OpenAI: o3
Deliberate o-series reasoner for hard math, coding, and multi-step analysis
Cheapest input
$1
$/MTok · OpenRouter
Cheapest output
$4
$/MTok
Context
200K
tokens
Sources
3
23 listings
Price changes
Cheapest list input/output only. Rates move rarely, so this is an event log. Down means cheaper. Showing the 8 latest changes.
- ↓ lowerOutput $7.20 → $4
- ↓ lowerInput $1.80 → $1
- ↑ higherOutput $4 → $7.20
- ↑ higherInput $1 → $1.80
- ↓ lowerOutput $7.20 → $4
- ↓ lowerInput $1.80 → $1
Sources
Same model, different sources. Our first-party rate is listed first, then router and aggregator rows stay separate so you can see the spread instead of a single blended number.
| Source | Provider | Input | Output | Cache read | Context |
|---|---|---|---|---|---|
| OpenRoutercheapestopenai/o3:batch | OpenRouter | $1 | $4 | $0.25 | 200K |
| LiteLLMopenai/o3:batch | N/A | $1 | $4 | $0.25 | N/A |
| models.devopenai/o3 | Poe | $1.80 | $7.20 | $0.45 | 200K |
| models.devopenai/o3 | Cloudflare | $2 | $8 | $0.5 | 200K |
| models.devopenai/o3 | Eden AI | $2 | $8 | $0.5 | 200K |
| models.devopenai/o3 | Impossibl | $2 | $8 | $0.5 | 200K |
| models.devopenai/o3 | Kilo Gateway | $2 | $8 | $0.5 | 200K |
| models.devopenai/o3 | LLM Gateway | $2 | $8 | $0.5 | 200K |
| models.devopenai/o3 | Merge Gateway | $2 | $8 | $0.5 | 200K |
| models.devopenai/o3 | NanoGPT | $2 | $8 | $1 | 200K |
| models.devopenai/o3 | NEAR AI Cloud | $2 | $8 | $0.5 | 200K |
| models.devo3 | OpenAI | $2 | $8 | $0.5 | 200K |
| OpenRouteropenai/o3 | OpenRouter | $2 | $8 | $0.5 | 200K |
| models.devopenai/o3 | Vercel AI Gateway | $2 | $8 | $0.5 | 200K |
| models.devo3 | 302.AI | $2 | $8 | $0 | 200K |
| models.devo3 | Abacus | $2 | $8 | $0.5 | 200K |
| models.devo3 | Azure | $2 | $8 | $0.5 | 200K |
| models.devo3 | Azure | $2 | $8 | $0.5 | 200K |
| models.devo3 | Helicone | $2 | $8 | $0.5 | 200K |
| models.devo3 | DevPass (LLM Gateway) | $2 | $8 | $0.5 | 200K |
| LiteLLMo3 | N/A | $2 | $8 | $0.5 | N/A |
| LiteLLMvercel_ai_gateway/openai/o3 | N/A | $2 | $8 | $0.5 | N/A |
| models.devo3 | Jiekou.AI | $10 | $40 | $0 | 131K |
Capabilities
- Reasoning
- Tool calling
- Structured output
- Attachments
- In: text
- In: image
- In: pdf
- In: file
- Out: text
Knowledge cutoff: 2024-05Released: 2025-04-16Family: o
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Data and list-price estimates may contain mistakes. Not investment advice.