GPT-5.6 Terra
openai/gpt-5.6-terra- OpenAI
- Family · GPT-5 Terra
- Released 9 Jul 2026
- File · Image · Text → Text
- Reasoning · adjustable
- Tools · JSON · Vision
Spec & list price
Context1M
Max output128K
Input / 1M$2.00
Output / 1M$12.006× input
Scores · standing
Intelligence42.1#28/489
LiveBench67.8#14/32
Coding76.7#6/196
Usage
Tokens / day23.8B▼ 28% 7d
Usage rank#68
Requests / day859.0K
Tool calls / req0.37
Per request · 30 days
Avg input18.2K1.2× median
Avg output3980.6× median
Cache hit73%about median
Reasoning share37%0.7× median
Tool-call failures0.6%0.3× median
Consumption
Peak 76.4B 28 SepLow 17.4B 3 OctRank today #68
News & trends
11 mentions this week ▲ 1000%this model · videos, posts, articles · 30 days
Trending · 14 days
- GPT-6.1 Terra vs GPT-5.6 Terra — Is the Upgrade Worth It?152 views
- GPT-6.1 Terra vs GPT-5.6 Terra : j'ai testé les deux, le vrai résultat150 views
- @ArtificialAnlys on X174.1K views
News · latest from OpenAI
- Chinese labs now target OpenAI's GPT-6 Astra for distillationfork.zone · 1 Nov
- GPT-6.1 Terrasimonwillison.net · 31 Oct
- GPT-5.6 Sol can beat Factorio on peaceful moderyanmadden.net · 31 Oct
- Post-training 4B model with RL to fly Tesla Roadster 21% better than GPT-6 Astraskypilot.ai · 30 Oct
Benchmarks
bar = share of the top score · Benchmark data: Artificial AnalysisSpeed · median across 7 providers, latest day
Output speed#120/33482 tok/s1.2× faster than median
Fastest provider103 tok/sbest of 7 providers
First token#2622.01 s2.0× longer than median
#15 cheapest of 17 with a similar score
Value
Intelligence Index
Blended price per 1M tokens (log)
LiveBench suites
Browser70.3
Coding86.2
Data Analysis79.3
Design76.0
Long Agentic33.1
Reasoning90.6
Research60.4
▲ Strongest: Reasoning, Coding. ▼ Weakest: Long Agentic (33).
Technical details
- Reasoning
- on · medium
- Tokenizer
- GPT
- Knowledge cutoff
- 2026-02-16
- Moderation
- moderated
Reasoning effort
- max
- xhigh
- high
- medium · default
- low
- none
Request parameters 11
- tools
- tool_choice
- response_format
- structured_outputs
- reasoning
- reasoning_effort
- include_reasoning
- max_tokens
- max_completion_tokens
- seed
+1 more
- verbosity
When to use
Best for
- Coding agents at mid-tier cost
- Terminal automation with tool calling
- Reasoning over very long documents
- Image and file understanding
- Steady-volume production assistants
Think twice for
- Multi-hour autonomous agent runs
- Self-hosting (closed weights)
- Simple bulk classification (cheaper options exist)
Research papers
- TreasuryQA Bench: Can AI Agents Work an Archive of Scanned Financial Records?28 Oct
- El Agente Quntur: Agentic Active-Space Selection for CASSCF28 Oct
- Do LLMs Reproduce the Age Gap in Loneliness? Evaluating Survey Simulation against European Survey Data18 Oct
- PresenceBench: An Exploratory Evaluation of Large Language Model Adaptation to User State16 Oct
- Do Personalized LLMs Need the Whole Conversation? Matching the Full History with Only 5% of Its Text via Relevance-Filtered Context10 Oct
- Evaluating Rubric Generation with Interventional Transfer7 Oct
- Large-scale Repository Engineering via Agent-Native Reusable Code Primitives6 Oct
- ServeLearnBench: How Well Can Agents Self-Improve from Serving Experience?6 Oct
Social
Most watched and discussed · 90 days
- GPT-6.1 Terra vs GPT-5.6 Terra — Is the Upgrade Worth It?120X GROWTH · 152 views · 27 Oct
- GPT-6.1 Terra vs GPT-5.6 Terra : j'ai testé les deux, le vrai résultatVanessa · 150 views · 27 Oct
- GPT-6.1 Terra vs. Sol vs. GPT-5.6 Terra: 20 Rechnungen, 3 FallenKontextkern · 84 views · 29 Oct
- GPT-6.1 Terra Launch: 50% Cheaper Than GPT-5.6 Terra, Benchmarks ExplainedAI Signal Live: Tech · 56 views · 27 Oct
- GPT 6.1 Terra vs GPT 5.6 TerraAI GAME LAB · 52 views · 30 Oct
- OpenAI Launches GPT-6.1 Terra With API Prices 50% Below GPT-5.6 Terra and GPT-6.1 SolAI Signal Live: Tech · 15 views · 28 Oct
- GPT-5.6 Terra vs Kimi K3: 8-Soul Hit | Eigendark Model Arena 070Eigendark · 9 views · 21 Oct
- DeepSeek V4 Pro vs GPT-5.6 Terra: 8-Soul Hit | Eigendark Model Arena 079Eigendark · 5 views · 28 Oct
- OpenAI: GPT-6.1 Terra launches with API prices 50% below GPT-5.6 Terra | Oct 27, 2026Stock News Daily · 5 views · 27 Oct
Same family
GPT-5 TerraAlternatives
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