GPT-5.5 Instant (June 2026)
Released · 49 days after GPT Realtime 2
Key info
Context window
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Max output
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Input price
$5.00 /1M
Output price
$30.00 /1M
Prices are the median across providers tracked by Artificial Analysis, not Opper billing.
Benchmarks
Independent benchmark scores: the Intelligence Index and the individual evaluations behind it, grouped by skill.
Intelligence Index (previous version)26.0
Agentic24.5
Coding
Terminal-Bench 4.0
13%
SciCode
53%
Agentic & knowledge work
AutomationBench
36%
GDPval
1%
GDP.pdf
20%
Briefcase (Elo)1087
Science & reasoning
HLE Diamond
15%
Humanity's Last Exam
20%
GPQA Diamond
82%
Long-context reasoning
70%
See full leaderboard →Benchmarks via Artificial Analysis · View on AA
Available routes
No routes currently available — GPT-5.5 Instant (June 2026) isn't routed through the Opper gateway right now. It's tracked here for its release history.
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