openai gpt-5.6
openai gpt-5.6 costs USD 4.00 per 1M input tokens and USD 20.00 per 1M output tokens (community cross-check, https://github.com/BerriAI/litellm/blob/main/model_prices_and_context_window.json), verified 2026-10-24 04:57 UTC.
Last verified 2026-10-24T04:57:20+00:00 · Source: https://github.com/BerriAI/litellm/blob/main/model_prices_and_context_window.json (community cross-check, waak source litellm)
No first-party source is read for this model yet; this value is a community cross-check and can lag the provider.
Price
- Input
- USD 4.00 / 1M tokens
- Output
- USD 20.00 / 1M tokens
- Cached input
- USD 0.40 / 1M
- Cache write
- USD 5.00 / 1M
- Batch input
- USD 2.00 / 1M
- Batch output
- USD 10.00 / 1M
- This price since
- 2026-08-22T23:42:52+00:00
- FX used
- 1 EUR = 1.1699 USD (ECB)
- Billing
- per_token
Specification
- Context window (tokens)
- 922,000
- Max output
- 128,000
- Mode
- chat
- Region
- global
- Listing
- listing not verifiable
aggregator / community mirror: no first-party public page to check against - First seen
- 2026-07-09T18:51:12+00:00
- SKU id
llm/openai/gpt-5.6
Other listings of this model
Sources can disagree. The provider's own listing is first-party; LiteLLM, OpenRouter and models.dev are community cross-checks. Differences are shown, not resolved.
| SKU | Source | Input / 1M | Output / 1M | vs this page | Last verified |
|---|---|---|---|---|---|
| llm/modelsdev/openai/gpt-5.6 | modelsdev (community cross-check) | 4.00 | 20.00 | agrees | 2026-10-24T05:42:41+00:00 |
| llm/modelsdev/xpersona/gpt-5.6 | modelsdev (community cross-check) | 1.50 | 12.00 | differs differs by -62.5% | 2026-10-24T05:42:41+00:00 |
| llm/azure/azure/gpt-5.6 | litellm (community cross-check) | 4.00 | 20.00 | agrees | 2026-10-24T04:57:20+00:00 |
| llm/azure/eu/gpt-5.6 | litellm (community cross-check) | 4.40 | 22.00 | differs differs by +10.0% | 2026-10-24T04:57:20+00:00 |
| llm/azure/us/gpt-5.6 | litellm (community cross-check) | 4.40 | 22.00 | differs differs by +10.0% | 2026-10-24T04:57:20+00:00 |
Price history (90 days)
| Observed (UTC) | Price | USD | EUR | Output / 1M | Snapshot |
|---|---|---|---|---|---|
| 2026-08-22T23:42:52+00:00 | USD 4.00 | 4.00 | 3.4191 | 20.00 | #266 |
| 2026-07-09T18:51:12+00:00 | USD 5.00 | 5.00 | 4.3725 | 30.00 | #223 |
Each row is a change point: the price held from that moment until the next row. Full history: JSON · CSV.
Changes
| Seen | Kind | Change |
|---|---|---|
| 2026-08-22T23:42:52+00:00 between 2026-08-21 and 2026-08-22 |
Price change input, per 1M tokens | 5 → 4 USD (-20.0%) |
| 2026-08-21T21:44:28+00:00 between 2026-08-20 and 2026-08-21 |
Spec change Context window (tokens) | 1050000.0 → 922000.0 |
| 2026-07-09T18:51:12+00:00 between 2026-07-08 and 2026-07-09 |
New SKU | 5 USD |
API: /v1/skus/llm/openai/gpt-5.6
Cite this
Free to reuse under CC BY 4.0 with this credit. The numbers are list prices, not transacted prices.
InfraRabbit (2026). openai gpt-5.6 [data as of 2026-10-24]. https://infrarabbit.com/llm/openai/gpt-5.6 (accessed 2026-10-24). List prices, not transacted prices. CC BY 4.0.
BibTeX
@misc{infrarabbit_llm_openai_gpt_5_6_2026,
author = {{InfraRabbit}},
title = {openai gpt-5.6},
year = {2026},
howpublished = {\url{https://infrarabbit.com/llm/openai/gpt-5.6}},
note = {Data as of 2026-10-24; accessed 2026-10-24; list prices, not transacted prices; CC BY 4.0}
}