# OpenAI: GPT 5.6 Sol price reduction (until at least Nov 21)

> Source: <https://developers.openai.com/api/docs/pricing>
> Published: 2026-08-24 15:22:43+00:00

Flagship models

| Short context | Long context | |||||||
|---|---|---|---|---|---|---|---|---|
| Model | Input | Cached input | Cache writes | Output | Input | Cached input | Cache writes | Output |
| gpt-5.6-sol | $4.00 | $0.40 | $5.00 | $20.00 | $8.00 | $0.80 | $10.00 | $30.00 |
| gpt-5.6-terra | $2.00 | $0.20 | $2.50 | $12.00 | $4.00 | $0.40 | $5.00 | $18.00 |
| gpt-5.6-luna | $0.20 | $0.02 | $0.25 | $1.20 | $0.40 | $0.04 | $0.50 | $1.80 |

[Your data](/api/docs/guides/your-data)guide for supported regions and processing details.

[OpenAI models in Amazon Bedrock](/api/docs/guides/amazon-bedrock)are billed through AWS and may differ from direct OpenAI pricing.

Priority processing was renamed Fast mode on July 30, 2026. You can use either

`service_tier: "priority"`

or `service_tier: "fast"`

in your API requests. [Learn more about Fast mode](/api/docs/guides/fast-mode).

GPT-5.6 Sol’s promotional pricing is available at least through November 21, 2026.

| Short context | Long context | |||||||
|---|---|---|---|---|---|---|---|---|
| Model | Input | Cached input | Cache writes | Output | Input | Cached input | Cache writes | Output |
| gpt-5.6-sol | $2.00 | $0.20 | $2.50 | $10.00 | $4.00 | $0.40 | $5.00 | $15.00 |
| gpt-5.6-terra | $1.00 | $0.10 | $1.25 | $6.00 | $2.00 | $0.20 | $2.50 | $9.00 |
| gpt-5.6-luna | $0.10 | $0.01 | $0.125 | $0.60 | $0.20 | $0.02 | $0.25 | $0.90 |

[Your data](/api/docs/guides/your-data)guide for supported regions and processing details.

| Short context | Long context | |||||||
|---|---|---|---|---|---|---|---|---|
| Model | Input | Cached input | Cache writes | Output | Input | Cached input | Cache writes | Output |
| gpt-5.6-sol | $2.00 | $0.20 | $2.50 | $10.00 | $4.00 | $0.40 | $5.00 | $15.00 |
| gpt-5.6-terra | $1.00 | $0.10 | $1.25 | $6.00 | $2.00 | $0.20 | $2.50 | $9.00 |
| gpt-5.6-luna | $0.10 | $0.01 | $0.125 | $0.60 | $0.20 | $0.02 | $0.25 | $0.90 |

[Your data](/api/docs/guides/your-data)guide for supported regions and processing details.

| Short context | Long context | |||||||
|---|---|---|---|---|---|---|---|---|
| Model | Input | Cached input | Cache writes | Output | Input | Cached input | Cache writes | Output |
| gpt-5.6-sol | $8.00 | $0.80 | $10.00 | $40.00 | $16.00 | $1.60 | $20.00 | $60.00 |
| gpt-5.6-terra | $4.00 | $0.40 | $5.00 | $24.00 | $8.00 | $0.80 | $10.00 | $36.00 |
| gpt-5.6-luna | $0.40 | $0.04 | $0.50 | $2.40 | $0.80 | $0.08 | $1.00 | $3.60 |

[Your data](/api/docs/guides/your-data)guide for supported regions and processing details.

Cyber models

| Short context | Long context | |||||||
|---|---|---|---|---|---|---|---|---|
| Model | Input | Cached input | Cache writes | Output | Input | Cached input | Cache writes | Output |
| gpt-5.6-sol | $4.00 | $0.40 | $5.00 | $20.00 | $8.00 | $0.80 | $10.00 | $30.00 |
| gpt-5.6-cyber | $12.50 | $1.25 | $15.625 | $75.00 | - | - | - | - |

`daybreak-blue-latest`

and `daybreak-red-latest`

are
aliases that currently point to `gpt-5.6-sol`

and
`gpt-5.6-cyber`

, respectively. As new frontier models are released
through the Daybreak program, these aliases will be updated to point to the
latest models, with pricing adjusted to match each underlying model.

