API cost decision in 10 seconds

Devstral 2 2512 vs Claude Opus 4.5

Pick Devstral 2 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 Devstral 2 2512 when budget and context both matter.

On the standard 1M input plus 500K output workload, Devstral 2 2512 is estimated at $1.4 vs $17.5 for Claude Opus 4.5, saving $16.1 (92% lower).

Cost-first pickDevstral 2 2512
Context-first pickDevstral 2 2512
Sample savings$16.192%
10x traffic gap$161

Devstral 2 2512 is cheaper on the standard workload and also has the larger context window. At 10x that traffic, the same price gap is about $161. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Devstral 2 2512 stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shapeToken mixBetter pickDevstral 2 2512Claude Opus 4.5
Input-heavy / RAG5M input + 500K outputDevstral 2 2512$3$37.5
Balanced workload1M input + 1M outputDevstral 2 2512$2.4$30
Output-heavy chatbot1M input + 5M outputDevstral 2 2512$10.4$130
Cheaper input Devstral 2 2512 $0.4 vs $5 / 1M

Devstral 2 2512 is $4.6 cheaper per 1M input tokens (92% lower; 12.5x difference).

Cheaper output Devstral 2 2512 $2 vs $25 / 1M

Devstral 2 2512 is $23 cheaper per 1M output tokens (92% lower; 12.5x difference).

Larger context Devstral 2 2512 262.14K vs 200K

Devstral 2 2512 has 62.14K more context (1.31x larger).

Sample workload Devstral 2 2512 $1.4 vs $17.5

Devstral 2 2512 is $16.1 cheaper on the standard workload (92% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.
Devstral 2 2512 Calculating… Estimated API cost
Claude Opus 4.5 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

Devstral 2 2512 has the lower input price; Devstral 2 2512 has the lower output price; Devstral 2 2512 offers the larger context window. For the 1M input plus 500K output sample, Devstral 2 2512 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 $17.5 for Claude Opus 4.5.

Best Fit

Choose Devstral 2 2512 when you care most about lower input-token price, lower output-token price, and larger context window.

Choose Claude Opus 4.5 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, Devstral 2 2512 is estimated at $1.4 vs $17.5 for Claude Opus 4.5, saving $16.1 (92% lower).
  • Devstral 2 2512 is $16.1 cheaper on the standard workload (92% lower).
  • Devstral 2 2512 is $4.6 cheaper per 1M input tokens (92% lower; 12.5x difference).
  • Devstral 2 2512 is $23 cheaper per 1M output tokens (92% lower; 12.5x difference).
  • Devstral 2 2512 has 62.14K more context (1.31x larger).
Head-to-Head Specs
FeatureDevstral 2 2512
(Mistral)		Claude Opus 4.5
(Anthropic)
Input Price
prompt tokens per 1M		$0.4$5
Completion Price
per 1M tokens		$2$25
Sample Workload Cost
1M input + 500K output		$1.4$17.5
Context Window262.14K200K
Release Date

Use-Case Decision Matrix

Use caseBetter pickWhy
Budget-constrained productionDevstral 2 2512On the standard 1M input plus 500K output workload, Devstral 2 2512 is estimated at $1.4 vs $17.5 for Claude Opus 4.5, saving $16.1 (92% lower).
High-volume input processingDevstral 2 2512Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbotsDevstral 2 2512Lower 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.
Popular competitors
  • No popular competitor is currently available.

Cheaper alternatives

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

Open cheapest models

Larger context alternatives

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

Open largest context models

Provider catalogs

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

Open provider hubs

Mistral catalog

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

Open Mistral models

Anthropic catalog

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

Open Anthropic models
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...

Claude Opus 4.5

Claude Opus 4.5 is Anthropic’s frontier reasoning model optimized for complex software engineering, agentic workflows, and long-horizon computer use. It offers strong multimodal capabilities, competitive performance across real-world coding and...