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

OpenAI has reduced the price of its GPT-5.6 Sol flagship model by 50% for input and output tokens, with the promotional pricing available at least through November 21, 2026. The price cut applies to both short and long context windows, lowering input from $4.00 to $2.00 per million tokens and output from $20.00 to $10.00 per million tokens for short context.

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 |