API cost decision in 10 seconds

Palmyra X5 vs GPT Audio

Pick Palmyra X5 when budget and context both matter.

Page updated: 2026-05-26T10:03:26Z Data confirmed: 2026-05-26T13:08:02Z Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick Palmyra X5 when budget and context both matter.

On the standard 1M input plus 500K output workload, Palmyra X5 is estimated at $3.6 vs $7.5 for GPT Audio, saving $3.9 (52% lower).

Cost-first pickPalmyra X5

Context-first pickPalmyra X5

Sample savings$3.952%

10x traffic gap$39

Palmyra X5 is cheaper on the standard workload and also has the larger context window. At 10x that traffic, the same price gap is about $39. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Palmyra X5 stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shape	Token mix	Better pick	Palmyra X5	GPT Audio
Input-heavy / RAG	5M input + 500K output	Palmyra X5	$6	$17.5
Balanced workload	1M input + 1M output	Palmyra X5	$6.6	$12.5
Output-heavy chatbot	1M input + 5M output	Palmyra X5	$30.6	$52.5

Cheaper input Palmyra X5 $0.6 vs $2.5 / 1M

Palmyra X5 is $1.9 cheaper per 1M input tokens (76% lower; 4.17x difference).

Cheaper output Palmyra X5 $6 vs $10 / 1M

Palmyra X5 is $4 cheaper per 1M output tokens (40% lower; 1.67x difference).

Larger context Palmyra X5 1.04M vs 128K

Palmyra X5 has 912K more context (8.12x larger).

Sample workload Palmyra X5 $3.6 vs $7.5

Palmyra X5 is $3.9 cheaper on the standard workload (52% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.

Monthly input tokens Monthly output tokens

Palmyra X5 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

Palmyra X5 has the lower input price; Palmyra X5 has the lower output price; Palmyra X5 offers the larger context window. For the 1M input plus 500K output sample, Palmyra X5 is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $3.6 for Palmyra X5 and $7.5 for GPT Audio.

Best Fit

Choose Palmyra X5 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, Palmyra X5 is estimated at $3.6 vs $7.5 for GPT Audio, saving $3.9 (52% lower).
Palmyra X5 is $3.9 cheaper on the standard workload (52% lower).
Palmyra X5 is $1.9 cheaper per 1M input tokens (76% lower; 4.17x difference).
Palmyra X5 is $4 cheaper per 1M output tokens (40% lower; 1.67x difference).
Palmyra X5 has 912K more context (8.12x larger).

Head-to-Head Specs

Feature	Palmyra X5 (Writer)	GPT Audio (OpenAI)
Input Price prompt tokens per 1M	$0.6	$2.5
Completion Price per 1M tokens	$6	$10
Sample Workload Cost 1M input + 500K output	$3.6	$7.5
Context Window	1.04M	128K
Release Date	2026-01-21	2026-01-19

Use-Case Decision Matrix

Use case	Better pick	Why
Budget-constrained production	Palmyra X5	On the standard 1M input plus 500K output workload, Palmyra X5 is estimated at $3.6 vs $7.5 for GPT Audio, saving $3.9 (52% lower).
High-volume input processing	Palmyra X5	Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbots	Palmyra X5	Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document work	Palmyra X5	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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Writer catalog

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OpenAI catalog

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Palmyra X5

Palmyra X5 is Writer's most advanced model, purpose-built for building and scaling AI agents across the enterprise. It delivers industry-leading speed and efficiency on context windows up to 1 million...

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...