Which is cheaper, Gemini 3.8 Flash and MiniMax M3?

MiniMax M3 has the lowest input price. Per 1M input tokens: Gemini 3.8 Flash from $0.75 and MiniMax M3 from $0.30.

Which has the larger context window, Gemini 3.8 Flash and MiniMax M3?

Gemini 3.8 Flash has the largest context window: Gemini 3.8 Flash 1,048,576 tokens and MiniMax M3 1,000,000 tokens.

Which is smarter, Gemini 3.8 Flash and MiniMax M3?

Gemini 3.8 Flash scores highest on the Artificial Analysis Intelligence Index: Gemini 3.8 Flash 30.5 and MiniMax M3 18.7.

Can I switch between Gemini 3.8 Flash and MiniMax M3 without changing my code?

Yes. All of them are served through FastRouter's OpenAI-compatible API, so switching is a change of the model parameter (google/gemini-3.8-flash, minimax/minimax-m3).

Gemini 3.8 Flash vs MiniMax M3

Side-by-side pricing per provider, context window, benchmark scores and speed, all on one OpenAI-compatible API.

Estimate monthly cost for these models

Gemini 3.8 Flash Googlegoogle/gemini-3.8-flash

MiniMax M3 Minimaxminimax/minimax-m3

Creator

Google

Minimax

Released

Sep 2, 2026

May 31, 2026

Context window

1.05M

Max output

66K

512K

Input / 1MLowest provider price

$0.75

$0.30

Output / 1MLowest provider price

$3.75

$1.20

Providers

IntelligenceArtificial Analysis index

30.5

18.7

LatencyMedian time to first token

—

3.1s

ThroughputMedian tokens per second

—

<1 t/s

Accepts

Text, Image, Audio, Video, Files

Text, Image, Video

Produces

Text

Tool calling

Yes

Structured output

Yes

Reasoning

Yes

Gemini 3.8 Flash vs MiniMax M3: summary

Gemini 3.8 Flash and MiniMax M3 are both available through FastRouter's OpenAI-compatible API, so switching between them is a change of model id, not a new integration.

Gemini 3.8 Flash, from Google, has a 1,048,576-token context window, costs from $0.75/1M input and $3.75/1M output tokens across 2 providers and scores 30.5 on the Artificial Analysis Intelligence Index.

MiniMax M3, from Minimax, has a 1,000,000-token context window, costs $0.30/1M input and $1.20/1M output tokens and scores 18.7 on the Artificial Analysis Intelligence Index.

MiniMax M3 is the cheapest on input, 2.5× cheaper than the next model, Gemini 3.8 Flash has the largest context window and Gemini 3.8 Flash scores highest for intelligence.

Switch with one line

client = OpenAI(base_url="https://api.fastrouter.ai/api/v1", api_key="<FASTROUTER_API_KEY>") client.chat.completions.create(model="google/gemini-3.8-flash", messages=[...]) # or client.chat.completions.create(model="minimax/minimax-m3", messages=[...])

Full API docs

Frequently asked questions

More comparisons

Benchmark scores sourced from ArtificialAnalysis