Llama 4 Maverick 17B Instruct vs Step 3.7 Flash
Llama 4 Maverick 17B Instruct (2025) and Step 3.7 Flash (2026) are frontier reasoning models from AI at Meta and StepFun. Llama 4 Maverick 17B Instruct ships a 1m-token context window, while Step 3.7 Flash ships a 256k-token context window. On pricing, Step 3.7 Flash costs $0.20/1M input tokens versus $0.24/1M for the alternative. This comparison covers specs, pricing, capabilities, benchmarks, provider availability, and production fit.
Step 3.7 Flash is safer overall; choose Llama 4 Maverick 17B Instruct when long-context analysis matters.
Decision scorecard
Local evidence first| Signal | Llama 4 Maverick 17B Instruct | Step 3.7 Flash |
|---|---|---|
| Best for | multimodal apps, long-context analysis, and provider-routed production | reasoning-heavy apps, multimodal apps, and tool-calling agents |
| Decision fit | Coding, RAG, and Long context | Coding, RAG, and Agents |
| Context window | 1m | 256k |
| Cheapest output | $0.97/1M tokens | $1.15/1M tokens |
| Provider routes | 2 tracked | 3 tracked |
| Shared benchmarks | 0 rows | 0 rows |
Decision tradeoffs
- Llama 4 Maverick 17B Instruct has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Llama 4 Maverick 17B Instruct has the lower cheapest tracked output price at $0.97/1M tokens.
- Local decision data tags Llama 4 Maverick 17B Instruct for Coding, RAG, and Long context.
- Step 3.7 Flash has broader tracked provider coverage for fallback and procurement flexibility.
- Step 3.7 Flash uniquely exposes Vision, Reasoning, and Function calling 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.
Llama 4 Maverick 17B Instruct
$435
Cheapest tracked route/tier: AWS Bedrock
Step 3.7 Flash
$448
Cheapest tracked route/tier: StepFun
Estimated monthly gap: $13.00. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.
Switch friction
- No overlapping tracked provider route is sourced for Llama 4 Maverick 17B Instruct and Step 3.7 Flash; plan for SDK, billing, or endpoint changes.
- Step 3.7 Flash is $0.18/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
- Step 3.7 Flash adds Vision, Reasoning, and Function calling in local capability data.
- No overlapping tracked provider route is sourced for Step 3.7 Flash and Llama 4 Maverick 17B Instruct; plan for SDK, billing, or endpoint changes.
- Llama 4 Maverick 17B Instruct is $0.18/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
- Check replacement coverage for Vision, Reasoning, and Function calling before moving production traffic.
Specs
| Specification | ||
|---|---|---|
| Released | 2025-04-05 | 2026-05-29 |
| Context window | 1m | 256k |
| Parameters | 400B (17B active) | 198B (11B active) |
| Architecture | - | mixture of experts |
| License | Proprietary | Apache 2.0 |
| Knowledge cutoff | 2024-08 | - |
Pricing and availability
| Pricing attribute | Llama 4 Maverick 17B Instruct | Step 3.7 Flash |
|---|---|---|
| Input price | $0.24/1M tokens | $0.20/1M tokens |
| Output price | $0.97/1M tokens | $1.15/1M tokens |
| Providers |
Capabilities
| Capability | Llama 4 Maverick 17B Instruct | Step 3.7 Flash |
|---|---|---|
| Vision | No | Yes |
| Multimodal | Yes | Yes |
| Reasoning | No | Yes |
| Function calling | No | Yes |
| Tool use | No | Yes |
| Structured outputs | Yes | Yes |
| Code execution | No | No |
| IDE integration | No | No |
| Computer use | No | No |
| Parallel agents | No | No |
Benchmarks
No shared benchmark rows are currently sourced for this pair.
Deep dive
The capability footprint differs most on vision: Step 3.7 Flash, reasoning mode: Step 3.7 Flash, function calling: Step 3.7 Flash, and tool use: Step 3.7 Flash. Both models share multimodal input 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, Llama 4 Maverick 17B Instruct lists $0.24/1M input and $0.97/1M 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 Llama 4 Maverick 17B Instruct lower by about $0.03 per million blended tokens. Availability is 2 providers versus 3, so concentration risk also matters.
Choose Llama 4 Maverick 17B Instruct when long-context analysis and larger context windows are central to the workload. Choose Step 3.7 Flash when reasoning depth, lower input-token cost, and broader provider choice 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, Llama 4 Maverick 17B Instruct or Step 3.7 Flash?
Llama 4 Maverick 17B Instruct supports 1m tokens, while Step 3.7 Flash supports 256k tokens. That gap matters most for long documents, large codebases, retrieval-heavy agents, and conversations where earlier context must remain visible.
Which is cheaper, Llama 4 Maverick 17B Instruct or Step 3.7 Flash?
Llama 4 Maverick 17B Instruct is cheaper on tracked token pricing. Llama 4 Maverick 17B Instruct costs $0.24/1M input and $0.97/1M 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 Llama 4 Maverick 17B Instruct or Step 3.7 Flash open source?
Llama 4 Maverick 17B Instruct is listed under Proprietary. Step 3.7 Flash is listed under Apache 2.0. 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, Llama 4 Maverick 17B Instruct 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, Llama 4 Maverick 17B Instruct or Step 3.7 Flash?
Both Llama 4 Maverick 17B Instruct and Step 3.7 Flash expose multimodal input. The better choice depends on benchmark fit, context budget, pricing, and whether your provider route exposes the same capability surface.
Where can I run Llama 4 Maverick 17B Instruct and Step 3.7 Flash?
Llama 4 Maverick 17B Instruct is available on AWS Bedrock and Vercel AI Gateway. Step 3.7 Flash is available on StepFun, OpenRouter, and NVIDIA NIM. Provider coverage can affect latency, region availability, compliance posture, and fallback options.
Continue comparing
Last reviewed: 2026-05-29. Data sourced from public model cards and provider documentation.