GPT-4.1 mini vs Stable LM 2
Performance benchmarks + pricing comparison — updated April 2026
GPT-4.1 mini
OpenAICost-optimized GPT-4.1 variant. Strong coding capability at budget pricing, replacing GPT-4o mini for many use cases.
| Input | $0.400/M |
| Output | $1.60/M |
| Context | 128K tokens |
| Best For | High-volume coding, cost-sensitive projects, automation |
| Benchmark | 68/100 |
Stable LM 2
Stability AIStability AI's general-purpose language model. Open weights with competitive performance.
| Input | $0.100/M |
| Output | $0.400/M |
| Context | 32K tokens |
| Best For | General text generation, multilingual tasks, open-source projects |
Cost Comparison by Scenario
Estimated cost per project with 30% cache hit rate. Actual costs may vary based on usage patterns.
| Scenario | GPT-4.1 mini | Stable LM 2 | Savings |
|---|---|---|---|
| Small Script (1K lines) | $0.06 | $0.02 | Stable LM 2 saves $0.05 (75%) |
| Medium Feature (10K lines) | $0.46 | $0.12 | Stable LM 2 saves $0.35 (75%) |
| Large Project (50K lines) | $2.30 | $0.58 | Stable LM 2 saves $1.73 (75%) |
| Code Review (5K lines) | $0.11 | $0.03 | Stable LM 2 saves $0.08 (75%) |
Verdict
Stable LM 2 wins on both price and performance — $0.100/M input with a benchmark score of N/A/100.
For most developers, this is the clear choice between these two models.
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