Default frontier GPT for coding, computer use, research, and knowledge work
GPT-5.5 is OpenAI’s frontier model designed for complex professional workloads, building on GPT-5.4 with stronger reasoning, higher reliability, and improved token efficiency on hard tasks. It features a 1M+ token...
Context
1.05M
1,050,000 tokens
Max output
128K
128,000 tokens
Input
$5.00
per 1M tokens
Output
$30.00
per 1M tokens
Providers
51
56 listings
Intelligence
38.4
Intelligence Index
Pricing
USD per 1M tokens · listed by OpenAI
| Token type | Standard | Over 200K context | fast mode |
|---|---|---|---|
| Input | $5.00 | $10.00 | $12.50 |
| Output | $30.00 | $45.00 | $75.00 |
| Cache read | $0.50 | $1.00 | — |
Above 272K context: $10.00 in, $45.00 out. Lowest input price across providers: Free.
Capabilities
ReasoningYes
Effort: none, low, medium, high, xhigh
Tool callYes
Structured outputYes
TemperatureNo
AttachmentsYes
Interleaved reasoningYes
Field: reasoning_content
Open weightsNo
ModeratedYes
Input
TextImagePDF
Output
Text
Benchmarks
Published scores and Design Arena Elo
- Intelligence38.4#35 of 208
- Coding74.9#12 of 112
- Agentic36.4#26 of 86
- Arena1,170#56 of 128
| Design Arena category | Elo | Win rate | Arena rank |
|---|---|---|---|
| Game dev | 1,291 | 56.6% | #21 |
| Data viz | 1,262 | 55.3% | #32 |
| Code | 1,258 | 52.9% | #39 |
| Website | 1,255 | 52.2% | #41 |
| UI component | 1,254 | 53.1% | #39 |
| ASCII art | 1,253 | 58.2% | #15 |
| SVG | 1,230 | 55.0% | #18 |
| 3D | 1,195 | 49.3% | #51 |
| Godot game dev | 1,173 | 52.3% | #18 |
| Android native | 1,165 | 50.9% | #21 |
| PPTX slides | 1,157 | 45.3% | #6 |
| Agentic slides (python-pptx) | 1,155 | 45.2% | #6 |
| Slides (python-pptx) | 1,152 | 43.3% | #17 |
| Agentic slides | 1,150 | 43.5% | #6 |
| Agentic game dev | 1,143 | 52.4% | #14 |
| Mobile apps | 1,142 | 50.4% | #31 |
| Web apps | 1,117 | 42.6% | #36 |
| Full stack | 1,089 | 43.0% | #29 |
| Agentic HTML slides | 1,084 | 34.2% | #8 |
| Agentic slides (HTML) | 1,077 | 33.2% | #8 |
| HTML slides | 963 | 35.6% | #24 |
Rankings
Position on each OneAtlas leaderboard
Providers · 51
56 listings
OpenAI
NanoGPT
LLM Gateway
Vercel AI Gateway
Kilo Gateway
Eden AI
DevPass (LLM Gateway)
Merge Gateway
Amazon BedrockRequesty
AI/ML API
AIHubMix
Ofox
Poe
302.AI
OpenCode
Venice AI
OrcaRouter
ZenMux
Abacus
Azure
Azure Cognitive Services
DigitalOcean
Impossibl
Cloudflare AI Gateway
CommandCode
Prime Inference
CrossModel
Kenari
Neon
NEAR AI Cloud
OpperSAP AI Core
Perplexity Agent
FastRouter
Vivgrid
GitHub Copilot
