API cost decision in 10 seconds

GPT Audio Mini vs GLM 4.7 Flash

Pick GLM 4.7 Flash 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 GLM 4.7 Flash when budget and context both matter.

On the standard 1M input plus 500K output workload, GLM 4.7 Flash is estimated at $0.26 vs $1.8 for GPT Audio Mini, saving $1.54 (85.6% lower).

Cost-first pickGLM 4.7 Flash

Context-first pickGLM 4.7 Flash

Sample savings$1.5485.6%

10x traffic gap$15.4

GLM 4.7 Flash is cheaper on the standard workload and also has the larger context window. At 10x that traffic, the same price gap is about $15.4. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

GLM 4.7 Flash stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shape	Token mix	Better pick	GPT Audio Mini	GLM 4.7 Flash
Input-heavy / RAG	5M input + 500K output	GLM 4.7 Flash	$4.2	$0.5
Balanced workload	1M input + 1M output	GLM 4.7 Flash	$3	$0.46
Output-heavy chatbot	1M input + 5M output	GLM 4.7 Flash	$12.6	$2.06

Cheaper input GLM 4.7 Flash $0.6 vs $0.06 / 1M

GLM 4.7 Flash is $0.54 cheaper per 1M input tokens (90% lower; 10x difference).

Cheaper output GLM 4.7 Flash $2.4 vs $0.4 / 1M

GLM 4.7 Flash is $2 cheaper per 1M output tokens (83.3% lower; 6x difference).

Larger context GLM 4.7 Flash 128K vs 202.75K

GLM 4.7 Flash has 74.75K more context (1.58x larger).

Sample workload GLM 4.7 Flash $1.8 vs $0.26

GLM 4.7 Flash is $1.54 cheaper on the standard workload (85.6% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.

Monthly input tokens Monthly output tokens

GPT Audio Mini Calculating… Estimated API cost

GLM 4.7 Flash 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

GLM 4.7 Flash has the lower input price; GLM 4.7 Flash has the lower output price; GLM 4.7 Flash offers the larger context window. For the 1M input plus 500K output sample, GLM 4.7 Flash is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $1.8 for GPT Audio Mini and $0.26 for GLM 4.7 Flash.

Best Fit

Choose GPT Audio Mini when its provider, model quality, latency, or availability is more important than the numeric price/context winner.

Choose GLM 4.7 Flash when you care most about lower input-token price, lower output-token price, and larger context window.

Decision Notes

On the standard 1M input plus 500K output workload, GLM 4.7 Flash is estimated at $0.26 vs $1.8 for GPT Audio Mini, saving $1.54 (85.6% lower).
GLM 4.7 Flash is $1.54 cheaper on the standard workload (85.6% lower).
GLM 4.7 Flash is $0.54 cheaper per 1M input tokens (90% lower; 10x difference).
GLM 4.7 Flash is $2 cheaper per 1M output tokens (83.3% lower; 6x difference).
GLM 4.7 Flash has 74.75K more context (1.58x larger).

Head-to-Head Specs

Feature	GPT Audio Mini (OpenAI)	GLM 4.7 Flash (Z.ai)
Input Price prompt tokens per 1M	$0.6	$0.06
Completion Price per 1M tokens	$2.4	$0.4
Sample Workload Cost 1M input + 500K output	$1.8	$0.26
Context Window	128K	202.75K
Release Date	2026-01-19	2026-01-19

Use-Case Decision Matrix

Use case	Better pick	Why
Budget-constrained production	GLM 4.7 Flash	On the standard 1M input plus 500K output workload, GLM 4.7 Flash is estimated at $0.26 vs $1.8 for GPT Audio Mini, saving $1.54 (85.6% lower).
High-volume input processing	GLM 4.7 Flash	Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbots	GLM 4.7 Flash	Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document work	GLM 4.7 Flash	A larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps

gpt-oss-120b (free) can replace GPT Audio Mini when lower sample workload cost matters most: $0.
gpt-oss-20b (free) can replace GPT Audio Mini when lower sample workload cost matters most: $0.
gpt-oss-20b can replace GPT Audio Mini when lower sample workload cost matters most: $0.1.
gpt-oss-120b can replace GPT Audio Mini when lower sample workload cost matters most: $0.13.

Larger context near this budget

Llama 4 Scout offers 10M context with $0.23 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.
DeepSeek V4 Pro offers 1.05M context with $0.87 sample workload cost.

Popular competitors

DeepSeek V4 Flash · DeepSeek · #1
Hy3 preview · Tencent · #2
Claude Opus 4.7 · Anthropic · #3
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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OpenAI catalog

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Z.ai catalog

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

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GPT Audio Mini

A cost-efficient version of GPT Audio. The new snapshot features an upgraded decoder for more natural sounding voices and maintains better voice consistency. Input is priced at $0.60 per million...

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As a 30B-class SOTA model, GLM-4.7-Flash offers a new option that balances performance and efficiency. It is further optimized for agentic coding use cases, strengthening coding capabilities, long-horizon task planning,...