Compare

GPT-5.6 Terra vs Jev 1.14

Pricing per million tokens, context window, capabilities — pulled from each provider's public docs. All 2 are available via the same AIgateway OpenAI-compatible endpoint; flip the model string to switch.

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GPT-5.6 Terra
openai/gpt-5.6-terra
J1
Jev 1.14
typesafe/jev-1.14.0
Provider
OpenAI
Typesafe
Family
GPT-5
Modality
text
text
Context window
1,050,000 tok
32,000 tok
Max output
128,000 tok
32,000 tok
Released
2026-07-10
2026-10-16
License
Proprietary
Open-weight
Input price
$2.00 /1M
$0.042 /1M
Output price
$12.00 /1M
$0.0000 /1M
Tools
yes
—
Streaming
yes
yes
Vision
yes
—
JSON mode
yes
—
Reasoning
yes
—
Prompt caching
—
—
Batch API
—
—
Try it
Open in playground →
Open in playground →
GPT-5.6 Terra
openai/gpt-5.6-terra
Full spec →

GPT-5.6 Terra is an OpenAI GPT-5.6 model that balances intelligence and cost, using the Responses API for reasoning and stateful context management.

Strengths
  • General-purpose chat
  • Long context
  • Tool use
Use cases
ChatbotsContent generationAgentic workflows
Jev 1.14
typesafe/jev-1.14.0
Full spec →

Jev 1.14 is TypeSafe's structured evaluation model. It evaluates one state against typed Noul, Choice, Score, and Box questions and returns calibrated answers with probabilities and confidence. Image inputs and Box questions are beta and dreamer-ready, not recommended for production.

Strengths
  • General-purpose chat
  • Long context
  • Tool use
Use cases
ChatbotsContent generationAgentic workflows

Compare with another

Gemini 4 Argon vs Jev 1.14
google/gemini-4-argon · typesafe/jev-1.14.0
Gemini 4 Argon vs GPT-5.6 Terra
google/gemini-4-argon · openai/gpt-5.6-terra
Claude Opus 5.5 vs Jev 1.14
anthropic/claude-opus-5.5 · typesafe/jev-1.14.0
Claude Opus 5.5 vs GPT-5.6 Terra
anthropic/claude-opus-5.5 · openai/gpt-5.6-terra
Claude Sonnet 5.5 vs Jev 1.14
anthropic/claude-sonnet-5.5 · typesafe/jev-1.14.0
Claude Sonnet 5.5 vs GPT-5.6 Terra
anthropic/claude-sonnet-5.5 · openai/gpt-5.6-terra
Deepseek-V4.1-Flash-1017 vs Jev 1.14
deepseek/deepseek-v4.1-flash-1017 · typesafe/jev-1.14.0
Deepseek-V4.1-Flash-1017 vs GPT-5.6 Terra
deepseek/deepseek-v4.1-flash-1017 · openai/gpt-5.6-terra
Grok 4.7 vs Jev 1.14
xai/grok-4.7 · typesafe/jev-1.14.0
SWITCH BETWEEN THEM

One key, all 2, one line different.

from openai import OpenAI

client = OpenAI(
    base_url="https://api.aigateway.sh/v1",
    api_key="sk-aig-...",
)

# GPT-5.6 Terra
client.chat.completions.create(
    model="openai/gpt-5.6-terra",
    messages=[{"role":"user","content":"hello"}],
)

# Jev 1.14
client.chat.completions.create(
    model="typesafe/jev-1.14.0",
    messages=[{"role":"user","content":"hello"}],
)
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