above each context threshold
| Above | Price | $/M |
|---|---|---|
| 200K | Cache read | $0.40 |
| 200K | Input | $2.50 |
| 200K | Output | $5.00 |
Quality
6 benchmarks · 2 sources
Composite
82nd
percentile of 334 scored models
Rank
61 / 334
±0.07 sd
Evidence
6 × 2
3 or more benchmarks, from 2 or more sources
Effort range
—
one configuration only
coding98th1/3 bench
reasoning91st2/4 bench
math62nd3/7 bench
Every score
one row per source and configuration — nothing averaged away
| Benchmark | Score | Configuration | Source | Run |
|---|---|---|---|---|
| Aider polyglot | 79.6 | high · aider diff | Aider | 2025-07-11 |
| GPQA diamond | 87.0 ±2.0 | default | Epoch AI | — |
| OTIS Mock AIME 2024-2025 | 84.0 ±5.0 | default | Epoch AI | — |
| Chess Puzzles | 28.0 ±4.5 | default | Epoch AI | 2026-01-30 |
| FrontierMath-v1 | 19.7 ±2.3 | default | Epoch AI | 2025-11-13 |
| FrontierMath-Tier-4-2025-07-01 | 1.0 ±0.0 | default · 2 runs | Epoch AI | 2025-08-11 |
The leading figure for a benchmark is the median across its configurations, so one heroic high-effort run cannot set the number.
Available from 14 hosts
| Host | In $/M | Out $/M | Cache rd | Cache wr | Context | Output | Retires |
|---|---|---|---|---|---|---|---|
| xaivendor | $1.25 | $2.50 | $0.20 | — | 256K | 256K | 2026-05-15 |
| jiekou | $2.70 | $13.50 | — | — | 256K | 8K | — |
| abacus | $3.00 | $15.00 | — | — | 256K | 16K | — |
| azure_ai | $3.00 | $15.00 | — | — | 131K | 131K | — |
| fastrouter · x-ai | $3.00 | $15.00 | $0.75 | $15.00 | 256K | 64K | — |
| helicone | $3.00 | $15.00 | $0.75 | — | 256K | 256K | — |
| llmgateway | $3.00 | $15.00 | $0.75 | — | 256K | 256K | — |
| llmgateway-providers | $3.00 | $15.00 | $0.75 | — | 256K | 256K | — |
| oci · oci | $3.00 | $15.00 | — | — | 128K | 128K | — |
| openrouter | $3.00 | $15.00 | — | — | 256K | 256K | — |
| poe | $3.00 | $15.00 | $0.75 | — | 256K | 128K | — |
| vercel_ai_gateway · vercel-ai-gateway | $3.00 | $15.00 | — | — | 256K | 256K | — |
| zenmux · x-ai | $3.00 | $15.00 | $0.75 | — | 256K | 64K | — |
| replicate · replicate | $7.20 | $36.00 | — | — | — | — | — |
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