API cost decision in 10 seconds

NewSeed-2.0-Code vs Aion-3.0-Mini

Pick Aion-3.0-Mini for lower cost; pick Seed-2.0-Code only if the larger context window matters more.

Page updated: 2026-08-12T17:08:18Z Data confirmed: 2026-08-23T12:07:48Z Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick Aion-3.0-Mini for lower cost; pick Seed-2.0-Code only if the larger context window matters more.

On the standard 1M input plus 500K output workload, Aion-3.0-Mini is estimated at $1.4 vs $2 for Seed-2.0-Code, saving $0.6 (30% lower).

Cost-first pickAion-3.0-Mini

Context-first pickSeed-2.0-Code

Sample savings$0.630%

10x traffic gap$6

Seed-2.0-Code has more context, but Aion-3.0-Mini saves $0.6 on the standard workload. At 10x that traffic, the same price gap is about $6. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Cost winner changes by workload shape: input-heavy / RAG favors Seed-2.0-Code, balanced workload favors Aion-3.0-Mini, and output-heavy chatbot favors Aion-3.0-Mini.

Workload shape	Token mix	Better pick	Seed-2.0-Code	Aion-3.0-Mini
Input-heavy / RAG	5M input + 500K output	Seed-2.0-Code	$4	$4.2
Balanced workload	1M input + 1M output	Aion-3.0-Mini	$3.5	$2.1
Output-heavy chatbot	1M input + 5M output	Aion-3.0-Mini	$15.5	$7.7

Cheaper input Seed-2.0-Code $0.5 vs $0.7 / 1M

Seed-2.0-Code is $0.2 cheaper per 1M input tokens (28.6% lower; 1.4x difference).

Cheaper output Aion-3.0-Mini $3 vs $1.4 / 1M

Aion-3.0-Mini is $1.6 cheaper per 1M output tokens (53.3% lower; 2.14x difference).

Larger context Seed-2.0-Code 262.14K vs 131.07K

Seed-2.0-Code has 131.07K more context (2x larger).

Sample workload Aion-3.0-Mini $2 vs $1.4

Aion-3.0-Mini is $0.6 cheaper on the standard workload (30% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.

Monthly input tokens Monthly output tokens

Seed-2.0-Code Calculating… Estimated API cost

Aion-3.0-Mini 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

Seed-2.0-Code has the lower input price; Aion-3.0-Mini has the lower output price; Seed-2.0-Code offers the larger context window. For the 1M input plus 500K output sample, Aion-3.0-Mini is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $2 for Seed-2.0-Code and $1.4 for Aion-3.0-Mini.

Best Fit

Choose Seed-2.0-Code when you care most about lower input-token price, and larger context window.

Choose Aion-3.0-Mini when you care most about lower output-token price.

Decision Notes

On the standard 1M input plus 500K output workload, Aion-3.0-Mini is estimated at $1.4 vs $2 for Seed-2.0-Code, saving $0.6 (30% lower).
Aion-3.0-Mini is $0.6 cheaper on the standard workload (30% lower).
Seed-2.0-Code is $0.2 cheaper per 1M input tokens (28.6% lower; 1.4x difference).
Aion-3.0-Mini is $1.6 cheaper per 1M output tokens (53.3% lower; 2.14x difference).
Seed-2.0-Code has 131.07K more context (2x larger).

Head-to-Head Specs

Feature	NewSeed-2.0-Code (ByteDance Seed)	Aion-3.0-Mini (AionLabs)
Input Price prompt tokens per 1M	$0.5	$0.7
Completion Price per 1M tokens	$3	$1.4
Sample Workload Cost 1M input + 500K output	$2	$1.4
Context Window	262.14K	131.07K
Release Date	2026-08-12	2026-07-07

Use-Case Decision Matrix

Use case	Better pick	Why
Budget-constrained production	Aion-3.0-Mini	On the standard 1M input plus 500K output workload, Aion-3.0-Mini is estimated at $1.4 vs $2 for Seed-2.0-Code, saving $0.6 (30% lower).
High-volume input processing	Seed-2.0-Code	Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbots	Aion-3.0-Mini	Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document work	Seed-2.0-Code	A larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps

Seed 1.6 Flash can replace Seed-2.0-Code when lower sample workload cost matters most: $0.22.
Seed-2.0-Mini can replace Seed-2.0-Code when lower sample workload cost matters most: $0.3.
Seed-2.0-Lite can replace Seed-2.0-Code when lower sample workload cost matters most: $1.25.
Seed 1.6 can replace Seed-2.0-Code when lower sample workload cost matters most: $1.25.

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

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Larger context alternatives

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Provider catalogs

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

Open provider hubs

ByteDance Seed catalog

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

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AionLabs catalog

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Seed-2.0-Code

Seed 2.0 Code is a model from ByteDance Seed optimized for agentic coding. It is suited for frontend development, multilingual programming tasks, and coding-agent workflows in tools such as Claude...

Aion-3.0-Mini

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