OpenAI price history
Every pricing change we record for OpenAI API models, newest first. Tracking began Feb 5, 2024. Prices re-verified Aug 15, 2026.
What changed
17 recorded changes · newest first · every move keeps its receipt-
Aug 1, 2026
Price change: GPT-5.6 Terra price move
input_per_mtok: $2.50 → $2.00 · output_per_mtok: $15.00 → $12.00 · cached_input_per_mtok: $0.25 → $0.20
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Aug 1, 2026
Price change: GPT-5.6 Luna price move
input_per_mtok: $1.00 → $0.20 · output_per_mtok: $6.00 → $1.20 · cached_input_per_mtok: $0.10 → $0.02
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Jul 9, 2026
New model added: GPT-5.6 Sol new listing
GPT-5.6 Sol began being tracked.
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Jul 9, 2026
New model added: GPT-5.6 Terra new listing
GPT-5.6 Terra began being tracked.
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Jul 9, 2026
New model added: GPT-5.6 Luna new listing
GPT-5.6 Luna began being tracked.
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Jul 8, 2026
New model added: GPT-5.2 new listing
GPT-5.2 began being tracked.
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Jul 8, 2026
New model added: GPT-5.2 Pro new listing
GPT-5.2 Pro began being tracked.
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Jul 8, 2026
New model added: GPT-5.2 Codex new listing
GPT-5.2 Codex began being tracked.
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Jul 8, 2026
New model added: GPT-5.2 Chat new listing
GPT-5.2 Chat began being tracked.
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Jul 4, 2026
Price change: GPT-4.1 mini price move
cached_input_per_mtok: $0.20 → $0.10
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Jul 4, 2026
Price change: GPT-4.1 nano price move
cached_input_per_mtok: $0.05 → $0.025
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Jul 4, 2026
Price change: o4-mini price move
cached_input_per_mtok: $0.55 → $0.275
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Jul 3, 2026
New model added: GPT-5.5 Pro new listing
GPT-5.5 Pro began being tracked.
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Jul 3, 2026
New model added: GPT-5.4 Pro new listing
GPT-5.4 Pro began being tracked.
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Jul 3, 2026
New model added: GPT-5.4 nano new listing
GPT-5.4 nano began being tracked.
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Jul 3, 2026
New model added: GPT-5.3 Chat new listing
GPT-5.3 Chat began being tracked.
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Jul 3, 2026
New model added: GPT-5.3 Codex new listing
GPT-5.3 Codex began being tracked.
Current OpenAI prices
19 models · cheapest blended firstPer 1M tokens, cheapest blended first. "First tracked" is when this model entered our price history.
| Model | Blended* | Input | Output | First tracked |
|---|---|---|---|---|
| text-embedding-3-small | $0.020 | $0.020 | $— | Feb 5, 2024 |
| text-embedding-3-large | $0.130 | $0.130 | $— | Feb 5, 2024 |
| GPT-5.6 Luna | $0.450 | $0.200 | $1.20 | Jul 9, 2026 |
| GPT-5.4 nano | $0.463 | $0.200 | $1.25 | Mar 17, 2026 |
| GPT-4.1 mini | $0.700 | $0.400 | $1.60 | Apr 14, 2025 |
| GPT-5.4 mini | $1.69 | $0.750 | $4.50 | Mar 17, 2026 |
| GPT-4.1 | $3.50 | $2.00 | $8.00 | Apr 14, 2025 |
| GPT-5.6 Terra | $4.50 | $2.00 | $12.00 | Jul 9, 2026 |
| GPT-5.3 Chat | $4.81 | $1.75 | $14.00 | Mar 9, 2026 |
| GPT-5.3 Codex | $4.81 | $1.75 | $14.00 | Mar 2, 2026 |
| GPT-5.2 | $4.81 | $1.75 | $14.00 | Jul 8, 2026 |
| GPT-5.4 | $5.63 | $2.50 | $15.00 | Mar 9, 2026 |
| GPT-Realtime-2 | $9.00 | $4.00 | $24.00 | May 11, 2026 |
| GPT-5.5 | $11.25 | $5.00 | $30.00 | Apr 27, 2026 |
| GPT-5.6 Sol | $11.25 | $5.00 | $30.00 | Jul 9, 2026 |
| GPT-Image-2 | $13.50 | $8.00 | $30.00 | May 6, 2026 |
| GPT-5.2 Pro | $57.75 | $21.00 | $168.00 | Jul 8, 2026 |
| GPT-5.5 Pro | $67.50 | $30.00 | $180.00 | Apr 27, 2026 |
| GPT-5.4 Pro | $67.50 | $30.00 | $180.00 | Mar 9, 2026 |
About this log
ModelPriceWatch re-verifies OpenAI API pricing against its official pricing page on a twice-daily refresh cycle and records every change here.
Quick stats
- Models tracked
- 19
- Recorded changes
- 17
- Tracking since
- Feb 5, 2024
- Last change
- Aug 1, 2026