Multimodal models

Realtime and audio generation models

| Model | Modality | Input | Cached input | Output / cost |
|---|---|---|---|---|
| gpt-realtime-2.1 | Audio | $32.00 | $0.40 | $64.00 |
| Text | $4.00 | $0.40 | $24.00 | |
| Image | $5.00 | $0.50 | - | |
| gpt-realtime-2.1-mini | Audio | $10.00 | $0.30 | $20.00 |
| Text | $0.60 | $0.06 | $2.40 | |
| Image | $0.80 | $0.08 | - |

Image generation models

| Model | Modality | Input | Cached input | Output |
|---|---|---|---|---|
| gpt-image-2 | Image | $8.00 | $2.00 | $30.00 |
| Text | $5.00 | $1.25 | - |

| Model | Modality | Input | Cached input | Output |
|---|---|---|---|---|
| gpt-image-2 | Image | $4.00 | $1.00 | $15.00 |
| Text | $2.50 | $0.625 | - |

Video generation models

| Model | Size | Portrait | Landscape | Price per second |
|---|---|---|---|---|
| sora-2 | 720p | 720x1280 | 1280x720 | $0.10 |
| sora-2-pro | 720p | 720x1280 | 1280x720 | $0.30 |
| 1024p | 1024x1792 | 1792x1024 | $0.50 | |
| 1080p | 1080x1920 | 1920x1080 | $0.70 |

| Model | Size | Portrait | Landscape | Price per second |
|---|---|---|---|---|
| sora-2 | 720p | 720x1280 | 1280x720 | $0.05 |
| sora-2-pro | 720p | 720x1280 | 1280x720 | $0.15 |
| 1024p | 1024x1792 | 1792x1024 | $0.25 | |
| 1080p | 1080x1920 | 1920x1080 | $0.35 |

Transcription models

| Model | Use case | Input | Output | Estimated cost |
|---|---|---|---|---|
| gpt-realtime-translate | Live translation | - | - | $0.034 / minute |
| gpt-live-transcribe | Live transcription | - | - | $0.017 / minute |
| gpt-realtime-whisper | Live transcription | - | - | $0.017 / minute |
| gpt-transcribe | Transcription | - | - | $0.0045 / minute |
| gpt-4o-transcribe | Transcription | $2.50 | $10.00 | $0.006 / minute |
| gpt-4o-mini-transcribe | Transcription | $1.25 | $5.00 | $0.003 / minute |

Tools

| Tool | Details | Pricing |
|---|---|---|
| Web search | Web search (all models) | $10.00 / 1k calls + Search content tokens billed at model rates. |
| Image Web search (all models) | $10.00 / 1k calls + Search content tokens billed at model rates. | |
Web search preview (reasoning models, including `gpt-5` , `o-series` ) | $10.00 / 1k calls + Search content tokens billed at model rates. | |
| Web search preview (non-reasoning 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 after 1 GB free per account per month |

Specialized models

| Category | Model | Input | Cached input | Output |
|---|---|---|---|---|
| ChatGPT | chat-latest | $5.00 | $0.50 | $30.00 |
| Codex | gpt-5.3-codex | $1.75 | $0.175 | $14.00 |

| Category | Model | Input | Cached input | Output |
|---|---|---|---|---|
| Codex | gpt-5.3-codex | $3.50 | $0.35 | $28.00 |

Finetuning

OpenAI is winding down the fine-tuning platform. The platform is no longer accessible to new users, but existing users of the fine-tuning platform will be able to create training jobs for the coming months.

All fine-tuned models will remain available for inference until their base
models are deprecated. The full timeline is
[here](/api/docs/deprecations#update-to-openais-self-serve-fine-tuning).

| Model | Training | Input | Cached input | Output |
|---|---|---|---|---|
| o4-mini-2025-04-16 | $100.00 / hour | $4.00 | $1.00 | $16.00 |
| o4-mini-2025-04-16 with data sharing | $100.00 / hour | $2.00 | $0.50 | $8.00 |

| Model | Training | Input | Cached input | Output |
|---|---|---|---|---|
| o4-mini-2025-04-16 | $100.00 / hour | $2.00 | $0.50 | $8.00 |
| o4-mini-2025-04-16 with data sharing | $100.00 / hour | $1.00 | $0.25 | $4.00 |