API cost decision in 10 seconds

Grok Latest vs Aion-3.0

Pick Grok Latest when budget and context both matter.

Page updated: 2026-07-08T18:07:44Z Data confirmed: 2026-08-23T13:07:49Z Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick Grok Latest when budget and context both matter.

On the standard 1M input plus 500K output workload, Grok Latest is estimated at $5 vs $6 for Aion-3.0, saving $1 (16.7% lower).

Cost-first pickGrok Latest

Context-first pickGrok Latest

Sample savings$116.7%

10x traffic gap$10

Grok Latest is cheaper on the standard workload and also has the larger context window. At 10x that traffic, the same price gap is about $10. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Grok Latest stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shape	Token mix	Better pick	Grok Latest	Aion-3.0
Input-heavy / RAG	5M input + 500K output	Grok Latest	$13	$18
Balanced workload	1M input + 1M output	Grok Latest	$8	$9
Output-heavy chatbot	1M input + 5M output	Grok Latest	$32	$33

Cheaper input Grok Latest $2 vs $3 / 1M

Grok Latest is $1 cheaper per 1M input tokens (33.3% lower; 1.5x difference).

Cheaper output Tie $6 vs $6 / 1M

Both models report the same output price at $6 per 1M tokens.

Larger context Grok Latest 500K vs 131.07K

Grok Latest has 368.93K more context (3.81x larger).

Sample workload Grok Latest $5 vs $6

Grok Latest is $1 cheaper on the standard workload (16.7% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.

Monthly input tokens Monthly output tokens

Grok Latest Calculating… Estimated API cost

Aion-3.0 Calculating… Estimated API cost

Cheaper for this workload Calculating… Difference: calculating…

This estimate uses normalized public API pricing per 1M tokens. It is a planning aid, not a billing quote. Verify provider pricing, limits, and terms before production use.

Quick Decision

Verdict

Grok Latest has the lower input price; both models tie on output price; Grok Latest offers the larger context window. For the 1M input plus 500K output sample, Grok Latest is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $5 for Grok Latest and $6 for Aion-3.0.

Best Fit

Choose Grok Latest when you care most about lower input-token price, and larger context window.

Choose Aion-3.0 when its provider, model quality, latency, or availability is more important than the numeric price/context winner.

Decision Notes

On the standard 1M input plus 500K output workload, Grok Latest is estimated at $5 vs $6 for Aion-3.0, saving $1 (16.7% lower).
Grok Latest is $1 cheaper on the standard workload (16.7% lower).
Grok Latest is $1 cheaper per 1M input tokens (33.3% lower; 1.5x difference).
Both models report the same output price at $6 per 1M tokens.
Grok Latest has 368.93K more context (3.81x larger).

Head-to-Head Specs

Feature	Grok Latest (xAI)	Aion-3.0 (AionLabs)
Input Price prompt tokens per 1M	$2	$3
Completion Price per 1M tokens	$6	$6
Sample Workload Cost 1M input + 500K output	$5	$6
Context Window	500K	131.07K
Release Date	2026-07-08	2026-07-07

Use-Case Decision Matrix

Use case	Better pick	Why
Budget-constrained production	Grok Latest	On the standard 1M input plus 500K output workload, Grok Latest is estimated at $5 vs $6 for Aion-3.0, saving $1 (16.7% lower).
High-volume input processing	Grok Latest	Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbots	Tie	Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document work	Grok Latest	A larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps

Aion-3.0-Mini can replace Aion-3.0 when lower sample workload cost matters most: $1.4.
Aion-1.0-Mini can replace Aion-3.0 when lower sample workload cost matters most: $1.4.
Aion-2.0 can replace Aion-3.0 when lower sample workload cost matters most: $1.6.
Aion-RP 1.0 (8B) can replace Aion-3.0 when lower sample workload cost matters most: $1.6.

Larger context near this budget

Grok 4.20 Multi-Agent offers 2M context with $2.5 sample workload cost.
Grok 4.20 offers 2M context with $2.5 sample workload cost.
DeepSeek V4 Flash 0731 offers 1.31M context with $0.17 sample workload cost.
DeepSeek V4 Flash Latest offers 1.31M context with $0.11 sample workload cost.

Popular competitors

DeepSeek V4 Flash 0731 · DeepSeek · #1
MiMo-V2.5 · Xiaomi · #2
Hy3 · Tencent · #3
Ox Alpha · stealth · #4

Cheaper alternatives

Review low-cost models sorted by a standard 1M input plus 500K output workload.

Open cheapest models

Larger context alternatives

Find models with larger context windows for RAG, long documents, and codebase review.

Open largest context models

Provider catalogs

Compare models within provider hubs before choosing a final API vendor.

Open provider hubs

xAI catalog

Review all tracked xAI models before deciding whether this matchup is the right shortlist.

Open xAI models

AionLabs catalog

Check other AionLabs models with comparable pricing, context, or release timing.

Open AionLabs models

Grok Latest

This model always redirects to the latest Grok model from xAI.

Aion-3.0

Aion-3.0 is a multi-model roleplaying and storytelling system from AionLabs, built on the GLM family of models. It uses a collaborative generation process in which multiple specialized models each contribute...