Flagship models
Prompt caching | |||||
|---|---|---|---|---|---|
| Model | Input | Output | Cached input | 30m write | 12h write |
| gpt-6-astra | $10.00 | $50.00 | $1.00 | $12.50 | $25.00 |
| gpt-6.1-sol | $2.00 | $10.00 | $0.10 | $2.50 | $5.00 |
| gpt-6.1-terra | $1.00 | $5.00 | $0.05 | $1.25 | $2.50 |
| gpt-6-luna | $0.10 | $0.50 | $0.01 | $0.125 | $0.25 |
Prompt caching | |||||
|---|---|---|---|---|---|
| Model | Input | Output | Cached input | 30m write | 12h write |
| gpt-6-astra | $5.00 | $25.00 | $0.50 | $6.25 | $12.50 |
| gpt-6.1-sol | $1.00 | $5.00 | $0.05 | $1.25 | $2.50 |
| gpt-6.1-terra | $0.50 | $2.50 | $0.025 | $0.625 | $1.25 |
| gpt-6-luna | $0.05 | $0.25 | $0.005 | $0.0625 | $0.125 |
Prompt caching | |||||
|---|---|---|---|---|---|
| Model | Input | Output | Cached input | 30m write | 12h write |
| gpt-6-astra | $20.00 | $100.00 | $2.00 | $25.00 | $50.00 |
| gpt-6.1-sol | $4.00 | $20.00 | $0.20 | $5.00 | $10.00 |
| gpt-6.1-terra | $2.00 | $10.00 | $0.10 | $2.50 | $5.00 |
| gpt-6-luna | $0.20 | $1.00 | $0.02 | $0.25 | $0.50 |
Prompt caching | |||||
|---|---|---|---|---|---|
| Model | Input | Output | Cached input | 30m write | 12h write |
| gpt-6-astra | $60.00 | $300.00 | $6.00 | $75.00 | $150.00 |
| gpt-6.1-sol | $12.00 | $60.00 | $0.60 | $15.00 | $30.00 |
Regional processing (data residency) endpoints are charged a 10% uplift for models released on or after March 5, 2026. FedRAMP endpoints are also charged a 10% uplift. Priority processing was renamed Fast mode on July 30, 2026. GPT-5.6 Sol’s promotional pricing is available until November 30, 2026.
Multimodal models
Images
| Model | Modality | Input | Output | Cached input |
|---|---|---|---|---|
| gpt-image-2.6-sunburst | Image | $8.00 | $30.00 | $2.00 |
| Text | $5.00 | - | $1.25 | |
| gpt-image-2.6-flare | Image | $8.00 | $30.00 | $2.00 |
| Text | $5.00 | - | $1.25 |
| Model | Modality | Input | Output | Cached input |
|---|---|---|---|---|
| gpt-image-2 | Image | $4.00 | $15.00 | $1.00 |
| Text | $2.50 | - | $0.625 |
For image generation cost estimates, use the calculator in the image generation guide.
Audio
GPT-Live
| Model | Price per minute |
|---|---|
| gpt-live-1 | $0.05 |
GPT-Live 1 voice sessions are billed per second, without rounding up to a whole minute. Backend model and tool usage is charged separately.
Realtime & Audio
| Model | Modality | Input | Output | Cached input |
|---|---|---|---|---|
| gpt-realtime-2.1 | Audio | $32.00 | $64.00 | $0.40 |
| Text | $4.00 | $24.00 | $0.40 | |
| Image | $5.00 | - | $0.50 | |
| gpt-realtime-2.1-mini | Audio | $10.00 | $20.00 | $0.30 |
| Text | $0.60 | $2.40 | $0.06 | |
| Image | $0.80 | - | $0.08 |
Transcription
| Model | Use case | Input | Output | Estimated cost |
|---|---|---|---|---|
| gpt-realtime-translate | Live translation | - | - | $0.034 / minute |
| gpt-live-transcribe | Live transcription | - | - | $0.017 / minute |
Specialized models
Prompt caching | ||||||
|---|---|---|---|---|---|---|
| Category | Model | Input | Output | Cached input | 30m write | 12h write |
| CyberTrusted Access: Daybreak | gpt-6-cyber | $20.00 | $100.00 | $2.00 | $25.00 | $50.00 |
| Life SciencesTrusted Access: Rosalind | gpt-6-rosalind | $15.00 | $75.00 | $1.50 | $18.75 | $37.50 |
| Legal | gpt-6-astra-law | $10.00 | $50.00 | $1.00 | - | - |
| ChatGPT | chat-latest | $5.00 | $30.00 | $0.50 | - | - |
Regional processing (data residency) endpoints are charged a 10% uplift for models released on or after March 5, 2026.
Prompt caching | ||||
|---|---|---|---|---|
| Category | Model | Input | Output | Cached input |
Tools
| Tool | Details | Pricing |
|---|---|---|
| Web search | Web search (incl. images) | $10.00 / 1k calls + Search content tokens billed at model rates. |
| Web search preview (reasoning models) | $10.00 / 1k calls + Search content tokens billed at model rates. | |
| Web search preview (other models) | $25.00 / 1k calls + Search content tokens are free. | |
| Containers | Hosted Shell and Code Interpreter | 1 GB $0.03, 4 GB $0.12, 16 GB $0.48, 64 GB $1.92 per 20-minute session per container |
| File search | Storage | $0.10 / GB per day 1 GB free |
| Tool call | $2.50 / 1k calls | |
| Agent Kit | ChatKit file and image upload storage | $0.10 / GB-day 1 GB free |
Tokens used for built-in tools are billed at the chosen model’s per-token rates. GB refers to binary gigabytes (also known as gibibytes), where 1 GB is 2^30 bytes. Agent Kit’s free storage allowance applies per account per month.
Web search content tokens are tokens retrieved from the search index and fed to the model alongside your prompt to generate an answer.
For gpt-4o-mini and gpt-4.1-mini with the non-preview web search tool, search content tokens are billed as a fixed block of 8,000 input tokens per call.
File search tool call pricing applies to the Responses API only. Container pricing includes Hosted Shell and Code Interpreter. Eligible container sessions will be billed by the minute, with a 5-minute minimum per session.
Cloud platforms
Fine-tuning
Fine-tuning is closed to new users. Existing users can continue training for the coming months. Fine-tuned models remain available for inference until their base models are deprecated. Deprecation timeline.
| Model | Training | Input | Output | Cached input |
|---|---|---|---|---|
| gpt-4.1-2025-04-14 | $25.00 | $3.00 | $12.00 | $0.75 |
| gpt-4.1-mini-2025-04-14 | $5.00 | $0.80 | $3.20 | $0.20 |
| Model | Training | Input | Output | Cached input |
|---|---|---|---|---|
| gpt-4.1-2025-04-14 | $25.00 | $1.50 | $6.00 | $0.50 |
| gpt-4.1-mini-2025-04-14 | $5.00 | $0.40 | $1.60 | $0.10 |