AI Calculator Pro

Devstral 2 vs Grok 4.5

Cost and capability comparison. For a sample workload of 1,000 input and 500 output tokens across 100,000 requests/month, Devstral 2 is cheaper by about $415.00/month.

Devstral 2Grok 4.5
Providermistralxai
Input / 1M$0.4000$2.00
Output / 1M$0.9000$6.00
Per request (sample)$0.000850$0.00500
Monthly (sample)$85.00$500.00
Context window262,000500,000
VisionNoYes
ReasoningNoYes
Arena · Overall13401451
Arena · Coding11941550
Arena · Math & reasoning13301445
Arena · Agentic / tool use1420

Intelligence scores are community Arena ratings from LMArena / arena.ai, used under CC BY 4.0. Snapshot last refreshed 28 July 2026. Scores are a relative signal, not an absolute measure of capability. A Measured score was voted on directly; an Estimated score is inherited from an identical base model (a regional/creator-prefixed hosting duplicate). See our methodology.

Compare on your own workload

Devstral 2 and Grok 4.5 are pre-loaded. Adjust the tokens and monthly volume to see which is cheaper for your usage.

Used unless you set active users below.

Results update automatically as you type.

Result
Cheapest: Devstral 2 at $85.00/month
Workload: 1,000 in / 500 out × 100,000 requests/month
Devstral 2Mistral AI$0.000850$85.00$1,020.00262,000
Grok 4.5xAI$0.00500$500.00$6,000.00500,000

FAQ

Which is cheaper, Devstral 2 or Grok 4.5?

For a workload of 1,000 input and 500 output tokens over 100,000 requests/month, Devstral 2 is cheaper, costing about $85.00/month versus $500.00/month.

What is the context window of Devstral 2 and Grok 4.5?

Devstral 2 supports 262,000 tokens, while Grok 4.5 supports 500,000 tokens.

Estimates for planning only. Verify current pricing with each provider.