GPT-6.1 Terra
openai/gpt-6.1-terra
fast, efficient model for visual reasoning, computer use & writing.
cmd --model gpt-6.1-terra
Intelligence index
not yet scored
Coding index
not yet scored
Input
$1 /M
Output
$5 /M
Cache read
$0.05 /M
Agent-loop cost
$0.34 /M in
Context window
1.05M tokens
Released
October 27, 2026
Modalities
→
vs. the lineup
GPT-6.1 Terra beside its stablemates and nearest rivals. The ◆ marks the best value in each column across every row shown.
pin a rival:
| Model | Intelligence | Coding | Input $/M | Output $/M | Blended $/M | Context |
|---|---|---|---|---|---|---|
| GPT-6 Astra | 52.7◆ | 76.9◆ | $10◆ | $50◆ | $20◆ | 1.05M◆ |
| GPT-6.1 Sol | 51.8◆ | —◆ | $2◆ | $10◆ | $4◆ | 1.05M◆ |
| GPT-6 Sol | 47.6◆ | —◆ | $2◆ | $10◆ | $4◆ | 1.05M◆ |
| GPT-5.6 Sol | 47◆ | 77.4◆ | $5◆ | $30◆ | $11.25◆ | 1.05M◆ |
| GPT-6 Luna | 38.1◆ | —◆ | $0.10◆ | $0.50◆ | $0.20◆ | 1.05M◆ |
| GPT-6.1 Terra ◆ | —◆ | —◆ | $1◆ | $5◆ | $2◆ | 1.05M◆ |
| DeepSeek V4 Pro (latest)pinned | 36◆ | 68.8◆ | $0.66◆ | $1.98◆ | $0.99◆ | 1M◆ |
| DeepSeek V4 Flash (latest)pinned | 34◆ | 69.1◆ | $0.15◆ | $0.60◆ | $0.26◆ | 1M◆ |
price bands
GPT-6.1 Terra is not billed at one flat rate — the price changes with how much context a request carries. The header quotes the standard band; here is every band.
| Band | Context | Input $/M | Output $/M | Cache read $/M |
|---|---|---|---|---|
| Standard | ≤ 272K | $1.00 | $5.00 | $0.05 |
| Long context | > 272K | $2.00 | $7.50 | $0.10 |
usage calculator
How far a month of credits goes on GPT-6.1 Terra.
GPT-6.1 Terra runs on Pro and up — from $20/mo.
Input tokensfresh prompt
800Output tokensmodel reply
180Cache read tokensre-read context
50Kcost / request $0.0042 · in $1 · out $5 · cache $0.05 per M
fresh input 19%output 21%cache reads 60%
Requests / 30 days
4.8K
$20 credits ÷ $0.0042 per request
~952 quick fixes~190 bug fixes~32 feature PRs
what real work costs
Real coding tasks priced end to end on GPT-6.1 Terra, from a quick lookup to a full-repo agent run.
One agent task
$0.11
180K in at 75% cache hit, 12K out
What you pay
$0.58 /M
all-in across every token that task touched
Sticker input
$1 /M
cache reads bill at $0.05 /M instead
| Task | Tokens in · out | GPT-6.1 Terra | MiMo V2.6 Pro | Claude Haiku 4.5 |
|---|---|---|---|---|
| Quick lookup / one-liner | 8K · 1K | $0.0062 | $0.0012 | $0.0065 |
| Review a 500-line PR | 60K · 4K | $0.04 | $0.01 | $0.04 |
| Fix a bug (agent loop) | 180K · 12K | $0.11 | $0.03 | $0.12 |
| Refactor a module | 320K · 20K | $0.20 | $0.06 | $0.21 |
| Full-repo agent run | 900K · 45K | $0.46 | $0.13 | $0.49 |
frequently asked
How much does GPT-6.1 Terra cost?
$1/M input and $5/M output, cache reads $0.05/M. In an agent loop most input is cache-read, so the effective input rate is about $0.34/M.Which plan do I need?
Available on Pro and above.
How do I switch to it?
Run
cmd --model gpt-6.1-terra, or type /model in a session and pick it. You can switch mid-session without losing context.Ship code that matches your taste
Command Code is the AI coding agent that continuously learns your taste. Start for $1.
Benchmarks from Artificial Analysis (v4.3)commandcode.ai/models/gpt-6-1-terra