grok-4-1-fast-reasoning
azure_ai · chat model
grok-4-1-fast-reasoning is listed here as a chat model from azure_ai. This page shows simple API pricing, token limits, and capability flags so you can compare it with similar options.
Input
$0.2000 / 1M tokens
Output
$0.5000 / 1M tokens
Cached input
N/A
Context
131.1K
Quick read
Best for
Use this page when you need a fast view of cost, context size, and supported features before testing the model in your own workload.
Things to verify
Always check the provider page for discounts, cache pricing, region rules, and any model limits that may not appear in public metadata.
Pricing
| Item | Price |
|---|---|
| Input | $0.2000 / 1M tokens |
| Output | $0.5000 / 1M tokens |
| Embedding | $0.2000 / 1M tokens |
Token limits
Context window
131.1K
Max input tokens
131.1K
Max output tokens
131.1K
Max tokens
131.1K
Capabilities
| Capability | Supported |
|---|---|
| Vision | — |
| Function calling | ✅ |
| Parallel function calling | — |
| Tool choice | ✅ |
| Prompt caching | — |
| Reasoning | ✅ |
| Response schema | ✅ |
| System messages | — |
| Audio input | — |
| Audio output | — |
| Web search | ✅ |
| PDF input | — |
| Video input | — |
Benchmarks
Most benchmark rows are attached to the base model family rather than this provider route. Open benchmark explorer
| Benchmark | Score | Metric | Scope | Checked | Source |
|---|---|---|---|---|---|
| ARC-AGI-2 | 15.9% | accuracy | Base model: grok-4 (Grok 4) | 2026-05-31 | Link |
| Vending-Bench | $4694.15 net worth | net worth | Base model: grok-4 (Grok 4) | 2026-05-31 | Link |
| Humanity's Last Exam | 50.7% (text-only subset) | accuracy | Base model: grok-4 (Grok 4 Heavy) | 2026-05-31 | Link |
| USAMO'25 | 61.9% | accuracy | Base model: grok-4 (Grok 4 Heavy) | 2026-05-31 | Link |
Sources
| Source links | |
| Pricing data | LiteLLM model cost map |
| Synced at | 2026-05-28 |
Docs
| Official docs |
Similar models
This list is ranked by overall similarity. Use filters to emphasize the lens that matters most for the replacement you are making.
Comparing from
| Model | Cost | Input shape | Features | Context | Why it is close |
|---|---|---|---|---|---|
| grok-4-1-fast-reasoning azure_ai | In $0.2000 / 1M tokens Out $0.5000 / 1M tokens | imagetext
Output: text | Function callingTool choiceReasoningResponse schema | 131.1K | Current model Reference row |
| Model | Cost | Input shape | Features | Context | Why it is close |
|---|---|---|---|---|---|
| grok-4-fast-non-reasoning azure_ai | In $0.2000 / 1M tokens Out $0.5000 / 1M tokens | imagetext
Output: text | Function callingTool choiceResponse schemaWeb search | 131.1K | Same provider Overall 95% |
| grok-4-fast-reasoning azure_ai | In $0.2000 / 1M tokens Out $0.5000 / 1M tokens | imagetext
Output: text | Function callingTool choiceResponse schemaWeb search | 131.1K | Same provider Overall 95% |
| grok-4-1-fast-non-reasoning azure_ai | In $0.2000 / 1M tokens Out $0.5000 / 1M tokens | imagetext
Output: text | Function callingTool choiceResponse schemaWeb search | 131.1K | Same provider Overall 95% |
| Qwen2.5-VL-32B-Instruct deepinfra | In $0.2000 / 1M tokens Out $0.6000 / 1M tokens | imagetext
Output: text | Function callingTool choice | 128.0K | Text + image covered Overall 81% |
| gpt-5.4-nano azure_ai | In $0.2000 / 1M tokens Out $1.2500 / 1M tokens | imagetext pdf
Output: text | Function callingTool choiceReasoningResponse schema | 128.0K | Same provider Overall 81% |
| gpt-5.4-nano-2026-03-17 azure_ai | In $0.2000 / 1M tokens Out $1.2500 / 1M tokens | imagetext pdf
Output: text | Function callingTool choiceReasoningResponse schema | 128.0K | Same provider Overall 81% |
| grok-4-1-fast xai | In $0.2000 / 1M tokens Out $0.5000 / 1M tokens | imagetext
Output: text | Function callingTool choiceReasoningResponse schema | 2.0M | Text + image covered Overall 77% |
| grok-code-fast-1 azure_ai | In $0.2000 / 1M tokens Out $1.5000 / 1M tokens | imagetext
Output: text | Function callingTool choiceResponse schemaWeb search | 131.1K | Same provider Overall 76% Missing image |
| grok-4-fast-reasoning xai | In $0.2000 / 1M tokens Out $0.5000 / 1M tokens | imagetext
Output: text | Function callingTool choiceWeb search | 2.0M | Text + image covered Overall 73% |
| free OpenRouter | In N/A Out N/A | imagetext
Output: text | Function callingTool choiceReasoningResponse schema | 200.0K | Text + image covered Overall 66% |
| grok-4.20-0309-reasoning xai | In $2.0000 / 1M tokens Out $6.0000 / 1M tokens | imagetext
Output: text | Function callingTool choiceReasoningWeb search | 2.0M | Text + image covered Overall 59% |
| grok-4.1-fast-reasoning Vertex AI | In $0.2000 / 1M tokens Out $0.5000 / 1M tokens | imagetext
Output: unknown | Function callingTool choiceReasoningResponse schema | 2.0M | Partial I/O overlap Overall 42% Missing text, image |
| grok-4.1-fast-non-reasoning Vertex AI | In $0.2000 / 1M tokens Out $0.5000 / 1M tokens | imagetext
Output: unknown | Function callingTool choiceResponse schemaWeb search | 2.0M | Partial I/O overlap Overall 38% Missing text, image |
No models match this filter.