LowRouter
Databricks
GitLab Duo
FrogBot
Snowflake Cortex
UnoRouter
GMI Cloud
Pioneer
Model Oracle AI
Xpersona
FreeModel
DaoXE
HPC-AI
AI-ROUTER| Provider | Model ID | Context | Input limit | Output | Input $ | Output $ | Reasoning $ | Cache read | Cache write | Audio in | Audio out | Reasoning | Tools | Structured | Temp. | Updated |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 302.AI | gpt-5.5 | 1.05M | 922K | 128K | $5.00 | $30.00 | — | $0.50 | — | — | — | Yes | Yes | Yes | No | Apr 23, 2026 |
| Abacus | gpt-5.5 | 1M | — | 128K | $5.00 | $30.00 | — | $0.50 | — | — | — | Yes | Yes | Yes | No | Apr 23, 2026 |
| AI-ROUTER | gpt-5.5 | 1.05M | 922K | 128K | $5.00 | $30.00 | — | $0.50 | — | — | — | Yes | Yes | Yes | No | Apr 23, 2026 |
| AI/ML API | openai/gpt-5-5 | 1.05M | 922K | 128K | $5.00 | $30.00 | — | $0.50 | — | — | — | Yes | Yes | Yes | No | Apr 23, 2026 |
| AIHubMix | gpt-5.5 | 1.05M | 922K | 128K | $5.00 | $30.00 | — | $0.50 | — | — | — | Yes | Yes | Yes | No | Apr 23, 2026 |
| Amazon Bedrock | openai.gpt-5.5 | 1M | — | 128K | $5.50 | $33.00 | — | $0.55 | — | — | — | Yes | Yes | Yes | No | Jun 1, 2026 |
| Azure | gpt-5.5 | 1.05M | 922K | 128K | $5.00 | $30.00 | — | $0.50 | — | — | — | Yes | Yes | Yes | No | Apr 24, 2026 |
| Azure Cognitive Services | gpt-5.5 | 1.05M | 922K | 128K | $5.00 | $30.00 | — | $0.50 | — | — | — | Yes | Yes | Yes | No | Apr 24, 2026 |
| Cloudflare AI Gateway | openai/gpt-5.5 | 1M | 922K | 128K | $5.00 | $30.00 | — | — | — | — | — | Yes | Yes | Yes | No | Apr 23, 2026 |
| CommandCode | gpt-5.5 | 400K | — | 128K | $5.00 | $30.00 | — | $0.50 | Free | — | — | Yes | Yes | Yes | No | Apr 23, 2026 |
| CrossModel | openai/gpt-5.5 | 1.05M | 922K | 128K | $5.00 | $30.00 | — | $0.50 | $5.00 | — | — | Yes | Yes | Yes | No | Apr 23, 2026 |
| DaoXE | gpt-5.5 | 1.05M | 922K | 128K | $5.00 | $30.00 | — | $0.50 | — | — | — | Yes | Yes | Yes | No | Apr 23, 2026 |
| Databricks | databricks-gpt-5-5 | 1.05M | 922K | 128K | $5.00 | $30.00 | — | $0.50 | — | — | — | Yes | Yes | Yes | No | Apr 23, 2026 |
| DevPass (LLM Gateway) | gpt-5.5 | 1.05M | 922K | 128K | $5.00 | $30.00 | — | $0.50 | — | — | — | Yes | Yes | Yes | No | Apr 23, 2026 |
| DigitalOcean | openai-gpt-5.5 | 1M | — | 128K | $5.00 | $30.00 | — | $0.50 | — | — | — | Yes | Yes | Yes | No | Apr 23, 2026 |
| Eden AI | openai/gpt-5.5 | 1.05M | 922K | 128K | $5.00 | $30.00 | — | $0.50 | — | — | — | Yes | Yes | Yes | No | Apr 23, 2026 |
| FastRouter | openai/gpt-5.5 | 1.05M | 922K | 128K | $5.00 | $30.00 | — | $0.50 | — | — | — | Yes | Yes | Yes | No | Apr 23, 2026 |
