Model Metadata
- name
- Grok 4.3
- description
- xAI's default Grok for chat, coding, agentic tools, and lower hallucination risk
- family
- grok
- open weights
- No
- release date
- 2026-04-17
- modalities
- input: text, image/jpeg, image/png, application/pdf; output: text
- capabilities
- tools: supported: Yes; reasoning: supported: Yes; temperature: Yes; top_p: Yes; top_k: Yes
- limit
- context: 1,000,000; output: 30,000
Provider Variants 7
amazon-bedrock xai.grok-4.3
Context 1,000,000 · Output 131,072
- name
- Grok 4.3
- description
- xAI's default Grok for chat, coding, agentic tools, and lower hallucination risk
- family
- grok
- open weights
- No
- release date
- 2026-04-17
- modalities
- input: text, image/jpeg, image/png; output: text
- capabilities
- tools: supported: Yes; reasoning: supported: Yes; effort: none, low, medium, high; cache: implicit: Yes; structured_output: Yes; temperature: Yes; top_p: Yes; top_k: Yes; system_updates: No; effort_updates: No; service_tier: flex, priority
- limit
- context: 1,000,000; output: 131,072
- id
- xai.grok-4.3
- canonical id
- xai/grok-4.3
- type
- chat
- last updated
- 2026-06-28
- api
- responses: base_url: https://bedrock-mantle.${AWS_REGION}.api.aws/openai/v1; sdk: aisdk: @ai-sdk/amazon-bedrock/mantle; opencodeai: @opencode/ai/providers/amazon-bedrock/mantle/responses; capabilities: system_updates: Yes; tools: updates: No; chat-completions: base_url: https://bedrock-mantle.${AWS_REGION}.api.aws/openai/v1; sdk: aisdk: @ai-sdk/amazon-bedrock/mantle; opencodeai: @opencode/ai/providers/amazon-bedrock/mantle/chat; capabilities: tools: updates: No
cloudflare-ai-gateway xai/grok-4.3
Context 1,000,000 · Output 30,000
- name
- Grok 4.3
- description
- xAI's default Grok for chat, coding, agentic tools, and lower hallucination risk
- family
- grok
- open weights
- No
- release date
- 2026-04-17
- modalities
- input: text, image/jpeg, image/png, application/pdf; output: text
- capabilities
- tools: supported: Yes; reasoning: supported: Yes; effort: none, low, medium, high; cache: implicit: Yes; structured_output: Yes; temperature: Yes; top_p: Yes; top_k: Yes; system_updates: Yes; effort_updates: No
- limit
- context: 1,000,000; output: 30,000
- id
- xai/grok-4.3
- canonical id
- xai/grok-4.3
- type
- chat
- last updated
- 2026-04-17
- api
- chat-completions: base_url: https://api.cloudflare.com/client/v4/accounts/${CLOUDFLARE_ACCOUNT_ID}/ai/v1; sdk: aisdk: ai-gateway-provider; opencodeai: @opencode/ai/providers/cloudflare-ai-gateway; capabilities: tools: updates: No
Google xai/grok-4.3
Context 200,000 · Output 30,000
- name
- Grok 4.3
- description
- xAI's default Grok for chat, coding, agentic tools, and lower hallucination risk
- family
- grok
- open weights
- No
- release date
- 2026-04-17
- modalities
- input: text, image/jpeg, image/png; output: text
- capabilities
- tools: supported: Yes; reasoning: supported: Yes; cache: implicit: Yes; structured_output: Yes; temperature: Yes; top_p: Yes; top_k: Yes; system_updates: No; effort_updates: No
- limit
- context: 200,000; output: 30,000
- id
- xai/grok-4.3
- canonical id
- xai/grok-4.3
- type
- chat
- last updated
- 2026-04-17
- status
- beta
- api
- chat-completions: base_url: https://${GOOGLE_VERTEX_ENDPOINT}/v1/projects/${GOOGLE_VERTEX_PROJECT}/locations/${GOOGLE_VERTEX_LOCATION}/endpoints/openapi; sdk: aisdk: @ai-sdk/openai-compatible; opencodeai: @opencode/ai/providers/google-vertex/chat; capabilities: tools: updates: No; responses: base_url: https://${GOOGLE_VERTEX_ENDPOINT}/v1/projects/${GOOGLE_VERTEX_PROJECT}/locations/${GOOGLE_VERTEX_LOCATION}/endpoints/openapi; sdk: aisdk: @ai-sdk/openai; opencodeai: @opencode/ai/providers/google-vertex/responses; capabilities: tools: updates: No
oci xai.grok-4.3
Context 1,000,000 · Output 30,000
- name
- Grok 4.3
- description
