DeepSeek Reasoner (R1) vs Stable Code 3B

Performance benchmarks + pricing comparison — updated April 2026

DeepSeek Reasoner (R1)

DeepSeek

DeepSeek's reasoning model. Comparable to OpenAI's o1 but at much lower cost.

Input$0.550/M
Output$2.19/M
Context128K tokens
Best ForComplex reasoning, math, advanced coding
Benchmark72/100

Stable Code 3B

Stability AI

Stability AI's code-focused model. Small, efficient model for code completion and generation.

Input$0.050/M
Output$0.200/M
Context32K tokens
Best ForCode completion, IDE integration, lightweight coding assistant

Cost Comparison by Scenario

Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.

ScenarioDeepSeek Reasoner (R1)Stable Code 3BSavings
Small Script (1K lines) $0.08 <$0.01 Stable Code 3B saves $0.08 (91%)
Medium Feature (10K lines) $0.63 $0.06 Stable Code 3B saves $0.57 (91%)
Large Project (50K lines) $3.15 $0.29 Stable Code 3B saves $2.86 (91%)
Code Review (5K lines) $0.15 $0.01 Stable Code 3B saves $0.14 (91%)

Verdict

Stable Code 3B wins on both price and performance — $0.050/M input with a benchmark score of N/A/100.

For most developers, this is the clear choice between these two models.

Compare with Other Models