Grok 4 Fast vs Ling 3.0 Flash Fin
Ling 3.0 Flash Fin leads the LLM Stats Score 43.0 to 31.7. Ling 3.0 Flash Fin is 3.1x cheaper per token.
xAI · InclusionAI · Updated for 2026
Which is better?
Ling 3.0 Flash Fin leads the overall LLM Stats Score 43.0 to 31.7, ranking #44 overall.
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 Fast 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 Fast
- you process long inputs — it offers a 2,000,000 token context window
Choose Ling 3.0 Flash Fin
- overall performance matters — it scores 43.0 and ranks #44 on LLM Stats
- your work emphasizes reasoning and agents — it leads those capability indexes
- 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.
Individual benchmarks
7 reported for Grok 4 Fast · 6 for Ling 3.0 Flash Fin
Grok 4 Fast 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
For input processing, Grok 4 Fast ($0.20/1M tokens) is 3.3x more expensive than Ling 3.0 Flash Fin ($0.06/1M tokens).
For output processing, Grok 4 Fast ($0.50/1M tokens) is 2.8x more expensive than Ling 3.0 Flash Fin ($0.18/1M tokens).
In conclusion, Grok 4 Fast is more expensive than Ling 3.0 Flash Fin.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Grok 4 Fast 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 Fast is limited to 30,000 tokens.
Input capabilities
Documented input modalities across available providers
Grok 4 Fast supports multimodal inputs, whereas Ling 3.0 Flash Fin does not.
Grok 4 Fast can handle both text and other forms of data like images, making it suitable for multimodal applications.
Grok 4 Fast
Ling 3.0 Flash Fin
Release Timeline
When each model was launched
Grok 4 Fast was released on 2025-08-28, while Ling 3.0 Flash Fin was released on 2026-09-03.
Ling 3.0 Flash Fin is 12 months newer than Grok 4 Fast.
Aug 28, 2025
1.1 years ago
Sep 3, 2026
2 weeks ago
1.0yr newerKnowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
Grok 4 Fast is available from xAI. Ling 3.0 Flash Fin is available from DeepInfra.
Grok 4 Fast
Ling 3.0 Flash Fin
Outputs Comparison
Judge for yourself.
Run your own prompts against Grok 4 Fast and Ling 3.0 Flash Fin side-by-side, then vote on the output you prefer.
FAQ
Common questions about Grok 4 Fast vs Ling 3.0 Flash Fin.