API cost decision in 10 seconds

Mistral Small 3 vs GPT-5.4 Image 2

Pick Mistral Small 3 for lower cost; pick GPT-5.4 Image 2 only if the larger context window matters more.

Page updated: 2026-05-26T15:08:08Z Data confirmed: 2026-05-26T20:08:05Z Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick Mistral Small 3 for lower cost; pick GPT-5.4 Image 2 only if the larger context window matters more.

On the standard 1M input plus 500K output workload, Mistral Small 3 is estimated at $0.09 vs $15.5 for GPT-5.4 Image 2, saving $15.41 (99.4% lower).

Cost-first pickMistral Small 3

Context-first pickGPT-5.4 Image 2

Sample savings$15.4199.4%

10x traffic gap$154.1

GPT-5.4 Image 2 has more context, but Mistral Small 3 saves $15.41 on the standard workload. At 10x that traffic, the same price gap is about $154.1. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Mistral Small 3 stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shape	Token mix	Better pick	Mistral Small 3	GPT-5.4 Image 2
Input-heavy / RAG	5M input + 500K output	Mistral Small 3	$0.29	$47.5
Balanced workload	1M input + 1M output	Mistral Small 3	$0.13	$23
Output-heavy chatbot	1M input + 5M output	Mistral Small 3	$0.45	$83

Cheaper input Mistral Small 3 $0.05 vs $8 / 1M

Mistral Small 3 is $7.95 cheaper per 1M input tokens (99.4% lower; 160x difference).

Cheaper output Mistral Small 3 $0.08 vs $15 / 1M

Mistral Small 3 is $14.92 cheaper per 1M output tokens (99.5% lower; 187.5x difference).

Larger context GPT-5.4 Image 2 32.77K vs 272K

GPT-5.4 Image 2 has 239.23K more context (8.3x larger).

Sample workload Mistral Small 3 $0.09 vs $15.5

Mistral Small 3 is $15.41 cheaper on the standard workload (99.4% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.

Monthly input tokens Monthly output tokens

Mistral Small 3 Calculating… Estimated API cost

GPT-5.4 Image 2 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

Mistral Small 3 has the lower input price; Mistral Small 3 has the lower output price; GPT-5.4 Image 2 offers the larger context window. For the 1M input plus 500K output sample, Mistral Small 3 is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $0.09 for Mistral Small 3 and $15.5 for GPT-5.4 Image 2.

Best Fit

Choose Mistral Small 3 when you care most about lower input-token price, and lower output-token price.

Choose GPT-5.4 Image 2 when you care most about larger context window.

Decision Notes

On the standard 1M input plus 500K output workload, Mistral Small 3 is estimated at $0.09 vs $15.5 for GPT-5.4 Image 2, saving $15.41 (99.4% lower).
Mistral Small 3 is $15.41 cheaper on the standard workload (99.4% lower).
Mistral Small 3 is $7.95 cheaper per 1M input tokens (99.4% lower; 160x difference).
Mistral Small 3 is $14.92 cheaper per 1M output tokens (99.5% lower; 187.5x difference).
GPT-5.4 Image 2 has 239.23K more context (8.3x larger).

Head-to-Head Specs

Feature	Mistral Small 3 (Mistral)	GPT-5.4 Image 2 (OpenAI)
Input Price prompt tokens per 1M	$0.05	$8
Completion Price per 1M tokens	$0.08	$15
Sample Workload Cost 1M input + 500K output	$0.09	$15.5
Context Window	32.77K	272K
Release Date	2025-01-30	2026-04-21
Popularity	#135	#137

Use-Case Decision Matrix

Use case	Better pick	Why
Budget-constrained production	Mistral Small 3	On the standard 1M input plus 500K output workload, Mistral Small 3 is estimated at $0.09 vs $15.5 for GPT-5.4 Image 2, saving $15.41 (99.4% lower).
High-volume input processing	Mistral Small 3	Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbots	Mistral Small 3	Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document work	GPT-5.4 Image 2	A larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps

Mistral Nemo can replace Mistral Small 3 when lower sample workload cost matters most: $0.04.
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.

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.
Grok 4.20 Multi-Agent offers 2M context with $5 sample workload cost.
GPT-5.4 offers 1.05M context with $10 sample workload cost.

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Provider catalogs

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Mistral catalog

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OpenAI catalog

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