Together Mistral Small 3 vs O3 Mini
Performance benchmarks + pricing comparison — updated April 2026
Together Mistral Small 3
Together AIMistral Small 3 via Together AI. Efficient mid-size model for general tasks.
| Input | $0.800/M |
| Output | $0.800/M |
| Context | 32K tokens |
| Best For | General text tasks, chat, summarization |
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 | Together Mistral Small 3 | O3 Mini | Savings |
|---|---|---|---|
| Small Script (1K lines) | $0.05 | $0.17 | Together Mistral Small 3 saves $0.12 (70%) |
| Medium Feature (10K lines) | $0.44 | $1.27 | Together Mistral Small 3 saves $0.83 (65%) |
| Large Project (50K lines) | $2.20 | $6.33 | Together Mistral Small 3 saves $4.13 (65%) |
| Code Review (5K lines) | $0.16 | $0.30 | Together Mistral Small 3 saves $0.14 (47%) |
Verdict
Together Mistral Small 3 wins on both price and performance — $0.800/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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