Model Metadata
- name
- GPT-5.5 Pro
- description
- Highest-accuracy GPT-5.5 tier for slower, precision-heavy reasoning and coding
- family
- gpt-pro
- open weights
- No
- knowledge
- 2025-12-01
- release date
- 2026-04-23
- modalities
- input: text, image/jpeg, image/png, image/gif, image/webp, application/pdf; output: text
- capabilities
- tools: supported: Yes; reasoning: supported: Yes; temperature: No; top_p: No; top_k: No
- limit
- context: 1,050,000; input: 922,000; output: 128,000
Provider Variants 5
cloudflare-ai-gateway openai/gpt-5.5-pro
Context 1,000,000 · Output 128,000
- name
- GPT-5.5 Pro
- description
- Highest-accuracy GPT-5.5 tier for slower, precision-heavy reasoning and coding
- family
- gpt-pro
- open weights
- No
- knowledge
- 2025-12-01
- release date
- 2026-04-23
- modalities
- input: text, image/jpeg, image/png, image/gif, image/webp, application/pdf; output: text
- capabilities
- tools: supported: Yes; reasoning: supported: Yes; effort: medium, high, xhigh; cache: No; structured_output: Yes; temperature: No; top_p: No; top_k: No; system_updates: Yes; effort_updates: No
- limit
- context: 1,000,000; input: 922,000; output: 128,000
- id
- openai/gpt-5.5-pro
- canonical id
- openai/gpt-5.5-pro
- type
- chat
- last updated
- 2026-04-23
- api
- responses: base_url: https://gateway.ai.cloudflare.com/v1/${CLOUDFLARE_ACCOUNT_ID}/${CLOUDFLARE_GATEWAY_ID}/openai; sdk: aisdk: @ai-sdk/openai; opencodeai: @opencode/ai/providers/cloudflare-ai-gateway; capabilities: tools: strict: Yes; choice: auto, none, required, tool; search: Yes; freeform: text, lark, regex; updates: No
OpenAI gpt-5.5-pro
Context 1,050,000 · Output 128,000
- name
- GPT-5.5 Pro
- description
- Highest-accuracy GPT-5.5 tier for slower, precision-heavy reasoning and coding
- family
- gpt-pro
- open weights
- No
- knowledge
- 2025-12-01
- release date
- 2026-04-23
- modalities
- input: text, image/jpeg, image/png, image/gif, image/webp, application/pdf; output: text
- capabilities
- tools: supported: Yes; reasoning: supported: Yes; effort: medium, high, xhigh; cache: No; structured_output: Yes; temperature: No; system_updates: Yes; effort_updates: No; store: Yes; service_tier: flex
- limit
- context: 1,050,000; input: 922,000; output: 128,000
- id
- gpt-5.5-pro
- type
- chat
- last updated
- 2026-04-23
- api
- responses: base_url: https://api.openai.com/v1; sdk: aisdk: @ai-sdk/openai; opencodeai: @opencode/ai/providers/openai/responses; capabilities: tools: strict: Yes; choice: auto, none, required, tool; search: Yes; freeform: text, lark, regex; updates: No
opencode gpt-5.5-pro
Context 1,050,000 · Output 128,000
- name
- GPT-5.5 Pro
- description
- Frontier GPT model for professional reasoning, coding, and multimodal work
- family
- gpt-pro
- open weights
- No
- knowledge
- 2025-12-01
- release date
- 2026-04-23
- modalities
- input: text, image/jpeg, image/png, image/gif, image/webp, application/pdf; output: text
- capabilities
- tools: supported: Yes; reasoning: supported: Yes; effort: medium, high, xhigh; structured_output: No; temperature: No; top_p: No; top_k: No; system_updates: Yes; effort_updates: No
- limit
- context: 1,050,000; input: 922,000; output: 128,000
- id
- gpt-5.5-pro
- canonical id
- openai/gpt-5.5-pro
- type
- chat
- last updated
- 2026-04-23
- api
- responses: base_url: https://opencode.ai/inference/openai/v1; sdk: aisdk: @ai-sdk/openai; opencodeai: @opencode/ai/providers/openai/responses; capabilities: tools: strict: Yes; choice: auto, none, required, tool; search: Yes; freeform: text, lark, regex; updates: No
OpenRouter openai/gpt-5.5-pro
Context 1,050,000 · Output 128,000
Amp's provider snapshot overrides input/output limits and image support for this serving path. Other fields use models.dev.
