OpenAI: GPT-5.6 Terra

gpt-5.6-terra

This model is not available through Newton’s yet. It will appear here when it is ready to use.

Modalities: Text, code → text
In / Out Price: — / — per 1M
Context: Not published
Released: 2026
Knowledge Cutoff: 2026

Providers

Newton’s exposes one customer-facing gateway route. Supplier and upstream routing details are kept internal.

Route	Status	Input /M	Output /M	Cache read /M
Newton’s gateway OpenAI-compatible API	Unavailable	—	—	—

Pricing

Activity records the price used for each request. Cached input is shown separately when it is available.

Input / 1M—

Cached input / 1M—

Output / 1M—

Performance

Latency and throughput history are still collecting. Newton’s will show percentile, time window, and sample size once enough production observations exist.

Performance history is collecting—

Availability

Availability history is not yet published. Current catalog state is shown without converting a single verification run into an uptime claim.

Current stateUnavailable

Last verifiedPending

Requested modelExact model

Availability and billing

Current catalog availability and billing status are shown below. Reported-model ID checks are not independent proof of the underlying model’s provenance.

Model availabilityUnavailable
Billing statusNot verified

Quick Start

This model is not published on Newton’s yet.—

Browse models or check availability again after this model is available.

Use the OpenAI-compatible API with the exact model ID.

curl https://newtons.dev/api/v1/responses \
  -H "Authorization: Bearer $NEWTONS_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"gpt-5.6-terra","input":"Hello from Newtons"}'

Activity

Request-level tokens, cost, model identity, and latency appear in your Activity after you make a request.

Open Activity →

Head-to-Head Comparisons

Compare gpt-5.6-terra against other frontier models served through Newton’s unified OpenAI-compatible gateway:

Gemini 3.8 Flash High vs GPT-5.6 Terra

Fast Multimodal & Sub-Agents

GPT-5.6 Terra vs Claude Opus 5

Head-to-Head API Comparison

GPT-5.6 Terra vs GPT-6.1 Sol

Head-to-Head API Comparison

GPT-5.6 Terra vs Claude Sonnet 5.5

Head-to-Head API Comparison

GPT-5.6 Terra vs DeepSeek V4 Pro

Head-to-Head API Comparison

GPT-5.6 Terra vs Grok 4.7

Head-to-Head API Comparison