API cost decision in 10 seconds

New🔥Gemini 3.8 Flash vs 🔥Hunyuan A13B Instruct

Pick Hunyuan A13B Instruct for lower cost; pick Gemini 3.8 Flash only if the larger context window matters more.

Page updated: 2026-09-02T16:07:23Z Data confirmed: 2026-09-08T23:08:16Z Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick Hunyuan A13B Instruct for lower cost; pick Gemini 3.8 Flash only if the larger context window matters more.

On the standard 1M input plus 500K output workload, Hunyuan A13B Instruct is estimated at $0.42 vs $2.62 for Gemini 3.8 Flash, saving $2.2 (83.8% lower).

Cost-first pickHunyuan A13B Instruct

Context-first pickGemini 3.8 Flash

Sample savings$2.283.8%

10x traffic gap$22

Gemini 3.8 Flash has more context, but Hunyuan A13B Instruct saves $2.2 on the standard workload. At 10x that traffic, the same price gap is about $22. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Hunyuan A13B Instruct stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shape	Token mix	Better pick	Gemini 3.8 Flash	Hunyuan A13B Instruct
Input-heavy / RAG	5M input + 500K output	Hunyuan A13B Instruct	$5.62	$0.99
Balanced workload	1M input + 1M output	Hunyuan A13B Instruct	$4.5	$0.71
Output-heavy chatbot	1M input + 5M output	Hunyuan A13B Instruct	$19.5	$2.99

Cheaper input Hunyuan A13B Instruct $0.75 vs $0.14 / 1M

Hunyuan A13B Instruct is $0.61 cheaper per 1M input tokens (81.3% lower; 5.36x difference).

Cheaper output Hunyuan A13B Instruct $3.75 vs $0.57 / 1M

Hunyuan A13B Instruct is $3.18 cheaper per 1M output tokens (84.8% lower; 6.58x difference).

Larger context Gemini 3.8 Flash 1.05M vs 131.07K

Gemini 3.8 Flash has 917.5K more context (8x larger).

Sample workload Hunyuan A13B Instruct $2.62 vs $0.42

Hunyuan A13B Instruct is $2.2 cheaper on the standard workload (83.8% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.

Monthly input tokens Monthly output tokens

Gemini 3.8 Flash Calculating… Estimated API cost

Hunyuan A13B Instruct 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

Hunyuan A13B Instruct has the lower input price; Hunyuan A13B Instruct has the lower output price; Gemini 3.8 Flash offers the larger context window. For the 1M input plus 500K output sample, Hunyuan A13B Instruct is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $2.62 for Gemini 3.8 Flash and $0.42 for Hunyuan A13B Instruct.

Best Fit

Choose Gemini 3.8 Flash when you care most about larger context window.

Choose Hunyuan A13B Instruct when you care most about lower input-token price, and lower output-token price.

Decision Notes

On the standard 1M input plus 500K output workload, Hunyuan A13B Instruct is estimated at $0.42 vs $2.62 for Gemini 3.8 Flash, saving $2.2 (83.8% lower).
Hunyuan A13B Instruct is $2.2 cheaper on the standard workload (83.8% lower).
Hunyuan A13B Instruct is $0.61 cheaper per 1M input tokens (81.3% lower; 5.36x difference).
Hunyuan A13B Instruct is $3.18 cheaper per 1M output tokens (84.8% lower; 6.58x difference).
Gemini 3.8 Flash has 917.5K more context (8x larger).

Head-to-Head Specs

Feature	New🔥Gemini 3.8 Flash (Google)	🔥Hunyuan A13B Instruct (Tencent)
Input Price prompt tokens per 1M	$0.75	$0.14
Completion Price per 1M tokens	$3.75	$0.57
Sample Workload Cost 1M input + 500K output	$2.62	$0.42
Context Window	1.05M	131.07K
Release Date	2026-09-02	2025-07-08
Popularity	#10	#18

Use-Case Decision Matrix

Use case	Better pick	Why
Budget-constrained production	Hunyuan A13B Instruct	On the standard 1M input plus 500K output workload, Hunyuan A13B Instruct is estimated at $0.42 vs $2.62 for Gemini 3.8 Flash, saving $2.2 (83.8% lower).
High-volume input processing	Hunyuan A13B Instruct	Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbots	Hunyuan A13B Instruct	Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document work	Gemini 3.8 Flash	A larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps

Lyria 3 Pro Preview can replace Gemini 3.8 Flash when lower sample workload cost matters most: $0.
Gemma 4 26B A4B (free) can replace Gemini 3.8 Flash when lower sample workload cost matters most: $0.
Gemma 4 31B (free) can replace Gemini 3.8 Flash when lower sample workload cost matters most: $0.
Lyria 3 Clip Preview can replace Gemini 3.8 Flash when lower sample workload cost matters most: $0.

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 $0.15 sample workload cost.
GLM 5.3 Flash offers 1.31M context with $0.2 sample workload cost.

Popular competitors

Hy4 preview · Tencent · #1
GPT-5.6 Luna · OpenAI · #2
DeepSeek V4 Flash 0731 · DeepSeek · #3
GLM 5.3 Flash · Z.ai · #4

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Provider catalogs

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Google catalog

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Tencent catalog

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Gemini 3.8 Flash

Gemini 3.8 Flash is Google's most intelligent Flash model with significant gains from 3.7 Flash across software engineering, agentic tasks, and multi-step reasoning.

Hunyuan A13B Instruct

Hunyuan-A13B is a 13B active parameter Mixture-of-Experts (MoE) language model developed by Tencent, with a total parameter count of 80B and support for reasoning via Chain-of-Thought. It offers competitive benchmark...