modelbenchmark.io

Grok 4.3

xAI · grok-4-3

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xAI's Grok for chat, coding, agentic tools, and lower hallucination risk

Specification

xai listing

Context
1M
Max output
30K
Released
2026-04-17
Knowledge cutoff
2024-11
Retires
Open weights
no
Input
text, image, pdf
Output
text

Price

US dollars per million tokens · xai list price

Input
$1.25
Output
$2.50
Cache read
$0.20
Cache write
$1.25

Long-context price tiers

the rate above each context threshold

AbovePrice$/M
200KCache read$0.40
200KInput$2.50
200KOutput$5.00

Quality

1 benchmark · 1 source

Composite
0th
percentile of 334 scored models
Rank
333 / 334
±0.53 sd
Evidence
1 × 1
too little evidence to place with confidence
Effort range
one configuration only
general0th1/1 bench

Every score

one row per source and configuration — nothing averaged away

BenchmarkScoreConfigurationSourceRun
LiveBench63.3default · 23 runsLiveBench2026-06-25

The leading figure for a benchmark is the median across its configurations, so one heroic high-effort run cannot set the number.

Available from 35 hosts

HostIn $/MOut $/MCache rdCache wrContextOutputRetires
xaivendor$1.25$2.50$0.201M
30K
1M
302ai$1.25$2.501M30K
abacus$1.25$2.50$0.201M33K
aihubmix$1.25$2.50$0.201M1M
amazon-bedrock$1.25$2.50$0.201M131K
auriko$1.25$2.50$0.201M30K
azure_ai$1.25$2.50$0.20200K200K
bedrock_mantle · bedrock-mantle
$1.25
$1.50
$2.50
$3.00
$0.20
$0.24
131K16K
cloudflare-ai-gateway$1.25$2.50$0.201M30K
crossmodel · x-ai$1.25$2.50$0.20$1.251M1M
daoxe$1.25$2.50$0.201M30K
edenai$1.25$2.50$0.201M30K
fastrouter · x-ai$1.25$2.501M30K
frogbot$1.25$2.50$0.201M128K
google-vertex$1.25$2.50$0.20200K30K
impossibl$1.25$2.50$0.201M30K
kilo · x-ai$1.25$2.50$0.201M900K
llmgateway$1.25$2.50$0.201M30K
llmgateway-providers$1.25$2.50$0.201M1M
llmgateway-providers · aws-bedrock$1.25$2.50$0.201M131K
llmgateway-providers · azure-ai-foundry$1.25$2.50$0.2020K8K
merge-gateway$1.25$2.50$0.201M1M
nano-gpt · x-ai$1.25$2.50$0.201M900K
ofox · x-ai$1.25$2.50$0.201M30K
openrouter$1.25$2.50$0.201M1M
openrouter · x-ai$1.25$2.50$0.201M900K
opper$1.25$2.50$0.201M30K
orcarouter · grok$1.25$2.50$0.201M30K
perplexity$1.25$2.50$0.20
requesty$1.25$2.50$0.20$1.251M1M
vercel · spacexai$1.25$2.50$0.201M1M
vertex_ai$1.25$2.50$0.20200K200K
zenmux · x-ai$1.25$2.50$0.20free1M1M
venice$1.42$2.83$0.231M32K
anyapi1M30K

Price history

append-only observations · a listing writes a row only when its price moves

DateHostField$/M
2026-09-02bedrock_mantle · bedrock-mantleCache read$0.20
2026-09-04bedrock_mantle · bedrock-mantleCache read$0.20
2026-09-02bedrock_mantle · bedrock-mantleInput$1.25
2026-09-04bedrock_mantle · bedrock-mantleInput$1.25
2026-09-02bedrock_mantle · bedrock-mantleOutput$2.50
2026-09-04bedrock_mantle · bedrock-mantleOutput$2.50

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