Grok 4.20 Multi-Agent
Grok 4.20 Multi-Agent is tuned for collaborative agentic workflows while keeping the same 2M-token context window and multimodal support. Content policy rejections can still be charged: SpaceXAI may pass through a $0.05 moderation-failure fee, or a $0.055 usage-guidelines violation fee, depending on which rejection upstream returns.
- Reasoning
- Vision
- Structured Output
Added Mar 31, 2026
Pricing
Auto routing · per 1M tokens- Input
- $1.25
- Output
- $2.50
- Cache read
- $0.20
Specifications
- Context window
- 2M
- Max output
- 131.1K
Benchmarks
Benchmarks
Sourced from LMArena.
Arena Score
1471.1
Overall Rank
#49 / 421
Votes
64,252
Confidence Interval
1467.3 - 1474.8
Category Scores
Coding
#62 / 416
17,840 votes
1508.5
Math
#70 / 404
3,348 votes
1455.0
Longer Query
#79 / 399
27,604 votes
1458.3
Creative Writing
#45 / 419
11,140 votes
1447.2
Instruction Following
#77 / 421
21,725 votes
1444.2
Hard Prompts
#60 / 421
41,707 votes
1484.0
Additional Categories22
Polish
#36 / 244
1,314 votes
1479.4
French
#37 / 301
2,234 votes
1491.9
Korean
#38 / 289
998 votes
1435.7
Russian
#40 / 385
7,076 votes
1478.5
German
#41 / 320
1,056 votes
1474.8
Non English
#45 / 421
34,959 votes
1460.6
Spanish
#48 / 303
1,981 votes
1465.3
Exclude Ties
#50 / 421
48,621 votes
1478.1
English
#54 / 421
29,292 votes
1473.3
Industry Entertainment And Sports And Media
#54 / 419
14,007 votes
1439.6
Multi Turn
#54 / 419
10,550 votes
1474.3
Industry Medicine And Healthcare
#55 / 390
4,776 votes
1481.9
Industry Software And It Services
#55 / 421
25,324 votes
1502.4
Industry Legal And Government
#61 / 393
5,136 votes
1470.4
Industry Life And Physical And Social Science
#62 / 419
10,555 votes
1479.9
Industry Business And Management And Financial Operations
#69 / 414
12,771 votes
1454.9
Industry Writing And Literature And Language
#69 / 420
15,976 votes
1443.8
Expert
#71 / 371
6,419 votes
1482.6
Industry Mathematical
#75 / 401
3,487 votes
1458.1
Chinese
#76 / 395
3,969 votes
1493.4
Hard Prompts English
#76 / 419
19,769 votes
1480.7
Japanese
#77 / 288
618 votes
1417.4
Published 2026-11-09 · Matched as Grok 4.20 Multi-Agent Beta (0309) · CC BY 4.0
LMArena DatasetLeaderboard results
| Benchmark | Score | Rank on NanoGPT |
|---|---|---|
UGI Leaderboard UGI Leaderboard data, Apache-2.0 · Updated Oct 16, 2026 | ||
UGI Score | 70.0 | #1 of 149 |
UGI Willingness | 6.5 | #18 of 149 |
UGI Writing | 63.1 | #29 of 149 |
Filtered and ranked to models on NanoGPT.
Providers
| $1.25 | $2.50 | $0.20 | N/A | N/A | |
| $1.25 | $2.50 | $0.20 | N/A | N/A |