Comparison
Deepseek V3.1 Terminus vs Step 3.5 Flash
Side-by-side comparison of DeepSeek Deepseek V3.1 Terminus and Stepfun Step 3.5 Flash. Pricing, quality benchmarks, and context windows.
Quality Benchmarks
LiveBench / 0-100
Deepseek V3.1 Terminus
83.5Frontier
Step 3.5 Flash
79.3Frontier
Input Price (per 1M)
Output Price (per 1M)
Context Window
Max Output
Pricing per 1M Tokens
$0.2700
Input
$0.0900
67% cheaper
Input
$0.9500
Output
$0.3000
68% cheaper
Output
Token Limits
Context
163.8K
Context
262.1K
Max Output
32.8K
Max Output
16.4K
Deepseek V3.1 Terminus Details
$0.2700 in / $0.9500 out
Step 3.5 Flash Details
$0.0900 in / $0.3000 out
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