xAI: Grok 4.5
Released Jul 8, 2026text+image+file→text
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Grok 4.5 is SpaceXAI's smartest model with frontier performance on coding, knowledge work, and STEM.
Best overall rank
#6
▼ 2 vs 7d ago
Total arena votes
44,155
Across 29 (subset, category) entries
Providers on OR
4
xAI + others
First seen
2026-07-10
9 days tracked
Trend
Pricing
Per token
- Input (per 1M)
- $2.00
- Output (per 1M)
- $6.00
- Cache Read (per 1M)
- $0.300
Per unit
- Web search
- $0.0050/call
Capabilities
Modality
text+image+file->textContext
500K tokens
Tokenizer
Grok
Moderation
Unmoderated
Supported parameters
frequency_penalty
include_reasoning
logprobs
max_tokens
presence_penalty
reasoning
reasoning_effort
response_format
seed
stop
structured_outputs
temperature
tool_choice
tools
top_logprobs
top_p
Providers
| Provider | Region / Tag | Context | Input/M | Output/M | Uptime 1d | Latency | Quant | Cache |
|---|---|---|---|---|---|---|---|---|
| xAI | xai/zdr | 500K | $2.00 | $6.00 | 99.87% | - | - | - |
| xAI | xai/zdr/priority | 500K | $4.00 | $12.00 | 99.87% | - | - | - |
| xAI | xai | 500K | $2.00 | $6.00 | 99.83% | - | - | - |
| xAI | xai/priority | 500K | $4.00 | $12.00 | 99.83% | - | - | - |
Per-category ranks
Text
| Rank | Category | Variant | Trend | Elo | Votes |
|---|---|---|---|---|---|
| ★ #4 | Math | - | 1509 | 214 | |
| #6 | Industry Mathematical | - | 1505 | 252 | |
| #15 | Chinese | - | 1524 | 262 | |
| #15 | Industry Life And Physical And Social Science | - | 1497 | 833 | |
| #19 | Expert | - | 1505 | 587 | |
| #22 | Coding | - | 1519 | 1,662 | |
| #22 | Longer Query | - | 1485 | 2,463 | |
| #27 | Industry Writing And Literature And Language | - | 1455 | 1,363 | |
| #27 | Russian | - | 1472 | 611 | |
| #28 | Non English | - | 1445 | 3,246 | |
| #29 | Instruction Following | - | 1462 | 1,856 | |
| #32 | Industry Business And Management And Financial Operations | - | 1462 | 1,063 | |
| #34 | Industry Software And It Services | - | 1500 | 2,252 | |
| #34 | Overall | - | 1465 | 5,493 | |
| #35 | Exclude Ties | - | 1471 | 4,159 | |
| #37 | Hard Prompts | - | 1485 | 3,612 | |
| #39 | English | - | 1469 | 2,260 | |
| #40 | Industry Entertainment And Sports And Media | - | 1434 | 1,326 | |
| #41 | Creative Writing | - | 1438 | 961 | |
| #42 | Spanish | - | 1454 | 167 | |
| #44 | Industry Medicine And Healthcare | - | 1477 | 381 | |
| #45 | Industry Legal And Government | - | 1466 | 420 | |
| #47 | Hard Prompts English | - | 1481 | 1,456 | |
| #50 | Multi Turn | - | 1466 | 945 | |
| #69 | French | - | 1455 | 187 |
WebDev
| Rank | Category | Variant | Trend | Elo | Votes |
|---|---|---|---|---|---|
| ★ #4 | Webdev-html | - | 1590 | 176 | |
| #6 | Overall | - | 1558 | 2,214 | |
| #6 | Webdev | - | 1558 | 2,214 | |
| #7 | Webdev-react | - | 1552 | 1,520 |