AI Calculator Pro

Claude Opus 4.1 (latest)

Anthropic · model · context window 200,000 tokens.

Pricing (per 1M tokens)

Input$15.00
Output$75.00
Cache read$1.50

Specifications

Context window200,000 tokens
Max output32,000 tokens
Modalitiestext
VisionNo
Tool useYes
ReasoningNo
Prompt cachingNo

Intelligence & value

Measured
Overall1417 · #47
Coding1389 · #41

Worth it? DeepSeek V4 Flash matches or beats Claude Opus 4.1 (latest) on the overall Arena and costs about $35.00/month versus $6,000.00/month at 100,000 calls — roughly $5,965.00/month cheaper.

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.

Estimate cost with Claude Opus 4.1 (latest)

Claude Opus 4.1 (latest) is pre-selected below. Enter your token counts and volume to see the cost per request, per day and per month — then switch models to compare.

Results update automatically as you type.

Result
$0.0525 per request
~$1,575.00/month at 1,000 requests/day
Input cost
$0.0150
Output cost
$0.0375
Per request
$0.0525
Per day
$52.50
Per month
$1,575.00

Source: auto-discovery (models.dev). Prices are re-checked daily against the provider’s official pricing; this rate was last changed on 19 July 2026. A recent date here just means the price is still current, not that it moved.