OpenAI o3-mini is 68% cheaper than Claude 3.5 Sonnet (v2) on blended 3:1 token pricing. OpenAI o3-mini costs $1.10/1M in and $4.40/1M out, while Claude 3.5 Sonnet (v2) costs $3.00/1M in and $15.00/1M out.
OpenAI o3-mini vs Claude 3.5 Sonnet (v2)
Compare verified input/output token rates, prompt caching discounts, latency tiers, and context limits between OpenAI and Anthropic.
| Metric / Feature | OpenAI o3-mini (OpenAI) | Claude 3.5 Sonnet (v2) (Anthropic) |
|---|---|---|
| Input Price ($ / 1M Tokens) | $1.10 | $3.00 |
| Output Price ($ / 1M Tokens) | $4.40 | $15.00 |
| Prompt Caching Input Rate | $0.550/1M | $0.300/1M |
| Blended 3:1 Rate (Production) | $1.925 / 1M | $6.000 / 1M |
| Max Context Window | 200k | 200k |
| Multimodal Vision | ❌ Text Only | ✅ Supported |
| MMLU Benchmark | 89.5% | 88.3% |
| Throughput & Latency | Fast Reasoning (~60 t/s) | Fast (~50 t/s) |
| Best For | High-throughput complex code synthesis and mathematical logic | Autonomous coding, complex tool use, multi-step agent reasoning |
When to Choose OpenAI o3-mini
Choose OpenAI o3-mini if your workload requires high-throughput complex code synthesis and mathematical logic. Ideal for teams needing OpenAI's infrastructure and ecosystem tooling.
When to Choose Claude 3.5 Sonnet (v2)
Choose Claude 3.5 Sonnet (v2) if your primary objective is autonomous coding, complex tool use, multi-step agent reasoning. Ideal for scaling high-throughput pipelines with Anthropic.
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