GPT-5.3 Chat (latest)

id: openai/gpt-5.3-chat-latest

family: gpt

context: 128,000

modalities: text, image → text

release: 2026-03-03

reasoning tools vision structured temp open weights

Offerings

Provider	Input	Output	Context	Max out
LLM Gateway gpt-5.3-chat-latest	$1.75/M	$14.00/M	128,000	16,384
Merge Gateway openai/gpt-5.3-chat-latest	$1.75/M	$14.00/M	128,000	16,384
OpenAI gpt-5.3-chat-latest	$1.75/M	$14.00/M	128,000	16,384
OrcaRouter openai/gpt-5.3-chat-latest	$1.75/M	$14.00/M	128,000	16,384

Similar matches

These provider models look related but are not exact matches.

Provider	Input	Output	Context	Max out
OpenCode Zen gpt-5	$1.07/M	$8.50/M	400,000	128,000
Poe openai/gpt-5	$1.10/M	$9.00/M	400,000	128,000
302.AI gpt-5	$1.25/M	$10.00/M	400,000	128,000
Abacus gpt-5	$1.25/M	$10.00/M	400,000	128,000
Azure gpt-5	$1.25/M	$10.00/M	272,000	128,000
Azure Cognitive Services gpt-5	$1.25/M	$10.00/M	272,000	128,000
Databricks databricks-gpt-5	$1.25/M	$10.00/M	400,000	128,000
DigitalOcean openai-gpt-5	$1.25/M	$10.00/M	400,000	128,000
FastRouter openai/gpt-5	$1.25/M	$10.00/M	400,000	128,000
Helicone gpt-5	$1.25/M	$10.00/M	400,000	128,000
Kilo Gateway openai/gpt-5	$1.25/M	$10.00/M	400,000	128,000
LLM Gateway gpt-5	$1.25/M	$10.00/M	400,000	128,000
Merge Gateway openai/gpt-5	$1.25/M	$10.00/M	400,000	128,000
NanoGPT openai/gpt-5	$1.25/M	$10.00/M	400,000	128,000
NEAR AI Cloud openai/gpt-5	$1.25/M	$10.00/M	400,000	128,000
Neon gpt-5	$1.25/M	$10.00/M	400,000	128,000
OpenAI gpt-5	$1.25/M	$10.00/M	400,000	128,000
OpenRouter openai/gpt-5	$1.25/M	$10.00/M	400,000	128,000
OrcaRouter openai/gpt-5	$1.25/M	$10.00/M	400,000	128,000
Requesty openai/gpt-5	$1.25/M	$10.00/M	400,000	128,000
SAP AI Core gpt-5	$1.25/M	$10.00/M	400,000	128,000
Vercel AI Gateway openai/gpt-5	$1.25/M	$10.00/M	400,000	128,000
ZenMux openai/gpt-5	$1.25/M	$10.00/M	400,000	64,000
Abacus gpt-5.3-chat-latest	$1.75/M	$14.00/M	400,000	128,000
Azure gpt-5.3-chat	$1.75/M	$14.00/M	128,000	16,384
Kilo Gateway openai/gpt-5.3-chat	$1.75/M	$14.00/M	128,000	16,384
OpenRouter openai/gpt-5.3-chat	$1.75/M	$14.00/M	128,000	16,384
Vercel AI Gateway openai/gpt-5.3-chat	$1.75/M	$14.00/M	128,000	16,384
ZenMux openai/gpt-5.3-chat	$1.75/M	$14.00/M	128,000	16,380
AnyAPI openai/gpt-5	—	—	400,000	128,000
Qiniu openai/gpt-5	—	—	400,000	128,000
Snowflake Cortex openai-gpt-5	—	—	400,000	128,000