Context
1.1M
Max output
128K
Serving providers
2
Cheapest input
$5.00 /1M
Prices are on-demand list rates. Enterprise commitments (committed-use discounts, provisioned throughput, negotiated rates) can be materially lower.
Benchmarks
independent evaluations · source: ARC Prize and Artificial AnalysisSpeed & latency
Output speed
87 t/s
tokens / second
Time to first token
23.21s
latency
Headline indices
Individual benchmarks · click a row for effort variants
| Benchmark | Best score | Effort | Cost / task | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AA-Briefcase | 33% | — | — | |||||||||||||||||||||||||
| APEX Agents | 38% | default | — | |||||||||||||||||||||||||
| ARC-AGI-2 | 85% | xhigh | $1.87 | |||||||||||||||||||||||||
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| CritPt | 27% | default | — | |||||||||||||||||||||||||
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| GDPval | 1493.7 | default | — | |||||||||||||||||||||||||
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| GPQA Diamond | 94% | default | — | |||||||||||||||||||||||||
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| Humanity's Last Exam | 44% | default | — | |||||||||||||||||||||||||
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| IFBench | 76% | default | — | |||||||||||||||||||||||||
| ||||||||||||||||||||||||||||
| IT-Bench SRE | 46% | default | — | |||||||||||||||||||||||||
| Long-Context Reasoning | 74% | default | — | |||||||||||||||||||||||||
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| MMMU-Pro | 81% | medium | — | |||||||||||||||||||||||||
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| Omniscience | 20.1 | default | — | |||||||||||||||||||||||||
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| SciCode | 56% | default | — | |||||||||||||||||||||||||
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| TerminalBench Hard | 61% | default | — | |||||||||||||||||||||||||
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| TerminalBench v2.1 | 84% | default | — | |||||||||||||||||||||||||
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| τ-bench Banking | 31% | default | — | |||||||||||||||||||||||||
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| τ²-bench | 94% | default | — | |||||||||||||||||||||||||
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Pricing by serving provider
standard tier · per 1M tokens · click a provider to expand| Serving provider | Input /1M | Output /1M | Endpoints | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AzureCheapest | $5.00 | $30.00 | 1 | |||||||||||||||||||||
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| OpenAICheapest | $5.00 | $30.00 | 1 | |||||||||||||||||||||
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Price history
input + output $/1M since we started tracking Input Output
Cost calculator
estimate your monthly spend on this model$3,400
estimated / month
Model IDs
copy the exact identifier for your platformazure/gpt-5.5gpt-5.5
Frequently asked questions
GPT-5.5 pricing, context and availabilityHow much does GPT-5.5 cost?
GPT-5.5 costs $5.00 per 1M input tokens and $30.00 per 1M output tokens at its cheapest provider via Azure.
What is the context window of GPT-5.5?
GPT-5.5 accepts up to 1.1M tokens of context and can return up to 128K output tokens.
Which providers serve GPT-5.5?
GPT-5.5 is available from 2 serving providers, each with its own pricing and model ID. Azure is currently the cheapest.
What can GPT-5.5 do?
GPT-5.5 supports image input (vision), tool use, reasoning, prompt caching, structured output and web search.
Other OpenAI models
compare pricing across the OpenAI lineupPopular comparisons
head-to-head pages featuring GPT-5.5
GPT-5.5 vs Claude Fable 5side-by-side pricing & benchmarks GPT-5.5 vs Claude Opus 4.8side-by-side pricing & benchmarks GPT-5.5 vs Claude Sonnet 5side-by-side pricing & benchmarks
GPT-5.5 vs DeepSeek V4 Proside-by-side pricing & benchmarks
GPT-5.5 vs Gemini 3.1 Pro Previewside-by-side pricing & benchmarks Pricing verified against LiteLLM + OpenRouter + provider pages · refreshed daily
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