GPT-5.5 Instant (May 2026)
Analysis Summary
GPT-5.5 Instant (May 2026) sits in the Professional tier on our leaderboard, ranked #10 of 565 published models on overall intelligence. At $5.00 input and $30.00 output per 1M tokens, it is among the most expensive on the market.
Editorial notes
GPT-5.5 Instant from OpenAI delivers strong coding and agentic scores at a mid-tier intelligence level, with competitive instruction following, though pricing is high relative to its benchmark position.
Assessed May 31, 2026
Rankings consider pricing, capabilities, benchmarks, and real-world applicability and are refreshed as new models launch. Feedback?
Performance Profile
How GPT-5.5 Instant (May 2026) compares
GPT-5.5 Instant (May 2026) ranks #52 of 370 AI models we track for overall intelligence, #20 of 307 for coding, #100 of 282 for agentic tasks. At $5.00 per million input tokens it is cheaper than 7% of comparable models.
Performance Indices
Source: Artificial Analysis
Benchmark Scores
Intelligence
Technical
Content
Benchmark data from Artificial Analysis and Hugging Face
How does GPT-5.5 Instant (May 2026) stack up?
Compare side-by-side with other professional models.
Model Information
| Provider | OpenAI |
| Release Date | May 5, 2026 |
| Status | Active |
Pricing
| Token Type | Cost per 1M tokens | Cost per 1K tokens |
|---|---|---|
| Input | $5.00 | $0.005000 |
| Output | $30.00 | $0.030000 |
Explore Related Models
Frequently asked questions about GPT-5.5 Instant (May 2026)
How much does GPT-5.5 Instant (May 2026) cost?
GPT-5.5 Instant (May 2026) costs $5.00 per million input tokens and $30.00 per million output tokens.
Is GPT-5.5 Instant (May 2026) good for coding?
On our coding benchmark index, GPT-5.5 Instant (May 2026) ranks #20 of 307 models, placing it in the top quartile of the field for code generation and debugging.
Who created GPT-5.5 Instant (May 2026)?
GPT-5.5 Instant (May 2026) is developed by OpenAI and was released on May 5, 2026.
Data sourced from OpenRouter API, Artificial Analysis and Hugging Face Open LLM Leaderboard. Scores are editorially curated by our team.
Last updated: May 31, 2026 10:03 pm