AI Calculator Pro

Claude Opus 4.6 vs DeepSeek V4 Flash

Cost and capability comparison. For a sample workload of 1,000 input and 500 output tokens across 100,000 requests/month, DeepSeek V4 Flash is cheaper by about $1,722.00/month.

Claude Opus 4.6DeepSeek V4 Flash
Provideranthropicdeepseek
Input / 1M$5.00$0.1400
Output / 1M$25.00$0.2800
Per request (sample)$0.0175$0.000280
Monthly (sample)$1,750.00$28.00
Context window1,000,0001,000,000
VisionYesNo
ReasoningYesNo
Arena · Overall14491430
Arena · Coding15381345
Arena · Math & reasoning14251340
Arena · Agentic / tool use14351335

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

Claude Opus 4.6 and DeepSeek V4 Flash 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: DeepSeek V4 Flash at $28.00/month
Workload: 1,000 in / 500 out × 100,000 requests/month
DeepSeek V4 FlashDeepSeek$0.000280$28.00$336.001,000,000
Claude Opus 4.6Anthropic$0.0175$1,750.00$21,000.001,000,000

FAQ

Which is cheaper, Claude Opus 4.6 or DeepSeek V4 Flash?

For a workload of 1,000 input and 500 output tokens over 100,000 requests/month, DeepSeek V4 Flash is cheaper, costing about $28.00/month versus $1,750.00/month.

What is the context window of Claude Opus 4.6 and DeepSeek V4 Flash?

Claude Opus 4.6 supports 1,000,000 tokens, while DeepSeek V4 Flash supports 1,000,000 tokens.

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