API cost decision in 10 seconds

Devstral 2 2512 vs Rnj 1 Instruct

Pick Rnj 1 Instruct for lower cost; pick Devstral 2 2512 only if the larger context window matters more.

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

Budget verdict

Pick Rnj 1 Instruct for lower cost; pick Devstral 2 2512 only if the larger context window matters more.

On the standard 1M input plus 500K output workload, Rnj 1 Instruct is estimated at $0.22 vs $1.4 for Devstral 2 2512, saving $1.17 (83.9% lower).

Cost-first pickRnj 1 Instruct
Context-first pickDevstral 2 2512
Sample savings$1.1783.9%
10x traffic gap$11.75

Devstral 2 2512 has more context, but Rnj 1 Instruct saves $1.17 on the standard workload. At 10x that traffic, the same price gap is about $11.75. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Rnj 1 Instruct stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shapeToken mixBetter pickDevstral 2 2512Rnj 1 Instruct
Input-heavy / RAG5M input + 500K outputRnj 1 Instruct$3$0.82
Balanced workload1M input + 1M outputRnj 1 Instruct$2.4$0.3
Output-heavy chatbot1M input + 5M outputRnj 1 Instruct$10.4$0.9
Cheaper input Rnj 1 Instruct $0.4 vs $0.15 / 1M

Rnj 1 Instruct is $0.25 cheaper per 1M input tokens (62.5% lower; 2.67x difference).

Cheaper output Rnj 1 Instruct $2 vs $0.15 / 1M

Rnj 1 Instruct is $1.85 cheaper per 1M output tokens (92.5% lower; 13.3x difference).

Larger context Devstral 2 2512 262.14K vs 32.77K

Devstral 2 2512 has 229.38K more context (8x larger).

Sample workload Rnj 1 Instruct $1.4 vs $0.22

Rnj 1 Instruct is $1.17 cheaper on the standard workload (83.9% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.
Devstral 2 2512 Calculating… Estimated API cost
Rnj 1 Instruct 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

Rnj 1 Instruct has the lower input price; Rnj 1 Instruct has the lower output price; Devstral 2 2512 offers the larger context window. For the 1M input plus 500K output sample, Rnj 1 Instruct is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $1.4 for Devstral 2 2512 and $0.22 for Rnj 1 Instruct.

Best Fit

Choose Devstral 2 2512 when you care most about larger context window.

Choose Rnj 1 Instruct 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, Rnj 1 Instruct is estimated at $0.22 vs $1.4 for Devstral 2 2512, saving $1.17 (83.9% lower).
  • Rnj 1 Instruct is $1.17 cheaper on the standard workload (83.9% lower).
  • Rnj 1 Instruct is $0.25 cheaper per 1M input tokens (62.5% lower; 2.67x difference).
  • Rnj 1 Instruct is $1.85 cheaper per 1M output tokens (92.5% lower; 13.3x difference).
  • Devstral 2 2512 has 229.38K more context (8x larger).
Head-to-Head Specs
FeatureDevstral 2 2512
(Mistral)
Rnj 1 Instruct
(EssentialAI)
Input Price
prompt tokens per 1M
$0.4$0.15
Completion Price
per 1M tokens
$2$0.15
Sample Workload Cost
1M input + 500K output
$1.4$0.22
Context Window262.14K32.77K
Release Date

Use-Case Decision Matrix

Use caseBetter pickWhy
Budget-constrained productionRnj 1 InstructOn the standard 1M input plus 500K output workload, Rnj 1 Instruct is estimated at $0.22 vs $1.4 for Devstral 2 2512, saving $1.17 (83.9% lower).
High-volume input processingRnj 1 InstructLower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbotsRnj 1 InstructLower output-token price matters most when assistants generate many completion tokens.
RAG or long-document workDevstral 2 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 Devstral 2 2512 when lower sample workload cost matters most: $0.04.
  • Mistral Small 3 can replace Devstral 2 2512 when lower sample workload cost matters most: $0.09.
  • Ministral 3 3B 2512 can replace Devstral 2 2512 when lower sample workload cost matters most: $0.15.
  • Mistral Small 3.2 24B can replace Devstral 2 2512 when lower sample workload cost matters most: $0.17.
Larger context near this budget
Popular competitors
  • No popular competitor is currently available.

Cheaper alternatives

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Larger context alternatives

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Provider catalogs

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Mistral catalog

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EssentialAI catalog

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Devstral 2 2512

Devstral 2 is a state-of-the-art open-source model by Mistral AI specializing in agentic coding. It is a 123B-parameter dense transformer model supporting a 256K context window. Devstral 2 supports exploring...

Rnj 1 Instruct

Rnj-1 is an 8B-parameter, dense, open-weight model family developed by Essential AI and trained from scratch with a focus on programming, math, and scientific reasoning. The model demonstrates strong performance...