Grok 4.3
Grok 4.3 is a reasoning model from SpaceXAI. It accepts text and image inputs with text output, and is suited for agentic workflows, instruction-following tasks, and applications requiring high factual...
Input / 1M
$1.25
Output / 1M
$2.50
Context
1M
AA Intelligence
24.9
Pricing
via OpenRouter · USD per 1M tokens · synced 2026-10-24$1.25
input / 1M
$2.50
output / 1M
$0.20
cached input / 1M
$3.75
1M in + 1M out
:batch variant
$1.00 in · $2.00 out
Price tiers
- Above 200K prompt tokens: input $2.50/M, output $5.00/M (2× base)
- Context window
- 1,000,000 tokens
- Max output
- 900,000 tokens
- Providers
- 1
- Cheapest provider
- xAI · $1.25 / $2.50
- Best throughput
- —
- AA Intelligence / Coding / Agentic
- 24.9 / 42.2 / 15.5
✓ Tool calling
✓ Reasoning
✓ Structured outputs
✓ Image input
✓ File input
✗ Audio input
✓ Prompt caching
Price history
tracking started — chart appears after 7 days of snapshots (6 recorded)Current: $1.25 input · $2.50 output per 1M tokens
Benchmarks
Third-party indices as published through OpenRouter — Artificial Analysis and Design Arena. Not measured by us.
- AA Intelligence Index
- 24.9
- AA Coding Index
- 42.2
- AA Agentic Index
- 15.5
Design Arena
CategoryEloWin %Rank
agenticgamedev
1007
28.7%
#24
agentichtmlslides
1066
31.8%
#9
agenticslides
1072
31.9%
#9
agenticslides(html)
1066
31.7%
#9
agenticslides(python-pptx)
1068
32.4%
#9
androidnative
964
22.7%
#38
blender3d
809
12%
#21
fullstack
1006
28.1%
#40
godotgamedev
914
20.7%
#36
htmlslides
905
28.4%
#25
mobileapps
1058
33.4%
#45
pptxslides
1071
32.5%
#8
python-pptxslides
1072
30.8%
#27
spreadsheet
942
31.8%
#20
webapps
1126
42.8%
#33
3d
1125
40.8%
#81
asciiart
1125
42.6%
#54
codecategories
1186
43.6%
#63
dataviz
1179
45%
#66
gamedev
1174
43%
#65
svg
1081
37.1%
#67
uicomponent
1190
44.9%
#62
website
1195
44.1%
#66
Providers
1 provider · per 1M tokens · last 30 min metrics| Provider | Quant | Context | Input | Output | Uptime | Tok/s |
|---|---|---|---|---|---|---|
| xAI | unknown | 1M | $1.25 | $2.50 | 100% | — |
| xAI | unknown | 1M | $1.25 | $2.50 | 100% | — |
| xAI | unknown | 1M | $2.50 | $5.00 | — | — |
| xAI | unknown | 1M | $2.50 | $5.00 | — | — |
Provider data from OpenRouter's endpoint listing, refreshed daily.
Specifications
- Organisation
- x-ai
- Released on OpenRouter
- 2026-04-30
- Context window
- 1,000,000 tokens
- Max output
- 900,000 tokens
- Input
- text, image, file
- Output
- text
- Tokenizer
- Grok
- Moderated by provider
- No
- OpenRouter id
- x-ai/grok-4.3
Compare with
Popular comparisons
Prices, context and providers from the public OpenRouter API, snapshotted daily; benchmark indices from Artificial Analysis. See /methodology.