API cost decision in 10 seconds

Qianfan-OCR-Fast vs Aion-2.0

Pick Aion-2.0 when budget and context both matter.

Page updated: 2026-05-26T10:03:26Z Data confirmed: 2026-05-26T12:43:06Z Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick Aion-2.0 when budget and context both matter.

On the standard 1M input plus 500K output workload, Aion-2.0 is estimated at $1.6 vs $2.08 for Qianfan-OCR-Fast, saving $0.48 (23.3% lower).

Cost-first pickAion-2.0

Context-first pickAion-2.0

Sample savings$0.4823.3%

10x traffic gap$4.85

Aion-2.0 is cheaper on the standard workload and also has the larger context window. At 10x that traffic, the same price gap is about $4.85. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

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

Workload shape	Token mix	Better pick	Qianfan-OCR-Fast	Aion-2.0
Input-heavy / RAG	5M input + 500K output	Aion-2.0	$4.81	$4.8
Balanced workload	1M input + 1M output	Aion-2.0	$3.49	$2.4
Output-heavy chatbot	1M input + 5M output	Aion-2.0	$14.73	$8.8

Cheaper input Qianfan-OCR-Fast $0.68 vs $0.8 / 1M

Qianfan-OCR-Fast is $0.12 cheaper per 1M input tokens (15% lower; 1.18x difference).

Cheaper output Aion-2.0 $2.81 vs $1.6 / 1M

Aion-2.0 is $1.21 cheaper per 1M output tokens (43.1% lower; 1.76x difference).

Larger context Aion-2.0 65.54K vs 131.07K

Aion-2.0 has 65.54K more context (2x larger).

Sample workload Aion-2.0 $2.08 vs $1.6

Aion-2.0 is $0.48 cheaper on the standard workload (23.3% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.

Monthly input tokens Monthly output tokens

Qianfan-OCR-Fast Calculating… Estimated API cost

Aion-2.0 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

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

For a 1M input token plus 500K output token workload, the estimated API cost is $2.08 for Qianfan-OCR-Fast and $1.6 for Aion-2.0.

Best Fit

Choose Qianfan-OCR-Fast when you care most about lower input-token price.

Choose Aion-2.0 when you care most about lower output-token price, and larger context window.

Decision Notes

On the standard 1M input plus 500K output workload, Aion-2.0 is estimated at $1.6 vs $2.08 for Qianfan-OCR-Fast, saving $0.48 (23.3% lower).
Aion-2.0 is $0.48 cheaper on the standard workload (23.3% lower).
Qianfan-OCR-Fast is $0.12 cheaper per 1M input tokens (15% lower; 1.18x difference).
Aion-2.0 is $1.21 cheaper per 1M output tokens (43.1% lower; 1.76x difference).
Aion-2.0 has 65.54K more context (2x larger).

Head-to-Head Specs

Feature	Qianfan-OCR-Fast (Baidu)	Aion-2.0 (AionLabs)
Input Price prompt tokens per 1M	$0.68	$0.8
Completion Price per 1M tokens	$2.81	$1.6
Sample Workload Cost 1M input + 500K output	$2.08	$1.6
Context Window	65.54K	131.07K
Release Date	2026-04-20	2026-02-23

Use-Case Decision Matrix

Use case	Better pick	Why
Budget-constrained production	Aion-2.0	On the standard 1M input plus 500K output workload, Aion-2.0 is estimated at $1.6 vs $2.08 for Qianfan-OCR-Fast, saving $0.48 (23.3% lower).
High-volume input processing	Qianfan-OCR-Fast	Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbots	Aion-2.0	Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document work	Aion-2.0	A larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps

ERNIE 4.5 21B A3B Thinking can replace Qianfan-OCR-Fast when lower sample workload cost matters most: $0.21.
ERNIE 4.5 21B A3B can replace Qianfan-OCR-Fast when lower sample workload cost matters most: $0.21.
ERNIE 4.5 VL 28B A3B can replace Qianfan-OCR-Fast when lower sample workload cost matters most: $0.42.
ERNIE 4.5 300B A47B can replace Qianfan-OCR-Fast when lower sample workload cost matters most: $0.83.

Larger context near this budget

Llama 4 Scout offers 10M context with $0.23 sample workload cost.
Grok 4.20 offers 2M context with $2.5 sample workload cost.
Owl Alpha offers 1.05M context with $0 sample workload cost.
DeepSeek V4 Flash offers 1.05M context with $0.2 sample workload cost.

Popular competitors

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Hy3 preview · Tencent · #2
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Claude Sonnet 4.6 · Anthropic · #4

Cheaper alternatives

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Larger context alternatives

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Provider catalogs

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Baidu catalog

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AionLabs catalog

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

Open AionLabs models

Qianfan-OCR-Fast

Qianfan-OCR-Fast is a domain-specific multimodal large model purpose-built for OCR. By leveraging specialized OCR training data while preserving versatile multimodal intelligence, it provides a powerful performance upgrade over Qianfan-OCR.

Aion-2.0

Aion-2.0 is a variant of DeepSeek V3.2 optimized for immersive roleplaying and storytelling. It is particularly strong at introducing tension, crises, and conflict into stories, making narratives feel more engaging....