GPT-5.6 Terra
OpenAIGPTProprietary
Description
GPT-5.6 Terra is the balanced tier of OpenAI's GPT-5.6 family, designed for workloads that balance intelligence and cost. It delivers performance competitive with GPT-5.5 at roughly half the price, supports max reasoning effort, and has a 1.05M-token context window.
Release Date
2026-07-09
Parameters
—
Context Length
1.1M
Modalities
image, pdf, text
Capability Radar
100
general
6
coding
70
reasoning
77
scienceest.
70
agents
70
multimodal
Science uses a reasoning proxy when dedicated science benchmarks are unavailable.
Rankings
| Domain | #Rank | Score | Source |
|---|---|---|---|
| Agentic Capability | 54 | 56.0 | LS |
Benchmark Scores (LLM Stats)
Agents
GDPval-AA
1593.00 / 3000SR
Artificial Analysis Coding Agent Index v1.1
77.40 / 100SR
Connectors
100.0%SR
Search and Function-Calling
94.6%SR
Capture-the-Flag Challenges (Internal)
91.8%SR
BrowseComp
87.5%SR
Terminal-Bench 2.1
87.4%SR
DeepSWE
69.6%SR
Internal Research Debugging Evaluation
67.8%SR
SWE-Bench Pro
63.4%SR
SEC-bench Pro
57.7%SR
RSI Index
56.3%SR
LifeSciBench
56.0%SR
Toolathlon
53.1%SR
ExploitBench
52.9%SR
PostTrainBench Lite
51.5%SR
Big Finance Bench
51.0%SR
Agents' Last Exam
50.4%SR
OSWorld 2.0
50.2%SR
KernelGen 1P
49.2%SR
Management Consulting Tasks (Internal)
37.2%SR
GeneBench-Pro
23.3%SR
ExploitGym
23.2%SR
AutomationBench
15.2%SR
NanoGPT
14.5%SR
Biology
GPQA
92.9%SR
Code
BenchCAD
78.2%SR
General
MMMU-Pro
82.0%SR
MRCR v2 (8-needle)
72.5%SR
Artificial Analysis
55.0%SR
GDP.pdf
24.7%SR
ARC-AGI-3
0.8%SR
Healthcare
HealthBench Consensus
95.1%SR
HealthBench Professional
57.7%SR
HealthBench
57.0%SR
MedChemBench (Internal)
35.0%SR
HealthBench Hard
32.7%SR
Long Context
Graphwalks BFS >128k
71.2%SR
Math
FrontierMath
68.3%SR
AA Evaluation Indices
No AA evaluation data available
LLM Stats Category Scores
Legal100
Finance100
General100
Reasoning70
Agents67
Code6
Physics90
Search90
Biology90
Chemistry90
Math70
Spatial Reasoning70
Long Context70
Tool Calling70
Multimodal60
Safety60
Healthcare60
Vision60
Science40
Systems40
Pricing
Input Price$0 / 1M tokens
Output Price$0.00002 / 1M tokens
Blended Price (3:1)$0.00001 / 1M tokens
Cache Read Price$0.25 / 1M tokens
Cache Write Price$3.125 / 1M tokens
Speed
No speed data available
Provider Price Ranking
Provider Price Ranking
8 providers
Cheapest: OpenAIMost Expensive: AI-ROUTER
ProviderInputOutput
1OpenAIPRIMARY
$0
$0.00002
2routing.run
$1.5
$9
3Abacus
$2.5
$15
4Vivgrid
$2.5
$15
5GitHub Copilot
$2.5
$15
6OpenCode Zen
$2.5
$15
7LLM Gateway
$2.5
$15
8AI-ROUTER
$2.5
$15
Compare pricing across different API providers for this model.