Stable Code 3B vs O3 Mini
Performance benchmarks + pricing comparison — updated April 2026
Stable Code 3B
Stability AIStability AI's code-focused model. Small, efficient model for code completion and generation.
| Input | $0.050/M |
| Output | $0.200/M |
| Context | 32K tokens |
| Best For | Code completion, IDE integration, lightweight coding assistant |
O3 Mini
OpenAIOpenAI's reasoning model at lower cost. Strong at math, coding, and science tasks.
| Input | $1.10/M |
| Output | $4.40/M |
| Context | 200K tokens |
| Best For | Math, science, coding tasks requiring deep reasoning |
| Benchmark | 80/100 |
Cost Comparison by Scenario
Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.
| Scenario | Stable Code 3B | O3 Mini | Savings |
|---|---|---|---|
| Small Script (1K lines) | <$0.01 | $0.17 | Stable Code 3B saves $0.16 (95%) |
| Medium Feature (10K lines) | $0.06 | $1.27 | Stable Code 3B saves $1.21 (95%) |
| Large Project (50K lines) | $0.29 | $6.33 | Stable Code 3B saves $6.04 (95%) |
| Code Review (5K lines) | $0.01 | $0.30 | Stable Code 3B saves $0.29 (95%) |
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
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Claude Opus 4
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Claude 3.5 Sonnet
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Claude 3.5 Haiku
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Claude 3 Opus
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Claude 3 Sonnet
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