API cost decision in 10 seconds

Ministral 3 8B 2512 vs GPT-5.1 Chat

Pick Ministral 3 8B 2512 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 Ministral 3 8B 2512 when budget and context both matter.

On the standard 1M input plus 500K output workload, Ministral 3 8B 2512 is estimated at $0.22 vs $6.25 for GPT-5.1 Chat, saving $6.03 (96.4% lower).

Cost-first pickMinistral 3 8B 2512
Context-first pickMinistral 3 8B 2512
Sample savings$6.0396.4%
10x traffic gap$60.25

Ministral 3 8B 2512 is cheaper on the standard workload and also has the larger context window. At 10x that traffic, the same price gap is about $60.25. 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 pickMinistral 3 8B 2512GPT-5.1 Chat
Input-heavy / RAG5M input + 500K outputMinistral 3 8B 2512$0.82$11.25
Balanced workload1M input + 1M outputMinistral 3 8B 2512$0.3$11.25
Output-heavy chatbot1M input + 5M outputMinistral 3 8B 2512$0.9$51.25
Cheaper input Ministral 3 8B 2512 $0.15 vs $1.25 / 1M

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

Cheaper output Ministral 3 8B 2512 $0.15 vs $10 / 1M

Ministral 3 8B 2512 is $9.85 cheaper per 1M output tokens (98.5% lower; 66.7x difference).

Larger context Ministral 3 8B 2512 262.14K vs 128K

Ministral 3 8B 2512 has 134.14K more context (2.05x larger).

Sample workload Ministral 3 8B 2512 $0.22 vs $6.25

Ministral 3 8B 2512 is $6.03 cheaper on the standard workload (96.4% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.
Ministral 3 8B 2512 Calculating… Estimated API cost
GPT-5.1 Chat 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; Ministral 3 8B 2512 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 $0.22 for Ministral 3 8B 2512 and $6.25 for GPT-5.1 Chat.

Best Fit

Choose Ministral 3 8B 2512 when you care most about lower input-token price, lower output-token price, and larger context window.

Choose GPT-5.1 Chat 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, Ministral 3 8B 2512 is estimated at $0.22 vs $6.25 for GPT-5.1 Chat, saving $6.03 (96.4% lower).
  • Ministral 3 8B 2512 is $6.03 cheaper on the standard workload (96.4% lower).
  • Ministral 3 8B 2512 is $1.1 cheaper per 1M input tokens (88% lower; 8.33x difference).
  • Ministral 3 8B 2512 is $9.85 cheaper per 1M output tokens (98.5% lower; 66.7x difference).
  • Ministral 3 8B 2512 has 134.14K more context (2.05x larger).
Head-to-Head Specs
FeatureMinistral 3 8B 2512
(Mistral)		GPT-5.1 Chat
(OpenAI)
Input Price
prompt tokens per 1M		$0.15$1.25
Completion Price
per 1M tokens		$0.15$10
Sample Workload Cost
1M input + 500K output		$0.22$6.25
Context Window262.14K128K
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 $6.25 for GPT-5.1 Chat, saving $6.03 (96.4% 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 workMinistral 3 8B 2512A 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 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.
  • Mistral Small 3.2 24B can replace Ministral 3 8B 2512 when lower sample workload cost matters most: $0.17.
Larger context near this budget
Popular competitors
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Larger context alternatives

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Mistral catalog

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OpenAI catalog

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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.

GPT-5.1 Chat

GPT-5.1 Chat (AKA Instant is the fast, lightweight member of the 5.1 family, optimized for low-latency chat while retaining strong general intelligence. It uses adaptive reasoning to selectively “think” on...