Head-to-head AI model comparison graphic: GLM-5.3-Flash (Z AI) vs MiMo-V2.6-Flash (Xiaomi). Intelligence index 27.8 vs 26.7; output speed 56 vs 36 tokens per second; time to first token 1.6s vs 3.5s; output price $0.50 vs $0.28 per million tokens; input price $0.15 vs $0.14 per million tokens. franklineh.com
GLM-5.3-Flash vs MiMo-V2.6-Flash: head-to-head AI benchmark comparison. GLM-5.3-Flash leads on intelligence index, output speed and time to first token; MiMo-V2.6-Flash leads on output price and input price.
Head to headBy Franklin AIUpdated

GLM-5.3-Flash vs MiMo-V2.6-Flash compared

GLM-5.3-Flash leads the intelligence index 27.8 to 26.7. MiMo-V2.6-Flash costs 26% less on blended price. Price per token, response speed and when to pick each.

Pick it for GLM-5.3-Flash

  • Faster output: 56 tokens per second against 36 tokens per second.
  • Shorter wait for the first token: 1.6 seconds against 3.5 seconds.
  • Higher intelligence index: 27.8 against 26.7.

Pick it for MiMo-V2.6-Flash

  • Lower cost: $0.20 against $0.25 for 1 million input and 200,000 output tokens.

By the numbers

MetricGLM-5.3-FlashMiMo-V2.6-Flash
Intelligence Index27.826.7
Input price (per 1M tokens)$0.15$0.14
Output price (per 1M tokens)$0.50$0.28
Output speed (tokens/s)5636
Time to first token1.6s3.5s
Release date2026-08-262026-09-21

GLM-5.3-Flash and MiMo-V2.6-Flash are close rivals from Z AI and Xiaomi. Throughput is the standout difference: 56 tokens per second for GLM-5.3-Flash against 36 tokens per second for MiMo-V2.6-Flash. Everything below is read from the benchmark, price and speed data in Franklin AI's catalogue; nothing here comes from a hands-on test.

Waiting time

Once a response is under way, GLM-5.3-Flash produces roughly 56 tokens per second against 36 tokens per second for MiMo-V2.6-Flash. GLM-5.3-Flash is ahead by 56% on throughput. Time to first token is 1.6 seconds for GLM-5.3-Flash and 3.5 seconds for MiMo-V2.6-Flash. MiMo-V2.6-Flash waits 2.2 times as long before its first token.

Add the two numbers up for a 2,000-token reply and GLM-5.3-Flash finishes first: 37 seconds for GLM-5.3-Flash, 59 seconds for MiMo-V2.6-Flash.

When they came out

GLM-5.3-Flash came first, on August 26, 2026; MiMo-V2.6-Flash followed on September 21, 2026. They are effectively contemporaries.

Running costs

Per million tokens, GLM-5.3-Flash charges $0.15 for input and $0.50 for output, while MiMo-V2.6-Flash charges $0.14 and $0.28. That makes MiMo-V2.6-Flash's output 44% cheaper.

For a sample workload of 1 million input tokens and 200,000 output tokens, GLM-5.3-Flash would cost $0.25 and MiMo-V2.6-Flash $0.20, a difference of $0.054. For an agent that reads 50 million tokens and writes 5 million in a month, MiMo-V2.6-Flash would come in 16% lower: $10.00 for GLM-5.3-Flash against $8.40 for MiMo-V2.6-Flash.

How the intelligence index compares

The catalogue puts GLM-5.3-Flash at 27.8 and MiMo-V2.6-Flash at 26.7 on its intelligence index. It is a small margin for an index that averages many evaluations. In relative terms, GLM-5.3-Flash scores 4% higher.

Across the 109 active models with an intelligence score in the catalogue, GLM-5.3-Flash ranks 63rd and MiMo-V2.6-Flash ranks 64th.

There are no coding or math index scores for either model in the catalogue, which keeps this comparison at the aggregate level.

Cost per point of intelligence

Dividing the blended price by the intelligence index gives a rough cost per point: $0.0085 for GLM-5.3-Flash and $0.0066 for MiMo-V2.6-Flash, per million tokens. MiMo-V2.6-Flash delivers each index point for 23% less; whether GLM-5.3-Flash's extra 1.1 points are worth the premium depends on how often your tasks need them.

Quick answers

Is GLM-5.3-Flash better than MiMo-V2.6-Flash?

Neither wins everywhere: GLM-5.3-Flash scores higher on the intelligence index, 27.8 to 26.7; MiMo-V2.6-Flash is 26% cheaper on blended price; and GLM-5.3-Flash streams output 1.6 times as fast.

Are GLM-5.3-Flash and MiMo-V2.6-Flash from the same company?

GLM-5.3-Flash is made by Z AI and MiMo-V2.6-Flash by Xiaomi. GLM-5.3-Flash was released on August 26, 2026 and MiMo-V2.6-Flash on September 21, 2026.

Which is newer, GLM-5.3-Flash or MiMo-V2.6-Flash?

MiMo-V2.6-Flash is newer. It was released on September 21, 2026, 26 days after GLM-5.3-Flash (August 26, 2026).

Which is faster, GLM-5.3-Flash or MiMo-V2.6-Flash?

GLM-5.3-Flash generates output faster, at 56 tokens per second against 36 tokens per second. GLM-5.3-Flash reaches its first token sooner (1.6 seconds against 3.5 seconds).

Is MiMo-V2.6-Flash cheaper than GLM-5.3-Flash?

MiMo-V2.6-Flash is cheaper on a blended basis. GLM-5.3-Flash lists $0.15 per million input tokens and $0.50 per million output tokens; MiMo-V2.6-Flash lists $0.14 and $0.28. For 1 million input and 200,000 output tokens that is $0.25 against $0.20.

Final whistle

On balance the numbers favour GLM-5.3-Flash, though MiMo-V2.6-Flash keeps a case of its own. Pick MiMo-V2.6-Flash if cost matters ($0.28 against $0.50 per million output tokens). Pick GLM-5.3-Flash if long outputs need to finish quickly and users are waiting on the first word.

Where the numbers come from

The scores, speed and prices in this comparison come from independent third-party model evaluations that Franklin AI syncs each day, and the article was written from a snapshot of them. For the latest results, open the GLM-5.3-Flash and MiMo-V2.6-Flash pages. The AI Benchmark methodology explains how that data is collected and shown.

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