Claude Sonnet 4 Lite vs Stable LM 2

Performance benchmarks + pricing comparison — updated April 2026

Claude Sonnet 4 Lite

Anthropic

Lighter version of Claude Sonnet 4. Good balance of quality and cost for day-to-day coding.

Input$1.00/M
Output$5.00/M
Context200K tokens
Best ForDay-to-day coding, documentation, cost-conscious teams
Benchmark70/100

Stable LM 2

Stability AI

Stability AI's general-purpose language model. Open weights with competitive performance.

Input$0.100/M
Output$0.400/M
Context32K tokens
Best ForGeneral 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.

ScenarioClaude Sonnet 4 LiteStable LM 2Savings
Small Script (1K lines) $0.21 $0.02 Stable LM 2 saves $0.19 (92%)
Medium Feature (10K lines) $1.55 $0.12 Stable LM 2 saves $1.44 (93%)
Large Project (50K lines) $7.76 $0.58 Stable LM 2 saves $7.19 (93%)
Code Review (5K lines) $0.40 $0.03 Stable LM 2 saves $0.37 (93%)

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.

Compare with Other Models