Skip to main content
OPOpenAI/ GPT

GPT-5.6 Terra

openai/gpt-5.6-terra

Balanced GPT-5.6 model for capable, cost-efficient everyday work

Model information

Released
2026-07-09
Context window
1.1M
Max output
128K
Weights
Closed

Modalities

Input
ImageText
Output
Text

Identity

Version
gpt-5.6-terra
Knowledge cutoff
2026-02-16
Aliases
GPT-5.6 Terra

Capabilities

AttachmentsReasoningStructuredTool call

Official price

input $2/M · output $12/M
cache read $0.2/M · cache write $2.5/M

Providers

ProviderProvider model IDProtocolContextMax outputInputOutputCapabilitiesNotesPricingStreaming
CrossModelopenai/gpt-5.6-terraopenai_chat1.1M128K
AttachmentsReasoningTool callStructured
-
input $2/M · output $12/M
cache read $0.2/M · cache write $2.5/M
Yes
Vivgridgpt-5.6-terraopenai_chat1.1M128K
AttachmentsReasoningTool callStructuredTemperature
-
input $2.5/M · output $15/M
cache read $0.25/M · cache write $3.125/M
Yes
LLM Gatewaygpt-5.6-terraopenai_chat1.1M128K
AttachmentsReasoningTool callStructured
-
input $2/M · output $12/M
cache read $0.2/M · cache write $2.5/M
Yes
Kenarigpt-5-6-terraopenai_chat1.1M128K
AttachmentsReasoningTool callStructured
-
input $0/M · output $0/M
Yes
OpenCode Zengpt-5.6-terraopenai_chat1.1M128K
AttachmentsReasoningTool callStructured
-
input $2.5/M · output $15/M
cache read $0.25/M · cache write $3.125/M
Yes
GitHub Copilotgpt-5.6-terraopenai_chat1.1M128K
AttachmentsReasoningTool callStructured
-
input $2/M · output $12/M
cache read $0.2/M
Yes
AI-ROUTERgpt-5.6-terraopenai_chat1.1M128K
AttachmentsReasoningTool callStructured
-
input $2.5/M · output $15/M
cache read $0.25/M · cache write $3.125/M
Yes
ZenMuxopenai/gpt-5.6-terraopenai_chat1.1M128K
AttachmentsReasoningTool callStructured
-
input $2.5/M · output $15/M
cache read $0.25/M · cache write $3.125/M
Yes
Abacusgpt-5.6-terraopenai_chat1.1M128K
AttachmentsReasoningTool callStructured
-
input $2.5/M · output $15/M
cache read $0.25/M
Yes
Azure Cognitive Servicesgpt-5.6-terracustom1.1M128K
AttachmentsReasoningTool callStructured
-
input $2.5/M · output $15/M
cache read $0.25/M · cache write $3.125/M
Yes
Azuregpt-5.6-terraopenai_responses1.1M128K
AttachmentsReasoningTool callStructured
-
input $2.5/M · output $15/M
cache read $0.25/M · cache write $3.125/M
Yes
AIHubMixgpt-5.6-terraopenai_chat1.1M128K
AttachmentsReasoningTool callStructured
-
input $2.5/M · output $15/M
cache read $0.25/M · cache write $3.125/M
Yes
Ofoxopenai/gpt-5.6-terraopenai_chat1.1M128K
AttachmentsReasoningTool callStructured
-
input $2/M · output $12/M
cache read $0.2/M · cache write $2.5/M
Yes
routing.rungpt-5.6-terraopenai_chat1.1M128K
AttachmentsReasoningTool callStructured
-
input $1.5/M · output $9/M
Yes
Merge Gatewayopenai/gpt-5.6-terraopenai_chat1.1M128K
AttachmentsReasoningTool callStructured
-
input $2/M · output $12/M
cache read $0.2/M
Yes
Vercel AI Gatewayopenai/gpt-5.6-terraopenai_chat1.1M128K
AttachmentsReasoningTool callStructuredTemperature
-
input $2/M · output $12/M
cache read $0.2/M · cache write $2.5/M
Yes
OpenRouteropenai/gpt-5.6-terraopenai_chat1.1M128K
AttachmentsReasoningTool callStructured
Moderated, Reasoning levels: max, xhigh, high, medium, low, none, Default reasoning: medium
input $1/M · output $6/M
cache read $0.1/M · cache write $1.25/M
Yes
Cloudflare AI Gatewayopenai/gpt-5.6-terraopenai_chat1.1M128K
AttachmentsReasoningTool callStructured
-
input $2.5/M · output $15/M
cache read $0.25/M
Yes
OpenAIgpt-5.6-terraopenai_responses1.1M128K
AttachmentsReasoningTool callStructured
-
input $2/M · output $12/M
cache read $0.2/M · cache write $2.5/M
Yes
Xpersonagpt-5.6-terraopenai_chat1.1M128K
AttachmentsReasoningTool callStructured
-
input $1.5/M · output $2/M
cache read $0.15/M
Yes
NanoGPTopenai/gpt-5.6-terraopenai_chat1.1M128K
AttachmentsReasoningTool callStructured
-
input $1/M · output $6/M
cache read $0.1/M · cache write $1.25/M
Yes
Kilo Gatewayopenai/gpt-5.6-terraopenai_chat1.1M128K
AttachmentsReasoningTool callStructured
-
input $2/M · output $12/M
cache read $0.2/M · cache write $2.5/M
Yes

FAQ