Gemini 3.8 Flash High vs Mistral Large 4 High compared

Gemini 3.8 Flash High leads the intelligence index 30.8 to 26.1. Mistral Large 4 High costs 30% less on blended price. See token costs, speed and which to pick.

Metric	Gemini 3.8 Flash (High)	Mistral Large 4 (High)
Intelligence Index	30.8	26.1
Input price (per 1M tokens)	$0.75	$0.70
Output price (per 1M tokens)	$3.75	$2.10
Output speed (tokens/s)	121	139
Time to first token	27s	1.7s
Release date	2026-09-02	2026-10-29

Metric

Gemini 3.8 Flash (High)

Mistral Large 4 (High)

Intelligence Index

30.8

26.1

Input price (per 1M tokens)

$0.75

$0.70

Output price (per 1M tokens)

$3.75

$2.10

Output speed (tokens/s)

121

139

Time to first token

27s

1.7s

Release date

2026-09-02

2026-10-29

This comparison puts Google's Gemini 3.8 Flash (High) next to Mistral's Mistral Large 4 (High). Everything below is read from the benchmark, price and speed data in Franklin AI's catalogue; nothing here comes from a hands-on test. What separates them most is responsiveness; Gemini 3.8 Flash High takes 27 seconds to produce its first token, Mistral Large 4 High 1.7 seconds.

Mistral Large 4 High is the faster writer

Gemini 3.8 Flash High generates about 121 tokens per second and Mistral Large 4 High about 139 tokens per second. On long outputs, that is a real advantage for Mistral Large 4 High. Time to first token is 27 seconds for Gemini 3.8 Flash High and 1.7 seconds for Mistral Large 4 High. Mistral Large 4 High gets to its first token 16 times as fast.

For a 600-token response, first token plus generation comes to roughly 32 seconds on Gemini 3.8 Flash High and 6.0 seconds on Mistral Large 4 High.

The headline benchmark

Gemini 3.8 Flash High comes out ahead on the intelligence index, 30.8 to 26.1. It is a meaningful gap rather than a rounding difference.

For context, that places Gemini 3.8 Flash High 50th and Mistral Large 4 High 65th out of 109 scored models still on offer.

Specialist coding and math indexes are missing for both, so treat the overall score as the only capability signal here.

Price per token

The list prices are $0.75 in and $3.75 out for Gemini 3.8 Flash High, and $0.70 in and $2.10 out for Mistral Large 4 High, per million tokens. Gemini 3.8 Flash High costs 1.8 times as much per output token.

Take 1 million input tokens and 200,000 output tokens: that comes to $1.50 on Gemini 3.8 Flash High and $1.12 on Mistral Large 4 High. Scale it up to a month of coding-assistant traffic at 30 million input and 3 million output tokens and the bill is $33.75 for Gemini 3.8 Flash High against $27.30 for Mistral Large 4 High. Blended at three input tokens per output token, the effective rates are $1.50 for Gemini 3.8 Flash High and $1.05 for Mistral Large 4 High.

Value for money

Per point of intelligence index, Gemini 3.8 Flash High costs $0.049 of blended price per million tokens and Mistral Large 4 High $0.040. Gemini 3.8 Flash High costs 1.2 times as much per point, which is the price of its lead.

Generation gap

Mistral Large 4 High arrived on October 29, 2026, about 2 months after Gemini 3.8 Flash High (September 2, 2026).

Quick answers

Is Gemini 3.8 Flash High better than Mistral Large 4 High?

Neither wins everywhere: Gemini 3.8 Flash High scores higher on the intelligence index, 30.8 to 26.1; Mistral Large 4 High is 30% cheaper on blended price; and Mistral Large 4 High streams output 1.2 times as fast.

Which is cheaper, Gemini 3.8 Flash High or Mistral Large 4 High?

Mistral Large 4 High is cheaper on a blended basis. Gemini 3.8 Flash High lists $0.75 per million input tokens and $3.75 per million output tokens; Mistral Large 4 High lists $0.70 and $2.10. For 1 million input and 200,000 output tokens that is $1.50 against $1.12.

Does Gemini 3.8 Flash High respond faster than Mistral Large 4 High?

Mistral Large 4 High generates output faster, at 139 tokens per second against 121 tokens per second. Mistral Large 4 High reaches its first token sooner (1.7 seconds against 27 seconds).

Where do these numbers come from?

The figures are the recorded benchmark, price and speed data in Franklin AI's model catalogue. This page is written from that data automatically; neither model was tested by hand for it.

When were Gemini 3.8 Flash High and Mistral Large 4 High released?

Mistral Large 4 High is newer. It was released on October 29, 2026, about 2 months after Gemini 3.8 Flash High (September 2, 2026).

Final whistle

The verdict: Mistral Large 4 High has more going for it here, but Gemini 3.8 Flash High is not without an argument. Pick Mistral Large 4 High if users are waiting on the first word and cost matters ($2.10 against $3.75 per million output tokens). Pick Gemini 3.8 Flash High if you need the higher overall score (30.8 against 26.1).

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 Gemini 3.8 Flash (High) and Mistral Large 4 (High) pages. The AI Benchmark methodology explains how that data is collected and shown.