DeepSeek V4 Flash vs GLM-5V-Turbo
DeepSeek V4 Flash (2026) and GLM-5V-Turbo (2026) are frontier-tier reasoning models from DeepSeek and Zhipu AI. DeepSeek V4 Flash ships a 1m-token context window, while GLM-5V-Turbo ships a 200k-token context window. On pricing, DeepSeek V4 Flash ranges from $0.22 to $0.44/1M input tokens by tier; GLM-5V-Turbo costs $1.20/1M input tokens. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads.
DeepSeek V4 Flash fits 5x more tokens; pick it for long-context work and GLM-5V-Turbo for tighter calls.
Decision scorecard
Local evidence first| Signal | DeepSeek V4 Flash | GLM-5V-Turbo |
|---|---|---|
| Best for | reasoning-heavy apps, tool-calling agents, and long-context analysis | reasoning-heavy apps, multimodal apps, and tool-calling agents |
| Decision fit | Coding, RAG, and Agents | RAG, Agents, and Long context |
| Context window | 1m | 200k |
| Cheapest output | $0.12/1M tokens | $4/1M tokens |
| Provider routes | 5 tracked | 2 tracked |
| Shared benchmarks | 0 shared | 0 shared |
Decision tradeoffs
- DeepSeek V4 Flash has the larger context window for long prompts, retrieval packs, or transcript analysis.
- DeepSeek V4 Flash has the lower cheapest tracked output price at $0.12/1M tokens.
- DeepSeek V4 Flash has broader tracked provider coverage for fallback and route flexibility.
- Local decision data tags DeepSeek V4 Flash for Coding, RAG, and Agents.
- GLM-5V-Turbo uniquely exposes Vision and Multimodal in local model data.
- Local decision data tags GLM-5V-Turbo for RAG, Agents, and Long context.
Monthly cost at traffic
Estimate token spend from the cheapest tracked input and output route or tier on this page.
DeepSeek V4 Flash
$76.26
Cheapest tracked route/tier: OpenRouter
GLM-5V-Turbo
$1,960
Cheapest tracked route/tier: OpenRouter
Estimated monthly gap: $1,884. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.
Switch friction
- Provider overlap exists on OpenRouter and Vercel AI Gateway; start route-level A/B tests there.
- GLM-5V-Turbo is $3.88/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
- GLM-5V-Turbo adds Vision and Multimodal in local capability data.
- Provider overlap exists on OpenRouter and Vercel AI Gateway; start route-level A/B tests there.
- DeepSeek V4 Flash is $3.88/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
- Check replacement coverage for Vision and Multimodal before moving production traffic.
Specs
| Specification | ||
|---|---|---|
| Released | 2026-04-24 | 2026-04-01 |
| Context window | 1m | 200k |
| Parameters | 284B | 744B total, 40B active |
| Architecture | Mixture of Experts | Mixture of Experts |
| License | MITOSI-approved | MITOSI-approved |
| Openness | Open source | Open source |
| Weights | Available | Unknown |
| Code | Unknown | Unknown |
| Commercial use | Commercial use: permitted | Commercial use: permitted |
| Knowledge cutoff | - | 2025-11 |
Pricing and availability
| Pricing attribute | DeepSeek V4 Flash | GLM-5V-Turbo |
|---|---|---|
| Input price |
| $1.20/1M tokens |
| Output price |
| $4/1M tokens |
| Providers |
Capabilities
| Capability | DeepSeek V4 Flash | GLM-5V-Turbo |
|---|---|---|
| Vision | No | Yes |
| Multimodal | No | Yes |
| Reasoning | Yes | Yes |
| JSON / 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
No shared benchmark scores are currently available for this pair.
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Last reviewed: 2026-07-03. Data sourced from public model cards and provider documentation.