AiCostCompare

Compare models

Pick up to 4 models for a side-by-side spec sheet. Hover any dotted metric name for what the test measures. Best value in each row is highlighted.

Claude Sonnet 5DeepSeek V4 Flash 0423
Claude Sonnet 5

Anthropic

DeepSeek V4 Flash 0423

DeepSeek

Pricing
Input $/1M$2.00$0.037
Output $/1M$10.00$0.074
Blended $/1M (3:1)$4.00$0.047
Cache read $/1M$0.20$0.0074
Cache write $/1M$2.50
Quality indices
Intelligence Index38.234.3
Coding Index71.569.1
Math Index
Agentic Index43.622.2
Speed & latency
Output speed (tok/s)82241
Time to first token118.14s0.98s
Time to first answer token118.14s9.28s
Benchmarks (Artificial Analysis)
GPQA Diamond91.1%90.8%
Humanity's Last Exam41.3%38.6%
SciCode54.3%50.3%
AA-LCR (Long Context Reasoning)82.0%79.7%
Terminal-Bench 2.180.5%78.7%
τ³-Bench Banking37.3%39.4%
Design Arena (Elo)
Website1,2881,220
Web apps1,260
Full-stack1,260
Mobile apps1,249
Android native1,240
UI components1,2991,180
Data viz1,2601,142
SVG1,2121,179
3D1,2891,217
Game dev1,3131,220
Agentic game dev1,227
Godot game dev1,238
HTML slides1,220
Python→PPTX slides1,216
Code categories1,2931,220
ASCII art1,2261,129
Specs
Context window1M1.05M
Max output tokens128K384K
Input modalitiestext, image, filetext
TokenizerClaudeDeepSeek