OpenAI o3-mini is 94% cheaper than Claude 3 Opus on blended 3:1 token pricing. Claude 3 Opus costs $15.00/1M in and $75.00/1M out, while OpenAI o3-mini costs $1.10/1M in and $4.40/1M out.
Claude 3 Opus vs OpenAI o3-mini
Compare verified input/output token rates, prompt caching discounts, latency tiers, and context limits between Anthropic and OpenAI.
| Metric / Feature | Claude 3 Opus (Anthropic) | OpenAI o3-mini (OpenAI) |
|---|---|---|
| Input Price ($ / 1M Tokens) | $15.00 | $1.10 |
| Output Price ($ / 1M Tokens) | $75.00 | $4.40 |
| Prompt Caching Input Rate | $1.500/1M | $0.550/1M |
| Blended 3:1 Rate (Production) | $30.000 / 1M | $1.925 / 1M |
| Max Context Window | 128k | 200k |
| Multimodal Vision | ✅ Supported | ❌ Text Only |
| MMLU Benchmark | 86.8% | 89.5% |
| Throughput & Latency | Standard (~22 t/s) | Fast Reasoning (~60 t/s) |
| Best For | Deep academic research, philosophical analysis, complex multi-document synthesis | High-throughput complex code synthesis and mathematical logic |
When to Choose Claude 3 Opus
Choose Claude 3 Opus if your workload requires deep academic research, philosophical analysis, complex multi-document synthesis. Ideal for teams needing Anthropic's infrastructure and ecosystem tooling.
When to Choose OpenAI o3-mini
Choose OpenAI o3-mini if your primary objective is high-throughput complex code synthesis and mathematical logic. Ideal for scaling high-throughput pipelines with OpenAI.
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