Model comparison · Updated 17 Aug 2026

o4 Mini vs Grok Build 0.1

Grok Build 0.1 is about 1.1× cheaper on input ($1.00 against $1.10 per 1M tokens) and on output. Grok Build 0.1 has the larger context window (256K against 200K tokens). For a support chatbot at 10,000 chats a day, the standard-tier bill is about $891 a month for o4 Mini and $630 for Grok Build 0.1.

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ModelsAtlas. “o4 Mini vs Grok Build 0.1”. Retrieved 17 Aug 2026. https://modelsatlas.com/compare/openai/o4/vs/xai/grok-build-0-1

Model A

o4 Mini

by OpenAI · weights not marked open · GRIDE3

Input / 1M
$1.10
observed We measured
Source
Our catalogue
Retrieved
17 Aug 2026

Output / 1M$4.40

Context200K

Model B

Grok Build 0.1

by xAI · weights not marked open · GRIDE3

Input / 1M
$1.00
observed We measured
Source
Our catalogue
Retrieved
17 Aug 2026

Output / 1M$2.00

Context256K

Key numbers

Standard tier · highlighted = better

o4 Mini

Grok Build 0.1

Input / 1M tokens

$1.10

$1.00

Output / 1M tokens

$4.40

$2.00

Batch input / output

$0.55 / $2.20

Not listed

Context window

200,000

256,000

Input types

Not disclosed

Weights

Not marked open

Tiers listed

batch, standard

standard

Prices checked

2026-08-17

What it costs for real workloads

Monthly, standard tier, 30 days

Support chatbot10k chats/day · 1.5k in, 300 out

$891/mo

$630/mo

RAG over documents2k queries/day · 12k in, 500 out

$924/mo

$780/mo

Coding agent300 tasks/day · 60k in, 8k out

$911/mo

$684/mo

o4 Mini Grok Build 0.1 · Derived from the standard-tier prices above, input and output tokens per request as stated, 30 days. Excludes caching discounts and batch. Try your own numbers.

On the atlas

Price band (A–H) × context band (1–6)

Same square. o4 Mini and Grok Build 0.1 share E3.

Same square as o4 Mini: Claude Haiku 4.5 ($1.00), o3 Mini High ($1.10), o4 Mini High ($1.10). Open E3

o4 MiniGrok Build 0.1Nearest neighboursOpen weights

View the map as a table (1 squares)

Square	Price band	Context band	Models
GRIDE3	$1–3	128–256K	o4 Mini, Grok Build 0.1, o3 Mini High, o4 Mini High, Claude Haiku 4.5, Nano Banana Pro (Gemini 3 Pro Image), o3

Capabilities side by side

Only what our records list

o4 Mini

Grok Build 0.1

Vision input

Not disclosed

Audio input

Not disclosed

Open weights

Not marked open

Batch tier

Supported

Not listed

Free tier

Not listed

Thinking tier

Not listed

Neither record lists input types, so we do not claim any.

Which should you choose?

Editorial

Choose o4 Mini if…

work can wait: it lists a batch tier and the other does not

Choose Grok Build 0.1 if…

you pay by the token: it costs $1.00 per 1M input against $1.10
output dominates your bill: $2.00 per 1M output against $4.40
your prompts are long: it takes 256,000 tokens against 200,000

Each reason is a fact from the tables above. Picking between them is our judgement, and we do not benchmark quality: price and context are what we can measure, so test both on your own prompts before you commit.

Questions

Is o4 Mini better than Grok Build 0.1?

We do not benchmark quality, so we cannot say. On the recorded numbers: Grok Build 0.1 is about 1.1× cheaper on input ($1.00 against $1.10 per 1M tokens) and on output. Grok Build 0.1 has the larger context window (256K against 200K tokens). For a support chatbot at 10,000 chats a day, the standard-tier bill is about $891 a month for o4 Mini and $630 for Grok Build 0.1. Which is better for you depends on your task; test both on your own prompts.

Which is cheaper, o4 Mini or Grok Build 0.1?

Grok Build 0.1: $1.00 against $1.10 per 1M input tokens, and $2.00 against $4.40 per 1M output, on standard pricing.

How much does each cost per 1M tokens?

o4 Mini: $1.10 input and $4.40 output. Grok Build 0.1: $1.00 input and $2.00 output. Standard tier, USD.

Which has the larger context window?

Grok Build 0.1, with 256,000 tokens. o4 Mini has 200,000 tokens.

Do both offer batch pricing?

o4 Mini lists a batch tier, at 50% of its standard price. Grok Build 0.1 lists no batch tier.

Can both read images or audio?

Input types recorded for o4 Mini: none recorded. For Grok Build 0.1: none recorded. Where a record lists none we say so rather than guess; check each vendor's documentation before relying on a capability.

Is either model open-weight?

o4 Mini: not marked open-weight in our records. Grok Build 0.1: not marked open-weight in our records.

What would each cost for a support chatbot?

At 10,000 chats a day, 1,500 input and 300 output tokens each, 30 days, standard tier: about $891 a month for o4 Mini and $630 for Grok Build 0.1. This is our calculation from the listed prices, not a quote.