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DeepSeek V4 Pro vs MiMo V2.6 Flash

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

Estimate monthly cost for these models
Metric
DeepSeek V4 ProDeepSeekdeepseek/deepseek-v4-pro
MiMo V2.6 FlashXiaomixiaomi/mimo-v2.6-flash
Creator
DeepSeek
Xiaomi
Released
Apr 24, 2026
Sep 21, 2026
Context window
1.05M
1.05M
Max output
384K (best)
131K
Input / 1MLowest provider price
$1.30$1.30–$2.40 across 4
$0.14 (best)
Output / 1MLowest provider price
$2.60$2.60–$4.80 across 4
$0.28 (best)
Providers
4 (best)
1
IntelligenceArtificial Analysis index
23.1
26.7 (best)
LatencyMedian time to first token
4.9s
—
ThroughputMedian tokens per second
<1 t/s
—
Accepts
Text
Text, Image, Video, Audio
Produces
Text
Text
Tool calling
Yes
Yes
Structured output
Yes
Yes
Reasoning
Yes
Yes

DeepSeek V4 Pro vs MiMo V2.6 Flash: summary

DeepSeek V4 Pro and MiMo V2.6 Flash are both available through FastRouter's OpenAI-compatible API, so switching between them is a change of model id, not a new integration.

DeepSeek V4 Pro, from DeepSeek, has a 1,048,576-token context window, costs from $1.30/1M input and $2.60/1M output tokens across 4 providers and scores 23.1 on the Artificial Analysis Intelligence Index.

MiMo V2.6 Flash, from Xiaomi, has a 1,048,576-token context window, costs $0.14/1M input and $0.28/1M output tokens and scores 26.7 on the Artificial Analysis Intelligence Index.

MiMo V2.6 Flash is the cheapest on input, 9.3× cheaper than the next model and MiMo V2.6 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="deepseek/deepseek-v4-pro", messages=[...]) # or client.chat.completions.create(model="xiaomi/mimo-v2.6-flash", messages=[...])
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Benchmark scores sourced from ArtificialAnalysis