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Llama 3.1 8B vs DeepSeek V4 Flash

At a glance

Compact 8B model from Meta's Llama 3.1 series.

50131K ctx$0.05/$0.08 per M#76/92

Efficiency-optimized DeepSeek V4 at 284B total / 13B active for fast, high-throughput inference.

1.0M ctx$0.09/$0.19 per M
Demos
All demos

No shared demos for these models yet.

AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
CodingInsufficient data
AgenticInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Cheaper51%
Capability
CapabilityECI50.3
Reasoning & Knowledge
Graduate Science25.9%
Math
Math Problems22.9%Competition Math2.5%
Reasoning
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Capability
Capability—
Reasoning & Knowledge
Graduate Science—
Math
Math Problems—Competition Math—
Specs
131K
Context
66K
Max output
Jul 2024
Released
1.0M
Context
16K
Max output
Apr 2026
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input47%$0.05/M tokens
Output57%$0.08/M tokens
Cache read$0.02/M tokens
Live pricing, shown before you run
Input$0.09/M tokens
Output$0.19/M tokens
Cache read25%$0.02/M tokens
Chat with Llama 3.1 8BGo to model
Chat with DeepSeek V4 FlashGo to model
Frequently Asked Questions: Llama 3.1 8B vs DeepSeek V4 Flash▼

Which is better, Llama 3.1 8B or DeepSeek V4 Flash?

▼

Both Llama 3.1 8B and DeepSeek V4 Flash are capable AI models. The best choice depends on your specific use case: consider pricing, context window, speed, and which capabilities (vision, reasoning, audio) you need.

Which is cheaper, Llama 3.1 8B or DeepSeek V4 Flash?

▼

Llama 3.1 8B has a lower blended cost. Llama 3.1 8B: $0.05 input / $0.08 output. DeepSeek V4 Flash: $0.09 input / $0.19 output.

Which has a larger context window, Llama 3.1 8B or DeepSeek V4 Flash?

▼

DeepSeek V4 Flash has a larger context window: Llama 3.1 8B supports 131K tokens vs DeepSeek V4 Flash at 1M tokens.

What are the key differences between Llama 3.1 8B and DeepSeek V4 Flash?

▼

Key differences: only DeepSeek V4 Flash offers extended reasoning mode. Compare full specs on this page.

Which model should I choose for my use case?

▼

If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both Llama 3.1 8B and DeepSeek V4 Flash for free on idapt.app to see which performs better for your specific needs.

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