- name
- GPT-5.5 Pro
- description
- Highest-accuracy GPT-5.5 tier for slower, precision-heavy reasoning and coding
- family
- gpt-pro
- open weights
- No
- knowledge
- 2025-12-01
- release date
- 2026-04-23
- modalities
- input: text, image/jpeg, image/png, image/gif, image/webp, application/pdf; output: text
- capabilities
- tools: supported: Yes; reasoning: supported: Yes; effort: medium, high, xhigh; structured_output: Yes; temperature: No; top_p: No; top_k: No; system_updates: Yes; effort_updates: No
- limit
- context: 1,050,000; input: 922,000; output: 128,000
- id
- openai/gpt-5.5-pro
- canonical id
- openai/gpt-5.5-pro
- type
- chat
- last updated
- 2026-04-23
- api
- chat-completions: base_url: https://openrouter.ai/api/v1; sdk: aisdk: @openrouter/ai-sdk-provider; opencodeai: @opencode/ai/providers/openrouter; capabilities: tools: choice: auto, none, required, tool; updates: No; responses: base_url: https://openrouter.ai/api/v1; sdk: aisdk: @ai-sdk/openai; opencodeai: @opencode/ai/providers/openai-compatible/responses; capabilities: tools: choice: auto, none, required, tool; updates: No; messages: base_url: https://openrouter.ai/api/v1; sdk: aisdk: @ai-sdk/anthropic; opencodeai: @opencode/ai/providers/anthropic-compatible; capabilities: tools: choice: auto, none, required, tool; updates: No
vercel openai/gpt-5.5-pro
Context 1,000,000 · Output 128,000
Amp's provider snapshot overrides input/output limits and image support for this serving path. Other fields use models.dev.
- name
- GPT 5.5 Pro
- description
- Highest-accuracy GPT-5.5 tier for slower, precision-heavy reasoning and coding
- family
- gpt-pro
- open weights
- No
- knowledge
- 2025-12-01
- release date
- 2026-04-23
- modalities
- input: text, image/jpeg, image/png, image/gif, image/webp, application/pdf; output: text
- capabilities
- tools: supported: Yes; reasoning: supported: Yes; effort: medium, high, xhigh; structured_output: Yes; temperature: Yes; top_p: No; top_k: No; system_updates: Yes; effort_updates: No
- limit
- context: 1,000,000; input: 872,000; output: 128,000
- id
- openai/gpt-5.5-pro
- canonical id
- openai/gpt-5.5-pro
- type
- chat
- last updated
- 2026-04-23
- api
- chat-completions: base_url: https://ai-gateway.vercel.sh/v1; sdk: aisdk: @ai-sdk/gateway; opencodeai: @opencode/ai/providers/vercel-ai-gateway; capabilities: tools: choice: auto, none, required, tool; updates: No; responses: base_url: https://ai-gateway.vercel.sh/v1; sdk: aisdk: @ai-sdk/open-responses; opencodeai: @opencode/ai/providers/vercel-ai-gateway/responses; capabilities: tools: choice: auto, none, required, tool; updates: No; messages: base_url: https://ai-gateway.vercel.sh/v1; sdk: aisdk: @ai-sdk/anthropic; opencodeai: @opencode/ai/providers/vercel-ai-gateway/messages; capabilities: tools: choice: auto, none, required, tool; updates: No