API cost decision in 10 seconds

NewSeed-2.0-Code vs Aion-3.0

Pick Seed-2.0-Code when budget and context both matter.

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 Seed-2.0-Code when budget and context both matter.

On the standard 1M input plus 500K output workload, Seed-2.0-Code is estimated at $2 vs $6 for Aion-3.0, saving $4 (66.7% lower).

Cost-first pickSeed-2.0-Code

Context-first pickSeed-2.0-Code

Sample savings$466.7%

10x traffic gap$40

Seed-2.0-Code is cheaper on the standard workload and also has the larger context window. At 10x that traffic, the same price gap is about $40. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Seed-2.0-Code stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shape	Token mix	Better pick	Seed-2.0-Code	Aion-3.0
Input-heavy / RAG	5M input + 500K output	Seed-2.0-Code	$4	$18
Balanced workload	1M input + 1M output	Seed-2.0-Code	$3.5	$9
Output-heavy chatbot	1M input + 5M output	Seed-2.0-Code	$15.5	$33

Cheaper input Seed-2.0-Code $0.5 vs $3 / 1M

Seed-2.0-Code is $2.5 cheaper per 1M input tokens (83.3% lower; 6x difference).

Cheaper output Seed-2.0-Code $3 vs $6 / 1M

Seed-2.0-Code is $3 cheaper per 1M output tokens (50% lower; 2x 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 Seed-2.0-Code $2 vs $6

Seed-2.0-Code is $4 cheaper on the standard workload (66.7% 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 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; Seed-2.0-Code has the lower output price; Seed-2.0-Code offers the larger context window. For the 1M input plus 500K output sample, Seed-2.0-Code 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 $6 for Aion-3.0.

Best Fit

Choose Seed-2.0-Code when you care most about lower input-token price, lower output-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, Seed-2.0-Code is estimated at $2 vs $6 for Aion-3.0, saving $4 (66.7% lower).
Seed-2.0-Code is $4 cheaper on the standard workload (66.7% lower).
Seed-2.0-Code is $2.5 cheaper per 1M input tokens (83.3% lower; 6x difference).
Seed-2.0-Code is $3 cheaper per 1M output tokens (50% lower; 2x 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 (AionLabs)
Input Price prompt tokens per 1M	$0.5	$3
Completion Price per 1M tokens	$3	$6
Sample Workload Cost 1M input + 500K output	$2	$6
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	Seed-2.0-Code	On the standard 1M input plus 500K output workload, Seed-2.0-Code is estimated at $2 vs $6 for Aion-3.0, saving $4 (66.7% 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	Seed-2.0-Code	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.

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ByteDance Seed catalog

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

Open ByteDance Seed models

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...

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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...