API cost decision in 10 seconds

NewGrok Build 0.1 vs GPT Audio

Pick Grok Build 0.1 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 Grok Build 0.1 when budget and context both matter.

On the standard 1M input plus 500K output workload, Grok Build 0.1 is estimated at $2 vs $7.5 for GPT Audio, saving $5.5 (73.3% lower).

Cost-first pickGrok Build 0.1

Context-first pickGrok Build 0.1

Sample savings$5.573.3%

10x traffic gap$55

Grok Build 0.1 is cheaper on the standard workload and also has the larger context window. At 10x that traffic, the same price gap is about $55. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Grok Build 0.1 stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shape	Token mix	Better pick	Grok Build 0.1	GPT Audio
Input-heavy / RAG	5M input + 500K output	Grok Build 0.1	$6	$17.5
Balanced workload	1M input + 1M output	Grok Build 0.1	$3	$12.5
Output-heavy chatbot	1M input + 5M output	Grok Build 0.1	$11	$52.5

Cheaper input Grok Build 0.1 $1 vs $2.5 / 1M

Grok Build 0.1 is $1.5 cheaper per 1M input tokens (60% lower; 2.5x difference).

Cheaper output Grok Build 0.1 $2 vs $10 / 1M

Grok Build 0.1 is $8 cheaper per 1M output tokens (80% lower; 5x difference).

Larger context Grok Build 0.1 256K vs 128K

Grok Build 0.1 has 128K more context (2x larger).

Sample workload Grok Build 0.1 $2 vs $7.5

Grok Build 0.1 is $5.5 cheaper on the standard workload (73.3% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.

Monthly input tokens Monthly output tokens

Grok Build 0.1 Calculating… Estimated API cost

GPT Audio 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

Grok Build 0.1 has the lower input price; Grok Build 0.1 has the lower output price; Grok Build 0.1 offers the larger context window. For the 1M input plus 500K output sample, Grok Build 0.1 is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $2 for Grok Build 0.1 and $7.5 for GPT Audio.

Best Fit

Choose Grok Build 0.1 when you care most about lower input-token price, lower output-token price, and larger context window.

Choose GPT Audio 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, Grok Build 0.1 is estimated at $2 vs $7.5 for GPT Audio, saving $5.5 (73.3% lower).
Grok Build 0.1 is $5.5 cheaper on the standard workload (73.3% lower).
Grok Build 0.1 is $1.5 cheaper per 1M input tokens (60% lower; 2.5x difference).
Grok Build 0.1 is $8 cheaper per 1M output tokens (80% lower; 5x difference).
Grok Build 0.1 has 128K more context (2x larger).

Head-to-Head Specs

Feature	NewGrok Build 0.1 (xAI)	GPT Audio (OpenAI)
Input Price prompt tokens per 1M	$1	$2.5
Completion Price per 1M tokens	$2	$10
Sample Workload Cost 1M input + 500K output	$2	$7.5
Context Window	256K	128K
Release Date	2026-05-20	2026-01-19

Use-Case Decision Matrix

Use case	Better pick	Why
Budget-constrained production	Grok Build 0.1	On the standard 1M input plus 500K output workload, Grok Build 0.1 is estimated at $2 vs $7.5 for GPT Audio, saving $5.5 (73.3% lower).
High-volume input processing	Grok Build 0.1	Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbots	Grok Build 0.1	Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document work	Grok Build 0.1	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 when lower sample workload cost matters most: $0.
gpt-oss-20b (free) can replace GPT Audio when lower sample workload cost matters most: $0.
gpt-oss-20b can replace GPT Audio when lower sample workload cost matters most: $0.1.
gpt-oss-120b can replace GPT Audio 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.
Grok 4.20 Multi-Agent offers 2M context with $5 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.

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xAI catalog

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OpenAI catalog

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Grok Build 0.1 is xAI’s fast coding model trained specifically for agentic software engineering workflows. It supports text and image inputs with text output, and is optimized for interactive coding...

GPT Audio

The gpt-audio model is OpenAI's first generally available audio model. The new snapshot features an upgraded decoder for more natural sounding voices and maintains better voice consistency. Audio is priced...