modelsdev GPT-5.3 Chat (latest) (openai/gpt-5.3-chat-latest)
modelsdev GPT-5.3 Chat (latest) is no longer listed: it disappeared from https://models.dev/ on 2026-10-20, so no current price is shown. Last verified 2026-10-19 22:42 UTC.
Not verified since 2026-10-19T22:42:32+00:00 (the source's last fetch failed or is older than the freshness window; status ok, last attempt 2026-10-23T23:39:40+00:00). Source: https://models.dev/ (community cross-check, waak source modelsdev). No current price is shown because this SKU is not currently verified. The last archived observations stay in the history below, each with its date.
Delisted 2026-10-20T04:57:01+00:00: this SKU disappeared from the source. Its history stays.
Price
not verified since 2026-10-19T22:42:32+00:00
No current price is shown because this SKU is not currently verified. The last archived observations stay in the history below, each with its date.
Specification
- Context window (tokens)
- 128,000
- Max output
- 16,384
- Open weights
- no
- Reasoning
- no
- Source kind
- community
- Vendor
- openai
- Region
- global
- Listing
- listing not verifiable
aggregator / community mirror: no first-party public page to check against - First seen
- 2026-10-19T22:42:32+00:00
- SKU id
llm/modelsdev/openai/gpt-5.3-chat-latest
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/302ai/gpt-5.3-chat-latest | modelsdev (community cross-check) | 1.75 | 14.00 | – | 2026-10-23T23:39:40+00:00 |
| llm/modelsdev/abacus/gpt-5.3-chat-latest | modelsdev (community cross-check) | 1.75 | 14.00 | – | 2026-10-23T23:39:40+00:00 |
| llm/modelsdev/merge-gateway/openai/gpt-5.3-chat-latest | modelsdev (community cross-check) | 1.75 | 14.00 | – | 2026-10-23T23:39:40+00:00 |
| llm/openai/gpt-5.3-chat-latest | litellm (community cross-check) | 1.75 | 14.00 | – | 2026-10-24T04:57:20+00:00 |
Price history (90 days)
| Observed (UTC) | Price | USD | EUR | Output / 1M | Snapshot |
|---|---|---|---|---|---|
| 2026-10-19T22:42:32+00:00 | USD 1.75 | 1.75 | 1.559 | 14.00 | #34 |
Each row is a change point: the price held from that moment until the next row. Full history: JSON · CSV.
Changes
| Seen | Kind | Change |
|---|---|---|
| 2026-10-20T04:57:01+00:00 between 2026-10-19 and 2026-10-20 |
Delisted | was 1.75 USD |
API: /v1/skus/llm/modelsdev/openai/gpt-5.3-chat-latest
Cite this
Free to reuse under CC BY 4.0 with this credit. The numbers are list prices, not transacted prices.
InfraRabbit (2026). modelsdev GPT-5.3 Chat (latest) [data as of 2026-10-19]. https://infrarabbit.com/llm/modelsdev/openai/gpt-5.3-chat-latest (accessed 2026-10-24). List prices, not transacted prices. CC BY 4.0.
BibTeX
@misc{infrarabbit_llm_modelsdev_openai_gpt_5_3_chat_latest_2026,
author = {{InfraRabbit}},
title = {modelsdev GPT-5.3 Chat (latest)},
year = {2026},
howpublished = {\url{https://infrarabbit.com/llm/modelsdev/openai/gpt-5.3-chat-latest}},
note = {Data as of 2026-10-19; accessed 2026-10-24; list prices, not transacted prices; CC BY 4.0}
}