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

Batch and priority prices

US dollars per million tokens · per listing

PriceListing$/M
Batch inputxai$1.00
Batch inputbedrock_mantle · bedrock-mantle$0.625
Batch outputxai$2.00
Batch outputbedrock_mantle · bedrock-mantle$1.25
Priority inputbedrock_mantle · bedrock-mantle$2.1875
Priority outputbedrock_mantle · bedrock-mantle$4.375

Batch input is 20% below the interactive input price at the same listing.

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
2nd
percentile of 344 scored models
Rank
339 / 344
±0.56 sd
Evidence
1 × 1
too little evidence to place with confidence
Effort range
—
one configuration only
general2nd1/1 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 38 hosts

HostIn $/MOut $/MCache rdCache wrContextOutputRetires
xaivendor$1.25$2.50$0.20—1M
30K
1M
—
302ai$1.25$2.50——1M30K—
abacus$1.25$2.50$0.20—1M33K—
aihubmix$1.25$2.50$0.20—1M30K—
amazon-bedrock$1.25$2.50$0.20—1M131K—
auriko$1.25$2.50$0.20—1M30K—
azure_ai$1.25$2.50$0.20—200K8K—
bedrock_mantle · bedrock-mantle
$1.25
$1.50
$2.50
$3.00
$0.20
$0.24
—1M16K—
cloudflare-ai-gateway$1.25$2.50$0.20—1M30K—
crossmodel · x-ai$1.25$2.50$0.20$1.251M1M—
daoxe$1.25$2.50$0.20—1M30K—
edenai$1.25$2.50$0.20—1M30K—
fastrouter · x-ai$1.25$2.50$0.20—1M30K—
frogbot$1.25$2.50$0.20—1M128K—
google-vertex$1.25$2.50$0.20—200K30K—
impossibl$1.25$2.50$0.20—1M30K—
kilo · x-ai$1.25$2.50$0.20—1M900K—
llmgateway$1.25$2.50$0.20—1M30K—
llmgateway-providers$1.25$2.50$0.20—
200K
1M
8K
1M
—
llmgateway-providers · aws-bedrock$1.25$2.50$0.20—1M131K—
llmgateway-providers · azure-ai-foundry$1.25$2.50$0.20—20K8K—
merge-gateway$1.25$2.50$0.20—1M1M—
nano-gpt · x-ai$1.25$2.50$0.20—1M900K—
oci$1.25$2.50$0.20—1M30K—
ofox · x-ai$1.25$2.50$0.20—1M30K—
openrouter · x-ai$1.25$2.50$0.20—1M900K—
opper$1.25$2.50$0.20—1M30K—
orcarouter · grok$1.25$2.50$0.20—1M30K—
perplexity$1.25$2.50$0.20————
requesty$1.25$2.50$0.20$1.251M30K—
standardcompute · x-ai$1.25$2.50$0.20—1M30K—
tempr$1.25$2.50$0.20—1M30K—
vercel · spacexai$1.25$2.50$0.20—1M1M—
vertex_ai$1.25$2.50$0.20—200K200K—
zenmux · x-ai$1.25$2.50$0.20—1M1M—
venice$1.42$2.83$0.23—1M32K—
kyma · kyma$1.92$3.838$0.27—1M33K—
anyapi————1M30K—

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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