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  5. DeepSeek V4.1 FlashvsGemini 2.5 Pro Experimental
Updated Sep 2026

DeepSeek V4.1 FlashvsGemini 2.5 Pro Experimental

DeepSeek V4.1 Flash is cheaper than Gemini 2.5 Pro Experimental at $0.15/M vs $1/M input tokens.

DeepSeek V4.1 Flash and Gemini 2.5 Pro Experimental compared across 6 shared prompts
SpecDeepSeek V4.1 FlashGemini 2.5 Pro Experimental
Input price$0.15/M tokens$1/M tokens
Output price$0.6/M tokens$2/M tokens
Context window1.0M tokens1.0M tokens
WeightsOpenClosed
Free API (OpenRouter)NoNo
ReleasedSep 2026Mar 2025
Our Verdict
DeepSeek V4.1 Flash
DeepSeek V4.1 Flash
Gemini 2.5 Pro Experimental
Gemini 2.5 Pro Experimental

Not enough votes to call it. On the specs, nothing separates them.

DeepSeek V4.1 Flash costs 3.3x less per token.

Too close to call
API pricing

Cost per 1M tokens

DeepSeek V4.1 Flash
Input
$0.15
6.7× cheaper
Output
$0.60
3.3× cheaper
Gemini 2.5 Pro Experimental
Input
$1.00
Output
$2.00

DeepSeek V4.1 Flash is cheaper on both: 6.7× input, 3.3× output.

Where to run it

24 hosts, cheapest first

DeepSeek V4.1 Flash22 hosts
HostInOutContextUptime
MMorph$0.12 in·$0.48 out·1M·98.2% upRRelacefp4$0.13 in·$0.52 out·1M·99.9% upDDeepInfrafp8$0.14 in·$0.42 out·1M·99.7% upAlibaba Cloud$0.15 in·$0.60 out·1M·99.9% upDeepSeek$0.15 in·$0.60 out·1M·100% upSStreamLakefp8$0.15 in·$0.60 out·1M·99.5% up
16 more hostsFewer hosts
SSail Researchfp4$0.20 in·$0.60 out·1M·99.9% upWWafer$0.20 in·$0.60 out·1M·99.8% upCCoreWeavefp8$0.20 in·$0.65 out·1M·99.2% upFFireworks$0.22 in·$0.66 out·1M·98.3% upPPhala$0.28 in·$1.10 out·1M·99.4% upGGMI Cloudfp8$0.28 in·$1.14 out·1M·99.7% upNNovitafp8$0.28 in·$1.14 out·1M·100% upAAtlasCloudfp8$0.30 in·$1.20 out·1M·99.8% upDDigitalOcean$0.30 in·$1.20 out·1M·98.4% upMMakora$0.30 in·$1.20 out·1M·98.6% upModal$0.30 in·$1.20 out·1M·99.8% upPParasailfp8$0.30 in·$1.20 out·1M·92.9% upSSiliconFlowfp8$0.30 in·$1.20 out·1M·99.8% upTTogether$0.30 in·$1.20 out·1M·99.9% upBBasetenfp8degraded$0.30 in·$1.20 out·1M·98.4% upVVenicefp8degraded$0.38 in·$1.50 out·1M·95% up
Gemini 2.5 Pro Experimental2 hosts
HostInOutContextUptime
Google Vertex AI$1.25 in·$10.00 out·1M·95.6% upGoogle AI Studio$1.25 in·$10.00 out·1M·99.1% up

Per million tokens. Prices and uptime via OpenRouter, checked 22 Sep 2026.

Research

What we learned reading every model

FAQ

Common questions

DeepSeek V4.1 Flash is developed by DeepSeek while Gemini 2.5 Pro Experimental is developed by Google AI. DeepSeek V4.1 Flash has a 1.0M token context window vs Gemini 2.5 Pro Experimental's 1.0M. You can compare their actual outputs across 6 challenges on Rival to see how they differ in practice.

It depends on your use case. DeepSeek V4.1 Flash and Gemini 2.5 Pro Experimental each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 6 challenges so you can judge which fits your needs best.

DeepSeek V4.1 Flash costs $0.15/M input tokens and Gemini 2.5 Pro Experimental costs $1/M input tokens. DeepSeek V4.1 Flash is $0.85/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

This page shows a side-by-side comparison of DeepSeek V4.1 Flash and Gemini 2.5 Pro Experimental across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.

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Model pages

DeepSeek V4.1 Flash logo
DeepSeek V4.1 Flash6 outputs, specs and price
Gemini 2.5 Pro Experimental logo
Gemini 2.5 Pro Experimental44 outputs, specs and price
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