- xAI's default Grok for chat, coding, agentic tools, and lower hallucination risk
- family
- grok
- open weights
- No
- release date
- 2026-04-17
- modalities
- input: text, image/jpeg, image/png; output: text
- capabilities
- tools: supported: Yes; reasoning: supported: Yes; effort: none, low, medium, high; structured_output: Yes; temperature: Yes; top_p: Yes; top_k: Yes; system_updates: No; effort_updates: No
- limit
- context: 1,000,000; output: 30,000
- id
- xai.grok-4.3
- canonical id
- xai/grok-4.3
- type
- chat
- last updated
- 2026-04-17
- api
- chat-completions: base_url: https://inference.generativeai.us-chicago-1.oci.oraclecloud.com/openai/v1; sdk: aisdk: @ai-sdk/openai-compatible; opencodeai: @opencode/ai/providers/openai-compatible; capabilities: tools: updates: No
OpenRouter x-ai/grok-4.3
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
- Grok 4.3
- description
- xAI's default Grok for chat, coding, agentic tools, and lower hallucination risk
- family
- grok
- open weights
- No
- release date
- 2026-04-17
- modalities
- input: text, image/jpeg, image/png, application/pdf; output: text
- capabilities
- tools: supported: Yes; reasoning: supported: Yes; effort: none, low, medium, high; cache: implicit: Yes; structured_output: Yes; temperature: Yes; top_p: Yes; top_k: Yes; system_updates: No; effort_updates: No
- limit
- context: 1,000,000; output: 128,000; input: 872,000
- id
- x-ai/grok-4.3
- canonical id
- xai/grok-4.3
- type
- chat
- last updated
- 2026-04-17
- api
- chat-completions: base_url: https://openrouter.ai/api/v1; sdk: aisdk: @openrouter/ai-sdk-provider; opencodeai: @opencode/ai/providers/openrouter; capabilities: system_updates: Yes; 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 spacexai/grok-4.3
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
- Grok 4.3
- description
- Grok model for agentic tool use, reasoning, coding, and live assistance
- family
- grok
- open weights
- No
- release date
- 2026-04-17
- modalities
- input: text, image/jpeg, image/png, application/pdf; output: text
- capabilities
- tools: supported: Yes; reasoning: supported: Yes; effort: low, medium, high; cache: implicit: Yes; structured_output: Yes; temperature: Yes; top_p: Yes; top_k: Yes; system_updates: No; effort_updates: No
- limit
- context: 1,000,000; output: 128,000; input: 872,000
- id
- spacexai/grok-4.3
- canonical id
- xai/grok-4.3
- type
- chat
- last updated
- 2026-04-17
- api
- chat-completions: base_url: https://ai-gateway.vercel.sh/v1; sdk: aisdk: @ai-sdk/gateway; opencodeai: @opencode/ai/providers/vercel-ai-gateway; capabilities: system_updates: Yes; 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
SpaceXAI grok-4.3
Context 1,000,000 · Output 30,000
- name
- Grok 4.3
- description
- xAI's Grok for chat, coding, agentic tools, and lower hallucination risk
- family
- grok
- open weights
- No
- release date
- 2026-04-17
- modalities
- input: text, image/jpeg, image/png, application/pdf; output: text
- capabilities
- tools: supported: Yes; reasoning: supported: Yes; default: type: effort; value: low; effort: none, low, medium, high, xhigh; cache: implicit: Yes; structured_output: Yes; temperature: Yes; top_p: Yes; top_k: Yes; system_updates: Yes; effort_updates: No; store: Yes; stream_usage: Yes; prompt_cache_key: Yes; service_tier: priority
- limit
- context: 1,000,000; output: 30,000
- id
- grok-4.3
- type
- chat
- last updated
- 2026-04-17
- api
- responses: base_url: https://api.x.ai/v1; sdk: aisdk: @ai-sdk/xai; opencodeai: @opencode/ai/providers/xai; capabilities: tools: strict: Yes; choice: auto, none, required, tool; updates: No; chat-completions: base_url: https://api.x.ai/v1; sdk: aisdk: @ai-sdk/xai; opencodeai: @opencode/ai/providers/openai-compatible; capabilities: tools: strict: Yes; choice: auto, none, required, tool; updates: No