DeepSeek V4.1 Flash vs MiniMax M2.7

DeepSeek · China  |  MiniMax · China · Updated June 2026

Quick verdict

Pick DeepSeek V4.1 Flash for software engineering (deepswe v1.1: 74.2, essentially level with claude opus 5's 74.0) or 1m-token context window at a fraction of frontier pricing ($0.15/$0.60 per million tokens off-peak). Pick MiniMax M2.7 for agentic and terminal coding well above its price tier (57.0 on terminal-bench 2, vendor-reported) or independently ranked 14th of 97 on the artificial analysis intelligence index. On a tight budget at scale, DeepSeek V4.1 Flash is the value pick.

DeepSeek V4.1 Flash (DeepSeek) and MiniMax M2.7 (MiniMax) are two of the models people most often weigh against each other in 2026. DeepSeek V4.1 Flash is deepSeek's September 2026 flash-tier update adds native vision and a 1M-token window to its cost-efficient V4 line, at $0.15/$0.60 per million tokens. MiniMax M2.7 is a cheap open-weight agentic coder with near-frontier terminal scores — held back by a non-commercial licence and non-standard benchmarks. They diverge most on price and context window — each quantified below from the models' real specs.

Key differences at a glance

Side-by-side specs

SpecDeepSeek V4.1 FlashMiniMax M2.7
ProviderDeepSeek (China) MiniMax (China)
ReleasedSeptember 10, 2026 March 18, 2026
Context window1.05M tokens (~1,573 pages) 205K (~307 pages)
Price (in/out)$0.15/$0.6 per 1M tokens $0.3/$1.2 per 1M tokens
Open weight?Yes — self-hostable Yes — self-hostable
Modalitiestext, image text, code
SWE-Bench VerifiedNot published Not published
MRCR v2 @ 1MNot published Not published

Who wins what

Software engineering (DeepSWE v1.1: 74.2, essentially level with Claude Opus 5's 74.0)

DeepSeek V4.1 Flash

DeepSeek's September 2026 flash-tier update adds native vision and a 1M-token window to its cost-efficient V4 line, at $0.15/$0.60 per million tokens — and it runs cheaper at $0.15/$0.6 per 1M tokens.

1M-token context window at a fraction of frontier pricing ($0.15/$0.60 per million tokens off-peak)

DeepSeek V4.1 Flash

Its 1.05M tokens window holds about 5.1× more than MiniMax M2.7's 205K in a single prompt.

Native multimodal vision, added over the text-only V4-Flash it replaces on most traffic

DeepSeek V4.1 Flash

DeepSeek's September 2026 flash-tier update adds native vision and a 1M-token window to its cost-efficient V4 line, at $0.15/$0.60 per million tokens — and it carries the larger 1.05M tokens context.

Agentic and terminal coding well above its price tier (57.0 on Terminal-Bench 2, vendor-reported)

MiniMax M2.7

DeepSeek V4.1 Flash is comparatively weak here — the $0.15/$0.60 pricing is an off-peak rate — cost reportedly doubles during peak-demand hours

Independently ranked 14th of 97 on the Artificial Analysis Intelligence Index

MiniMax M2.7

MiniMax M2.7 lists independently ranked 14th of 97 on the Artificial Analysis Intelligence Index among its strengths; DeepSeek V4.1 Flash does not.

Sparse mixture-of-experts — roughly 230B total but only ~10B active, so it runs on local hardware

MiniMax M2.7

DeepSeek V4.1 Flash is comparatively weak here — new Causal Encoder-Decoder architecture (8B active for input, 16B for output) is unproven at broader scale versus DeepSeek's mainline V4/V4-Pro line

Lowest cost at scale

DeepSeek V4.1 Flash

At $0.15/$0.6 per 1M tokens, it is the cheaper of the two — the gap dominates the bill on high-volume workloads.

Largest single-prompt input

DeepSeek V4.1 Flash

Its 1.05M tokens window is about 5.1× larger than MiniMax M2.7's 205K, fitting roughly 1,573 pages in one prompt.

Which should you pick?

A cost-sensitive startup shipping high volume

DeepSeek V4.1 Flash

At $0.15/$0.6 per 1M tokens it undercuts MiniMax M2.7, and on millions of tokens that margin decides the monthly bill.

Someone analysing very long documents or codebases

DeepSeek V4.1 Flash

Larger 1.05M tokens window fits more in one prompt.

Anyone whose priority is software engineering (deepswe v1.1: 74.2, essentially level with claude opus 5's 74.0)

DeepSeek V4.1 Flash

It is specifically built for that.