| FreeModel | gpt-5.5 | 1.05M | 922K | 128K | $5.00 | $30.00 | — | $0.50 | $5.00 | — | — | Yes | Yes | Yes | No | Apr 23, 2026 |
| FrogBot | gpt-5-5 | 272K | — | 128K | $5.00 | $30.00 | — | $0.50 | — | — | — | Yes | Yes | Unknown | No | Apr 23, 2026 |
| GitHub Copilot | gpt-5.5 | 1.05M | 922K | 128K | $5.00 | $30.00 | — | $0.50 | — | — | — | Yes | Yes | Yes | No | Apr 23, 2026 |
| GitLab Duo | duo-chat-gpt-5-5 | 1.05M | 922K | 128K | Free | Free | — | — | — | — | — | Yes | Yes | Yes | No | Apr 23, 2026 |
| GMI Cloud | openai/gpt-5.5 | 1.05M | 922K | 128K | $5.00 | $30.00 | — | $0.50 | — | — | — | Yes | Yes | Yes | No | Apr 23, 2026 |
| HPC-AI | openai/gpt-5.5 | 1.05M | 922K | 128K | $5.00 | $30.00 | — | $0.50 | — | — | — | Yes | Yes | Yes | Yes | Apr 23, 2026 |
| Impossibl | openai/gpt-5.5 | 1.05M | 922K | 128K | $5.00 | $30.00 | — | $0.50 | — | — | — | Yes | Yes | Yes | No | Apr 23, 2026 |
| Kenari | gpt-5-5 | 1.05M | 922K | 128K | $5.71 | $36.00 | — | $0.57 | — | — | — | Yes | Yes | Yes | No | Apr 23, 2026 |
| Kilo Gateway | openai/gpt-5.5 | 1.05M | 922K | 128K | $5.00 | $30.00 | — | $0.50 | — | — | — | Yes | Yes | Yes | No | Apr 23, 2026 |
| LLM Gateway | openai/gpt-5.5 | 1.05M | 922K | 128K | $5.00 | $30.00 | — | $0.50 | — | — | — | Yes | Yes | Yes | No | Apr 23, 2026 |
| LLM Gateway | azure/gpt-5.5 | 1.05M | 922K | 128K | $5.00 | $30.00 | — | $0.50 | — | — | — | Yes | Yes | Yes | No | Apr 23, 2026 |
| LowRouter | auto/openai/gpt-5.5 | 1.05M | 922K | 128K | $5.00 | $30.00 | — | $0.50 | — | — | — | Yes | Yes | Yes | No | Apr 23, 2026 |
| Merge Gateway | openai/gpt-5.5 | 1.05M | 922K | 128K | $5.00 | $30.00 | — | $0.50 | — | — | — | Yes | Yes | Yes | No | Apr 23, 2026 |
| Model Oracle AI | gpt-5.5 | 1.05M | 922K | 128K | — | — | — | — | — | — | — | Yes | Yes | Yes | No | Apr 23, 2026 |
| NanoGPT | openai/gpt-5.5 | 1.05M | 1.05M | 128K | $5.00 | $30.00 | — | $0.50 | — | — | — | Yes | Yes | Yes | No | Apr 23, 2026 |
| NEAR AI Cloud | openai/gpt-5.5 | 1.05M | 922K | 128K | $5.00 | $30.00 | — | $0.50 | — | — | — | Yes | Yes | Yes | No | Apr 23, 2026 |
| Neon | gpt-5-5 | 1.05M | 922K | 128K | $5.00 | $30.00 | — | $0.50 | — | — | — | Yes | Yes | Yes | No | Apr 23, 2026 |
| Ofox | openai/gpt-5.5 | 1.05M | 922K | 128K | $5.00 | $30.00 | — | $0.50 | — | — | — | Yes | Yes | Yes | No | Apr 23, 2026 |
| OpenAI | gpt-5.5 | 1.05M | 922K | 128K | $5.00 | $30.00 | — | $0.50 | — | — | — | Yes | Yes | Yes | No | Apr 23, 2026 |
