API cost decision in 10 seconds

GPT-5.4 Image 2 vs GPT-5.4 Nano

Pick GPT-5.4 Nano when budget and context both matter.

Pricing data updated:  Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick GPT-5.4 Nano when budget and context both matter.

On the standard 1M input plus 500K output workload, GPT-5.4 Nano is estimated at $0.82 vs $15.5 for GPT-5.4 Image 2, saving $14.68 (94.7% lower).

Cost-first pickGPT-5.4 Nano
Context-first pickGPT-5.4 Nano
Sample savings$14.6894.7%
10x traffic gap$146.75

GPT-5.4 Nano is cheaper on the standard workload and also has the larger context window. At 10x that traffic, the same price gap is about $146.75. 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 pickGPT-5.4 Image 2GPT-5.4 Nano
Input-heavy / RAG5M input + 500K outputGPT-5.4 Nano$47.5$1.62
Balanced workload1M input + 1M outputGPT-5.4 Nano$23$1.45
Output-heavy chatbot1M input + 5M outputGPT-5.4 Nano$83$6.45
Cheaper input GPT-5.4 Nano $8 vs $0.2 / 1M

GPT-5.4 Nano is $7.8 cheaper per 1M input tokens (97.5% lower; 40x difference).

Cheaper output GPT-5.4 Nano $15 vs $1.25 / 1M

GPT-5.4 Nano is $13.75 cheaper per 1M output tokens (91.7% lower; 12x difference).

Larger context GPT-5.4 Nano 272K vs 400K

GPT-5.4 Nano has 128K more context (1.47x larger).

Sample workload GPT-5.4 Nano $15.5 vs $0.82

GPT-5.4 Nano is $14.68 cheaper on the standard workload (94.7% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.
GPT-5.4 Image 2 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; GPT-5.4 Nano offers the larger 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 $15.5 for GPT-5.4 Image 2 and $0.82 for GPT-5.4 Nano.

Best Fit

Choose GPT-5.4 Image 2 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, lower output-token price, and larger context window.

Decision Notes
  • On the standard 1M input plus 500K output workload, GPT-5.4 Nano is estimated at $0.82 vs $15.5 for GPT-5.4 Image 2, saving $14.68 (94.7% lower).
  • GPT-5.4 Nano is $14.68 cheaper on the standard workload (94.7% lower).
  • GPT-5.4 Nano is $7.8 cheaper per 1M input tokens (97.5% lower; 40x difference).
  • GPT-5.4 Nano is $13.75 cheaper per 1M output tokens (91.7% lower; 12x difference).
  • GPT-5.4 Nano has 128K more context (1.47x larger).
Head-to-Head Specs
FeatureGPT-5.4 Image 2
(OpenAI)
GPT-5.4 Nano
(OpenAI)
Input Price
prompt tokens per 1M
$8$0.2
Completion Price
per 1M tokens
$15$1.25
Sample Workload Cost
1M input + 500K output
$15.5$0.82
Context Window272K400K
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 $15.5 for GPT-5.4 Image 2, saving $14.68 (94.7% 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 workGPT-5.4 NanoA 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-5.4 Image 2 when lower sample workload cost matters most: $0.
  • gpt-oss-20b (free) can replace GPT-5.4 Image 2 when lower sample workload cost matters most: $0.
  • gpt-oss-20b can replace GPT-5.4 Image 2 when lower sample workload cost matters most: $0.1.
  • gpt-oss-120b can replace GPT-5.4 Image 2 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.
  • GPT-5.4 offers 1.05M context with $10 sample workload cost.
Popular competitors
  • No popular competitor is currently available.

Cheaper alternatives

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

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Larger context alternatives

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

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Provider catalogs

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OpenAI catalog

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

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GPT-5.4 Image 2

[GPT-5.4](https://openrouter.ai/openai/gpt-5.4) Image 2 combines OpenAI's GPT-5.4 model with state-of-the-art image generation capabilities from GPT Image 2. It enables rich multimodal workflows, allowing users to seamlessly move between reasoning, coding, and...

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...