MiniMax M2.7 vs Step 3.7 Flash
MiniMax M2.7 (2026) and Step 3.7 Flash (2026) are frontier-tier reasoning models from MiniMax and StepFun. MiniMax M2.7 ships a 205k-token context window, while Step 3.7 Flash ships a 256k-token context window. On SWE-bench Pro, Step 3.7 Flash leads by 0.1 pts. On pricing, Step 3.7 Flash costs $0.20/1M input tokens versus $0.28/1M for the alternative. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads.
Step 3.7 Flash is safer overall; choose MiniMax M2.7 when provider fit matters.
Decision scorecard
Local evidence first| Signal | MiniMax M2.7 | Step 3.7 Flash |
|---|---|---|
| Best for | reasoning-heavy apps, tool-calling agents, and provider-routed production | reasoning-heavy apps, multimodal apps, and tool-calling agents |
| Decision fit | Coding, RAG, and Agents | Coding, RAG, and Agents |
| Context window | 205k | 256k |
| Cheapest output | $1.20/1M tokens | $1.15/1M tokens |
| Provider routes | 4 tracked | 3 tracked |
| Shared benchmarks | 1 rows | SWE-bench Pro leader |
Decision tradeoffs
- MiniMax M2.7 has broader tracked provider coverage for fallback and procurement flexibility.
- Local decision data tags MiniMax M2.7 for Coding, RAG, and Agents.
- Step 3.7 Flash holds a shared-benchmark lead on SWE-bench Pro, ahead by 0.1 points.
- Step 3.7 Flash has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Step 3.7 Flash has the lower cheapest tracked output price at $1.15/1M tokens.
- Step 3.7 Flash uniquely exposes Vision and Multimodal in local model data.
- Local decision data tags Step 3.7 Flash for Coding, RAG, and Agents.
Monthly cost at traffic
Estimate token spend from the cheapest tracked input and output route or tier on this page.
MiniMax M2.7
$523
Cheapest tracked route/tier: OpenRouter
Step 3.7 Flash
$448
Cheapest tracked route/tier: StepFun
Estimated monthly gap: $75.70. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.
Switch friction
- Provider overlap exists on OpenRouter; start route-level A/B tests there.
- Step 3.7 Flash is $0.05/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
- Step 3.7 Flash adds Vision and Multimodal in local capability data.
- Provider overlap exists on OpenRouter; start route-level A/B tests there.
- MiniMax M2.7 is $0.05/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
- Check replacement coverage for Vision and Multimodal before moving production traffic.
Specs
| Specification | ||
|---|---|---|
| Released | 2026-03-18 | 2026-05-29 |
| Context window | 205k | 256k |
| Parameters | 10B active | 198B (11B active) |
| Architecture | decoder only | mixture of experts |
| License | MIT(OSI) | Proprietary |
| Openness | Open source | Proprietary |
| Commercial use | Commercial use allowed | Commercial use with conditions |
| Knowledge cutoff | - | - |
Pricing and availability
| Pricing attribute | MiniMax M2.7 | Step 3.7 Flash |
|---|---|---|
| Input price | $0.28/1M tokens | $0.20/1M tokens |
| Output price | $1.20/1M tokens | $1.15/1M tokens |
| Providers |
Capabilities
| Capability | MiniMax M2.7 | Step 3.7 Flash |
|---|---|---|
| Vision | No | Yes |
| Multimodal | No | Yes |
| Reasoning | Yes | Yes |
| Function calling | Yes | Yes |
| Tool use | Yes | Yes |
| Structured outputs | Yes | Yes |
| Code execution | No | No |
| IDE integration | No | No |
| Computer use | No | No |
| Parallel agents | No | No |
Benchmarks
| Benchmark | MiniMax M2.7 | Step 3.7 Flash |
|---|---|---|
| SWE-bench Pro | 56.2 | 56.3 |
Deep dive
On shared benchmark coverage, SWE-bench Pro has MiniMax M2.7 at 56.2 and Step 3.7 Flash at 56.3, with Step 3.7 Flash ahead by 0.1 points. The largest visible gap is 0.1 points on SWE-bench Pro, which matters most when that benchmark mirrors your workload. Treat isolated benchmark wins as directional, because provider routing, prompt style, and tool access can move real application results.
The capability footprint differs most on vision: Step 3.7 Flash and multimodal input: Step 3.7 Flash. Both models share reasoning mode, function calling, tool use, and structured outputs, so the practical split is not just feature count. Use those differences to decide whether the page is about raw model quality, agentic coding support, multimodal ingestion, or predictable structured API behavior.
For cost, MiniMax M2.7 lists $0.28/1M input and $1.20/1M output tokens on the cheapest tracked provider, while Step 3.7 Flash lists $0.20/1M input and $1.15/1M output tokens on the cheapest tracked provider. A 70/30 input-output blend puts Step 3.7 Flash lower by about $0.07 per million blended tokens. Availability is 4 providers versus 3, so concentration risk also matters.
Choose MiniMax M2.7 when provider fit and broader provider choice are central to the workload. Choose Step 3.7 Flash when long-context analysis, larger context windows, and lower input-token cost are more important. For production, rerun your own prompts through the exact provider, region, and tool stack you plan to ship.
FAQ
Which has a larger context window, MiniMax M2.7 or Step 3.7 Flash?
Step 3.7 Flash supports 256k tokens, while MiniMax M2.7 supports 205k tokens. That gap matters most for long documents, large codebases, retrieval-heavy agents, and conversations where earlier context must remain visible.
Which is cheaper, MiniMax M2.7 or Step 3.7 Flash?
Step 3.7 Flash is cheaper on tracked token pricing. MiniMax M2.7 costs $0.28/1M input and $1.20/1M output tokens. Step 3.7 Flash costs $0.20/1M input and $1.15/1M output tokens. Provider discounts or batch pricing can still change the final bill.
Is MiniMax M2.7 or Step 3.7 Flash open source?
MiniMax M2.7 is listed under MIT. Step 3.7 Flash is listed under Proprietary. License labels affect whether you can self-host, redistribute weights, or rely only on hosted APIs, so confirm the upstream license before deployment.
Which is better for vision, MiniMax M2.7 or Step 3.7 Flash?
Step 3.7 Flash has the clearer documented vision signal in this comparison. If vision is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.
Which is better for multimodal input, MiniMax M2.7 or Step 3.7 Flash?
Step 3.7 Flash has the clearer documented multimodal input signal in this comparison. If multimodal input is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.
Where can I run MiniMax M2.7 and Step 3.7 Flash?
MiniMax M2.7 is available on OpenRouter, Fireworks AI, Vercel AI Gateway, and Novita AI. Step 3.7 Flash is available on StepFun, OpenRouter, and NVIDIA NIM. Provider coverage can affect latency, region availability, compliance posture, and fallback options.
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Last reviewed: 2026-06-01. Data sourced from public model cards and provider documentation.