| OpenCode | gpt-5.5 | 1.05M | 922K | 128K | $5.00 | $30.00 | — | $0.50 | — | — | — | Yes | Yes | Yes | No | Apr 23, 2026 |
| Opper | gpt-5.5 | 1.05M | 922K | 128K | $5.00 | $30.00 | — | $0.50 | — | — | — | Yes | Yes | Yes | No | Apr 23, 2026 |
| OrcaRouter | openai/gpt-5.5 | 1.05M | 922K | 128K | $5.00 | $30.00 | — | $0.50 | — | — | — | Yes | Yes | Yes | No | Apr 23, 2026 |
| Perplexity Agent | openai/gpt-5.5 | 1.05M | 922K | 128K | $5.00 | $30.00 | — | $0.50 | — | — | — | Yes | Yes | Unknown | No | Apr 23, 2026 |
| Pioneer | gpt-5.5 | 1.05M | — | 128K | $5.00 | $30.00 | — | $0.50 | $5.00 | — | — | Yes | Yes | Yes | No | Apr 23, 2026 |
| Poe | openai/gpt-5.5 | 400K | 922K | 128K | $4.55 | $27.27 | — | $0.45 | — | — | — | Yes | Yes | Yes | No | Apr 23, 2026 |
| Prime Inference | openai/gpt-5.5 | 1.05M | — | 128K | $5.00 | $30.00 | — | — | — | — | — | Yes | Yes | Yes | No | Apr 23, 2026 |
| Requesty | gpt-5.5 | 1.05M | 922K | 128K | $5.50 | $33.00 | — | $0.55 | — | — | — | Yes | Yes | Yes | No | Apr 23, 2026 |
| Requesty | gpt-5.5@eu | 1.05M | 922K | 128K | $5.50 | $33.00 | — | $0.55 | — | — | — | Yes | Yes | Yes | No | Apr 23, 2026 |
| SAP AI Core | gpt-5.5 | 1.05M | 922K | 128K | $5.00 | $30.00 | — | $0.50 | — | — | — | Yes | Yes | Yes | No | Apr 23, 2026 |
| Snowflake Cortex | openai-gpt-5.5 | 1.05M | 922K | 128K | $5.00 | $30.00 | — | $0.50 | — | — | — | Yes | Yes | Yes | No | Apr 23, 2026 |
| UnoRouter | gpt-5.5 | 1.05M | 922K | 128K | $0.19 | $1.13 | — | — | — | — | — | Yes | Yes | Yes | No | Apr 23, 2026 |
| UnoRouter | gpt-5.5:free | 1.05M | 922K | 128K | Free | Free | — | — | — | — | — | Yes | Yes | Yes | No | Apr 23, 2026 |
| Venice AI | openai-gpt-55 | 1M | 922K | 131K | $5.00 | $30.00 | — | $0.50 | — | — | — | Yes | Yes | Yes | No | Apr 23, 2026 |
| Vercel AI Gateway | openai/gpt-5.5 | 1M | 872K | 128K | $5.00 | $30.00 | — | $0.50 | — | — | — | Yes | Yes | Yes | Yes | Apr 23, 2026 |
| Vercel AI Gateway | openai/gpt-5.5-fast | 1M | 872K | 128K | $12.50 | $75.00 | — | $1.25 | — | — | — | Yes | Yes | Yes | No | Apr 23, 2026 |
| Vivgrid | gpt-5.5 | 1.05M | 922K | 128K | $5.00 | $30.00 | — | $0.50 | — | — | — | Yes | Yes | Yes | No | Apr 23, 2026 |
| Xpersona | gpt-5.5 | 1.05M | — | 128K | $1.50 | $12.00 | $12.00 | $0.15 | — | — | — | Yes | Yes | Yes | No | Apr 23, 2026 |
| Xpersona | xpersona-gpt-5.5 | 1M | — | 128K | $3.00 | $18.00 | $18.00 | $0.30 | — | — | — | Yes | Yes | Yes | No | Apr 23, 2026 |
| ZenMux | openai/gpt-5.5 | 1.05M | 922K | 128K | $5.00 | $30.00 | — | $0.50 | — | — | — | Yes | Yes | Yes | No | Apr 23, 2026 |