Anyone whose priority is agentic and terminal coding well above its price tier (57.0 on terminal-bench 2, vendor-reported)

MiniMax M2.7

That is its strongest area.

DeepSeek V4.1 Flash: where it fits

DeepSeek's September 2026 flash-tier update adds native vision and a 1M-token window to its cost-efficient V4 line, at $0.15/$0.60 per million tokens. Released September 10, 2026 by DeepSeek, it is built for software engineering (DeepSWE v1.1: 74.2, essentially level with Claude Opus 5's 74.0), 1M-token context window at a fraction of frontier pricing ($0.15/$0.60 per million tokens off-peak), native multimodal vision, added over the text-only V4-Flash it replaces on most traffic, and mIT-licensed open weights, self-hostable.

Its trade-offs are real: the $0.15/$0.60 pricing is an off-peak rate — cost reportedly doubles during peak-demand hours, new Causal Encoder-Decoder architecture (8B active for input, 16B for output) is unproven at broader scale versus DeepSeek's mainline V4/V4-Pro line, and positioned as a cost/speed tier, not a frontier-reasoning flagship — DeepSeek kept V4-Pro running in parallel rather than replacing it outright. At $0.15 in / $0.6 out per million tokens, it sits in the budget price band.

MiniMax M2.7: where it fits

A cheap open-weight agentic coder with near-frontier terminal scores — held back by a non-commercial licence and non-standard benchmarks. Released March 18, 2026 by MiniMax, it is built for agentic and terminal coding well above its price tier (57.0 on Terminal-Bench 2, vendor-reported), independently ranked 14th of 97 on the Artificial Analysis Intelligence Index, sparse mixture-of-experts — roughly 230B total but only ~10B active, so it runs on local hardware, and served by five separate hosts at uniform pricing, so there is no provider lock-in.

Its trade-offs: open weights but a NON-COMMERCIAL licence — commercial use requires prior written authorisation from MiniMax, and at least one major tracker still mislabels it as MIT, reports SWE-Bench Pro instead of the standard Verified set, which blocks like-for-like comparison, and already superseded internally by M3, and its 205K context is small against 1M-class rivals. At $0.3 in / $1.2 out per million tokens, it sits in the budget price band.

The bottom line for this matchup

DeepSeek V4.1 Flash and MiniMax M2.7 overlap enough that the right pick depends on your specific job. DeepSeek V4.1 Flash costs less per token; DeepSeek V4.1 Flash holds the larger context; and each leads in its own area — DeepSeek V4.1 Flash for software engineering (deepswe v1.1: 74.2, essentially level with claude opus 5's 74.0), MiniMax M2.7 for agentic and terminal coding well above its price tier (57.0 on terminal-bench 2, vendor-reported). Rather than crowning one, run the same hard task through both once and let the results decide.

Want both DeepSeek V4.1 Flash and MiniMax M2.7 without two subscriptions? LumiChats gives you these plus 40+ models under one ₹69/day pass (about $1/day) — draft with one, cross-check with the other.

See pricing

Frequently asked questions

Is DeepSeek V4.1 Flash or MiniMax M2.7 better for coding?

Public SWE-Bench figures are not available for either model, so the honest test is your own repository — run an identical real bug through both. By design, DeepSeek V4.1 Flash leans toward software engineering (deepswe v1.1: 74.2, essentially level with claude opus 5's 74.0) while MiniMax M2.7 leans toward agentic and terminal coding well above its price tier (57.0 on terminal-bench 2, vendor-reported), and that positioning usually predicts which feels better on your codebase.

Which is cheaper, DeepSeek V4.1 Flash or MiniMax M2.7?

DeepSeek V4.1 Flash is cheaper — $0.15/$0.6 per 1M tokens vs $0.3/$1.2 per 1M tokens, roughly 2× apart on input.

Which has the bigger context window?

DeepSeek V4.1 Flash — 1.05M tokens vs 205K, about 5.1× larger. Useful only if the model actually reasons over the full window, which not all do.

Can I use both DeepSeek V4.1 Flash and MiniMax M2.7 together?

Yes — a multi-model platform like LumiChats gives you DeepSeek V4.1 Flash, MiniMax M2.7 and 40+ others under one ₹69/day pass (about $1/day), so you can draft with one and cross-check with the other instead of buying two subscriptions.

Which is newer, DeepSeek V4.1 Flash or MiniMax M2.7?

DeepSeek V4.1 Flash — released September 10, 2026, about 6 months after MiniMax M2.7.

Related comparisons

Specifications and benchmarks reflect publicly reported figures as of June 2026 and may change as providers release updates. Always verify on your own workload.