API cost decision in 10 seconds

NewOpenAI GPT Mini Latest vs GPT-5.4 Nano

Pick GPT-5.4 Nano when budget is the priority.

Page updated:  Data confirmed:  Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick GPT-5.4 Nano when budget is the priority.

On the standard 1M input plus 500K output workload, GPT-5.4 Nano is estimated at $0.82 vs $3 for OpenAI GPT Mini Latest, saving $2.17 (72.5% lower).

Cost-first pickGPT-5.4 Nano
Context-first pickBoth models
Sample savings$2.1772.5%
10x traffic gap$21.75

The reported context window is tied, so cost and provider fit carry more weight. At 10x that traffic, the same price gap is about $21.75. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

GPT-5.4 Nano stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shapeToken mixBetter pickOpenAI GPT Mini LatestGPT-5.4 Nano
Input-heavy / RAG5M input + 500K outputGPT-5.4 Nano$6$1.62
Balanced workload1M input + 1M outputGPT-5.4 Nano$5.25$1.45
Output-heavy chatbot1M input + 5M outputGPT-5.4 Nano$23.25$6.45
Cheaper input GPT-5.4 Nano $0.75 vs $0.2 / 1M

GPT-5.4 Nano is $0.55 cheaper per 1M input tokens (73.3% lower; 3.75x difference).

Cheaper output GPT-5.4 Nano $4.5 vs $1.25 / 1M

GPT-5.4 Nano is $3.25 cheaper per 1M output tokens (72.2% lower; 3.6x difference).

Larger context Tie 400K vs 400K

Both models report the same context window at 400K tokens.

Sample workload GPT-5.4 Nano $3 vs $0.82

GPT-5.4 Nano is $2.17 cheaper on the standard workload (72.5% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.
OpenAI GPT Mini Latest Calculating… Estimated API cost
GPT-5.4 Nano 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

GPT-5.4 Nano has the lower input price; GPT-5.4 Nano has the lower output price; both models report the same context window. For the 1M input plus 500K output sample, GPT-5.4 Nano is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $3 for OpenAI GPT Mini Latest and $0.82 for GPT-5.4 Nano.

Best Fit

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

Choose GPT-5.4 Nano 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, GPT-5.4 Nano is estimated at $0.82 vs $3 for OpenAI GPT Mini Latest, saving $2.17 (72.5% lower).
  • GPT-5.4 Nano is $2.17 cheaper on the standard workload (72.5% lower).
  • GPT-5.4 Nano is $0.55 cheaper per 1M input tokens (73.3% lower; 3.75x difference).
  • GPT-5.4 Nano is $3.25 cheaper per 1M output tokens (72.2% lower; 3.6x difference).
  • Both models report the same context window at 400K tokens.
Head-to-Head Specs
FeatureNewOpenAI GPT Mini Latest
(OpenAI)		GPT-5.4 Nano
(OpenAI)
Input Price
prompt tokens per 1M		$0.75$0.2
Completion Price
per 1M tokens		$4.5$1.25
Sample Workload Cost
1M input + 500K output		$3$0.82
Context Window400K400K
Release Date

Use-Case Decision Matrix

Use caseBetter pickWhy
Budget-constrained productionGPT-5.4 NanoOn the standard 1M input plus 500K output workload, GPT-5.4 Nano is estimated at $0.82 vs $3 for OpenAI GPT Mini Latest, saving $2.17 (72.5% lower).
High-volume input processingGPT-5.4 NanoLower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbotsGPT-5.4 NanoLower output-token price matters most when assistants generate many completion tokens.
RAG or long-document workTieA 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 OpenAI GPT Mini Latest when lower sample workload cost matters most: $0.
  • gpt-oss-20b (free) can replace OpenAI GPT Mini Latest when lower sample workload cost matters most: $0.
  • gpt-oss-20b can replace OpenAI GPT Mini Latest when lower sample workload cost matters most: $0.1.
  • gpt-oss-120b can replace OpenAI GPT Mini Latest 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 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.

Cheaper alternatives

Review low-cost models sorted by a standard 1M input plus 500K output workload.

Open cheapest models

Larger context alternatives

Find models with larger context windows for RAG, long documents, and codebase review.

Open largest context models

Provider catalogs

Compare models within provider hubs before choosing a final API vendor.

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OpenAI catalog

Review all tracked OpenAI models before deciding whether this matchup is the right shortlist.

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OpenAI GPT Mini Latest

This model always redirects to the latest model in the OpenAI GPT Mini family.

GPT-5.4 Nano

GPT-5.4 nano is the most lightweight and cost-efficient variant of the GPT-5.4 family, optimized for speed-critical and high-volume tasks. It supports text and image inputs and is designed for low-latency...