The AI arena is free today

Open Superagent

Grok-4.1 Fast Reasoning vs Ling 3.0 Flash Fin

Comparing Grok-4.1 Fast Reasoning and Ling 3.0 Flash Fin across benchmarks, pricing, and capabilities.

xAI · InclusionAI · Updated for 2026

Which is better?

Grok-4.1 Fast Reasoning and Ling 3.0 Flash Fin trade strengths across price, capabilities, and technical limits. The better choice depends on the workload.

On price, Ling 3.0 Flash Fin is roughly 3.1x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Grok-4.1 Fast Reasoning also accepts a larger context window (2,000,000 input tokens), making it the stronger choice for long documents and large codebases.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose Grok-4.1 Fast Reasoning

  • you process long inputs — it offers a 2,000,000 token context window

Choose Ling 3.0 Flash Fin

  • cost matters — it's about 3.1x cheaper per token
  • you want the most recent training data — it shipped Sep 2026

At a glance

The differences that matter most.

Grok-4.1 Fast Reasoning
xAI
Ling 3.0 Flash Fin
InclusionAI
Benchmark wins
—
—
Input price
$0.20 / M
$0.06 / M
Output price
$0.50 / M
$0.18 / M
Context window
2,000,000
262,144

Individual benchmarks

0 reported for Grok-4.1 Fast Reasoning · 6 for Ling 3.0 Flash Fin

No common benchmarks found

Grok-4.1 Fast Reasoning and Ling 3.0 Flash Findon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Ling 3.0 Flash Fin costs less

For input processing, Grok-4.1 Fast Reasoning ($0.20/1M tokens) is 3.3x more expensive than Ling 3.0 Flash Fin ($0.06/1M tokens).

For output processing, Grok-4.1 Fast Reasoning ($0.50/1M tokens) is 2.8x more expensive than Ling 3.0 Flash Fin ($0.18/1M tokens).

In conclusion, Grok-4.1 Fast Reasoning is more expensive than Ling 3.0 Flash Fin.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Sun Sep 20 2026 • llm-stats.com
xAI
Grok-4.1 Fast Reasoning
Input tokens$0.20
Output tokens$0.50
Best providerxAI
InclusionAI
Ling 3.0 Flash Fin
Input tokens$0.06
Output tokens$0.18
Best providerDeepinfra
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Grok-4.1 Fast Reasoning accepts 2,000,000 input tokens compared to Ling 3.0 Flash Fin's 262,144 tokens. Ling 3.0 Flash Fin can generate longer responses up to 262,144 tokens, while Grok-4.1 Fast Reasoning is limited to 30,000 tokens.

xAI
Grok-4.1 Fast Reasoning
Input2,000,000 tokens
Output30,000 tokens
InclusionAI
Ling 3.0 Flash Fin
Input262,144 tokens
Output262,144 tokens
Sun Sep 20 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Grok-4.1 Fast Reasoning supports multimodal inputs, whereas Ling 3.0 Flash Fin does not.

Grok-4.1 Fast Reasoning can handle both text and other forms of data like images, making it suitable for multimodal applications.

Grok-4.1 Fast Reasoning

Text
Images
Audio
Video

Ling 3.0 Flash Fin

Text
Images
Audio
Video

Release Timeline

When each model was launched

Grok-4.1 Fast Reasoning was released on 2025-11-17, while Ling 3.0 Flash Fin was released on 2026-09-03.

Ling 3.0 Flash Fin is 10 months newer than Grok-4.1 Fast Reasoning.

Grok-4.1 Fast Reasoning

Nov 17, 2025

10 months ago

Ling 3.0 Flash Fin

Sep 3, 2026

2 weeks ago

9mo newer

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Provider Availability

Grok-4.1 Fast Reasoning is available from xAI. Ling 3.0 Flash Fin is available from DeepInfra.

Grok-4.1 Fast Reasoning

xai logo
xAI
Input Price:Input: $0.20/1MOutput Price:Output: $0.50/1M

Ling 3.0 Flash Fin

deepinfra logo
Deepinfra
Input Price:Input: $0.06/1MOutput Price:Output: $0.18/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against Grok-4.1 Fast Reasoning and Ling 3.0 Flash Fin side-by-side, then vote on the output you prefer.

Grok-4.1 Fast Reasoning
✓ Preferred
Ling 3.0 Flash Fin
Open in Playground

FAQ

Common questions about Grok-4.1 Fast Reasoning vs Ling 3.0 Flash Fin.

Which is better, Grok-4.1 Fast Reasoning or Ling 3.0 Flash Fin?

Grok-4.1 Fast Reasoning (xAI) and Ling 3.0 Flash Fin (InclusionAI) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does Grok-4.1 Fast Reasoning compare to Ling 3.0 Flash Fin in benchmarks?

Ling 3.0 Flash Fin scores SpreadSheetBench-v1: 86.5%, Finance Agent v1.1: 69.2%, Finance Agent v2: 59.8%, Tau3 Banking: 41.0%, APEX-Agents: 29.2%.

Is Grok-4.1 Fast Reasoning cheaper than Ling 3.0 Flash Fin?

Ling 3.0 Flash Fin is 3.3x cheaper for input tokens. Grok-4.1 Fast Reasoning costs $0.20/M input and $0.50/M output via xai. Ling 3.0 Flash Fin costs $0.06/M input and $0.18/M output via deepinfra.

What are the context window sizes for Grok-4.1 Fast Reasoning and Ling 3.0 Flash Fin?

Grok-4.1 Fast Reasoning supports 2.0M tokens and Ling 3.0 Flash Fin supports 262K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Grok-4.1 Fast Reasoning and Ling 3.0 Flash Fin?

Key differences include context window (2.0M vs 262K), input pricing ($0.20 vs $0.06/M), multimodal support (yes vs no), licensing (Proprietary vs Unknown). See the full comparison above for benchmark-by-benchmark results.

Who makes Grok-4.1 Fast Reasoning and Ling 3.0 Flash Fin?

Grok-4.1 Fast Reasoning is developed by xAI and Ling 3.0 Flash Fin is developed by InclusionAI.

Related comparisons