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GPT-5.4 vs o3 Deep Research
List-price comparison ·GPT-5.4 details ·o3 Deep Research details
For a typical workload (100,000 requests / mo), GPT-5.4 is the cheapest — 68% less than the priciest here ($900.00/mo vs $2,800.00/mo).
| GPT-5.4 | o3 Deep Research | |
|---|---|---|
| Input / 1M tokens | $2.50 | $10.00 |
| Output / 1M tokens | $15.00 | $40.00 |
| Typical request (1,200 in + 400 out) | $0.009 | $0.028 |
| Context window | 1050k tokens | 200k tokens |
| Max output | 128k tokens | 100k tokens |
| Quality score | 95/100 | 94/100 |
| Tier | Flagship | Flagship |
| Provider | OpenAI | OpenAI |
Projected monthly cost
| Requests / mo | GPT-5.4 | o3 Deep Research |
|---|---|---|
| 1,000 | $9.00 | $28.00 |
| 10,000 | $90.00 | $280.00 |
| 100,000 | $900.00 | $2,800.00 |
GPT-5.4
Excellent general-purpose reasoning and broad world knowledge, with strong performance on coding, math, and multi-modal (image + file) inputs.
Output tokens are priced well above input tokens, so verbose responses dominate cost — tight max-token limits and prompt caching matter.
o3 Deep Research
Auto-synced from OpenRouter — no editorial write-up yet.
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Vendor list rates · per-request examples assume 1,200 input + 400 output tokens.