OpenAI API pricing overview
OpenAI prices are tracked as direct provider prices when an official pricing page or docs page is available.
Last updated: · Source status: Official stale
Models table
| Model | Input / 1M | Output / 1M | Context | Source status |
|---|---|---|---|---|
| GPT-5 (API) | $1.25 | $10 | 400K tokens | Watchlist |
| GPT-4o | $2.5 | $10 | 128K tokens | Official stale |
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Provider cost calculator
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Direct chat or completion usage.
requests / month
tokens / request
tokens / request
Estimated monthly cost$22.5
Gemini 3.5 Flash
Annual budget$270
Based on 12 months
Cost per user$0.0023
Per active user / month
Cost per task$0.0002
Per modeled task
Cheapest alternativeGemini 3.5 Flash
$22.5 / month
Best value candidateGemini 3.5 Flash
$22.5 / month
Data last verified Jun 26, 2026 Source status visible on every result Watchlist prices are not procurement advice
Gemini 3.5 Flash is watchlist; verify sources before procurement. Llama 3.1 70B Instruct is aggregator verified; verify sources before procurement. GPT-5 (API) is watchlist; verify sources before procurement.
| Model | Provider | Source status | Input / 1M | Output / 1M | Monthly cost | Cost / task |
|---|---|---|---|---|---|---|
| Gemini 3.5 Flash | Watchlist | $0.08 | $0.30 | $22.5 | $0.0002 | |
| Llama 3.1 70B Instruct | Meta / Hosted APIs | Aggregator verified | $0.59 | $0.79 | $98.5 | $0.0010 |
| GPT-5 (API) | OpenAI | Watchlist | $1.25 | $10 | $625 | $0.0063 |
| GPT-4o | OpenAI | Official stale | $2.5 | $10 | $750 | $0.0075 |
| Claude 3.5 Sonnet | Anthropic | Official stale | $3 | $15 | $1,050 | $0.0105 |
Cache impact: 0% · selected models: 5