API cost decision in 10 seconds

NewGrok 4.3 vs Ministral 3 8B 2512

Pick Ministral 3 8B 2512 for lower cost; pick Grok 4.3 only if the larger context window matters more.

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

Budget verdict

Pick Ministral 3 8B 2512 for lower cost; pick Grok 4.3 only if the larger context window matters more.

On the standard 1M input plus 500K output workload, Ministral 3 8B 2512 is estimated at $0.22 vs $2.5 for Grok 4.3, saving $2.27 (91% lower).

Cost-first pickMinistral 3 8B 2512
Context-first pickGrok 4.3
Sample savings$2.2791%
10x traffic gap$22.75

Grok 4.3 has more context, but Ministral 3 8B 2512 saves $2.27 on the standard workload. At 10x that traffic, the same price gap is about $22.75. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Ministral 3 8B 2512 stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shapeToken mixBetter pickGrok 4.3Ministral 3 8B 2512
Input-heavy / RAG5M input + 500K outputMinistral 3 8B 2512$7.5$0.82
Balanced workload1M input + 1M outputMinistral 3 8B 2512$3.75$0.3
Output-heavy chatbot1M input + 5M outputMinistral 3 8B 2512$13.75$0.9
Cheaper input Ministral 3 8B 2512 $1.25 vs $0.15 / 1M

Ministral 3 8B 2512 is $1.1 cheaper per 1M input tokens (88% lower; 8.33x difference).

Cheaper output Ministral 3 8B 2512 $2.5 vs $0.15 / 1M

Ministral 3 8B 2512 is $2.35 cheaper per 1M output tokens (94% lower; 16.7x difference).

Larger context Grok 4.3 1M vs 262.14K

Grok 4.3 has 737.86K more context (3.81x larger).

Sample workload Ministral 3 8B 2512 $2.5 vs $0.22

Ministral 3 8B 2512 is $2.27 cheaper on the standard workload (91% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.
Grok 4.3 Calculating… Estimated API cost
Ministral 3 8B 2512 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

Ministral 3 8B 2512 has the lower input price; Ministral 3 8B 2512 has the lower output price; Grok 4.3 offers the larger context window. For the 1M input plus 500K output sample, Ministral 3 8B 2512 is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $2.5 for Grok 4.3 and $0.22 for Ministral 3 8B 2512.

Best Fit

Choose Grok 4.3 when you care most about larger context window.

Choose Ministral 3 8B 2512 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, Ministral 3 8B 2512 is estimated at $0.22 vs $2.5 for Grok 4.3, saving $2.27 (91% lower).
  • Ministral 3 8B 2512 is $2.27 cheaper on the standard workload (91% lower).
  • Ministral 3 8B 2512 is $1.1 cheaper per 1M input tokens (88% lower; 8.33x difference).
  • Ministral 3 8B 2512 is $2.35 cheaper per 1M output tokens (94% lower; 16.7x difference).
  • Grok 4.3 has 737.86K more context (3.81x larger).
Head-to-Head Specs
FeatureNewGrok 4.3
(xAI)
Ministral 3 8B 2512
(Mistral)
Input Price
prompt tokens per 1M
$1.25$0.15
Completion Price
per 1M tokens
$2.5$0.15
Sample Workload Cost
1M input + 500K output
$2.5$0.22
Context Window1M262.14K
Release Date

Use-Case Decision Matrix

Use caseBetter pickWhy
Budget-constrained productionMinistral 3 8B 2512On the standard 1M input plus 500K output workload, Ministral 3 8B 2512 is estimated at $0.22 vs $2.5 for Grok 4.3, saving $2.27 (91% lower).
High-volume input processingMinistral 3 8B 2512Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbotsMinistral 3 8B 2512Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document workGrok 4.3A larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps
  • Grok Build 0.1 can replace Grok 4.3 when lower sample workload cost matters most: $2.
  • Mistral Nemo can replace Ministral 3 8B 2512 when lower sample workload cost matters most: $0.04.
  • Mistral Small 3 can replace Ministral 3 8B 2512 when lower sample workload cost matters most: $0.09.
  • Ministral 3 3B 2512 can replace Ministral 3 8B 2512 when lower sample workload cost matters most: $0.15.
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.

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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

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

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xAI catalog

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

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Mistral catalog

Check other Mistral models with comparable pricing, context, or release timing.

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Grok 4.3

Grok 4.3 is a reasoning model from xAI. It accepts text and image inputs with text output, and is suited for agentic workflows, instruction-following tasks, and applications requiring high factual...

Ministral 3 8B 2512

A balanced model in the Ministral 3 family, Ministral 3 8B is a powerful, efficient tiny language model with vision capabilities.