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Llama 3.3 70B Instruct (free) vs Step 3.5 Flash

Signal-by-Signal Comparison
SignalLlama 3.3 70B Instruct (free)DeltaStep 3.5 Flash
Capabilities
33
-17
50
Benchmarks
71
+5
66
Pricing
100
+0
100
Context window size
73
-4
77
Recency
26
-74
100
Output Capacity
20
-60
80
Overall Result
2 wins
of 6
4 wins
Step 3.5 Flash wins 4 of 6 signals

Score History

Score History (22 data points)
Llama 3.3 70B Instruct (free)Step 3.5 Flash
Llama 3.3 70B Instruct (free)

65.5

current score

Leader

Step 3.5 Flash

right now

Step 3.5 Flash

65.8

current score

LMMarketCap.com
Interactive Price Comparison
100Kcalls/month
1,000tokens (~1,333 chars)
500tokens (~667 chars)

Llama 3.3 70B Instruct (free)

Meta

Best Value
Per request$0.000000
Daily$0.00
Monthly$0.00
Annual$0.00

Step 3.5 Flash

StepFun

Per request$0.000250
Daily$0.83
Monthly$25.00
Annual$300.00

Llama 3.3 70B Instruct (free) saves you $25.00/month

That's $300.00/year compared to Step 3.5 Flash at your current usage level of 100K calls/month.

100% cheaper
Choose Llama 3.3 70B Instruct (free) for cost optimization

Llama 3.3 70B Instruct (free) pricing:
Input:$0.00/M tokens
Output:$0.00/M tokens
Step 3.5 Flash pricing:
Input:$0.10/M tokens
Output:$0.30/M tokens
Llama 3.3 70B Instruct (free)

Meta

66

Composite Score

Winner
Step 3.5 Flash

StepFun

66

Composite Score

Signal-by-Signal Comparison
MetricLlama 3.3 70B Instruct (free)Step 3.5 FlashWinner
Overall Score
66
66
Step 3.5 Flash
Rank#129#128
Step 3.5 Flash
Quality Rank#129#128
Step 3.5 Flash
Adoption Rank#129#128
Step 3.5 Flash
Parameters70B----
Context Window131K262K
Step 3.5 Flash
PricingFree$0.10/$0.30/M--
Signal Scores
Capabilities
33
50
Step 3.5 Flash
Benchmarks
71
66
Llama 3.3 70B Instruct (free)
Pricing
100
100
Llama 3.3 70B Instruct (free)
Context window size
73
77
Step 3.5 Flash
Recency
26
100
Step 3.5 Flash
Output Capacity
20
80
Step 3.5 Flash
Benchmark Head-to-Head(9 benchmarks)
Llama 3.3: 0Step 3.5: 1
Llama 3.3
Step 3.5
Normalized 0-100%
MMLU
86.3%-
MMLU-Pro
68.9%-
GPQA Diamond
50.5%-
MATH-500
77%-
HumanEval
88.4%-
IFEval
92.1%-
BBH
82.8%-
Arena Elo
12431395
BigCodeBench
46.9%-
Benchmark Interpretation

Our score (0-100) is driven by benchmark performance (90%) from Arena Elo ratings, MMLU, GPQA, HumanEval, SWE-bench, and 15+ standardized evaluations. Capabilities and context window serve as tiebreakers (10%). Learn more about our methodology.

Llama 3.3 70B Instruct (free)Competitive

Scores 66/100 (rank #129), placing it in the top 56% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
Step 3.5 FlashCompetitive

Scores 66/100 (rank #128), placing it in the top 56% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

With only a 0-point gap, these models are in the same performance tier. The practical difference in output quality is minimal - your choice should depend on pricing, latency requirements, and specific feature needs.

When to Use Each Model

Choose Llama 3.3 70B Instruct (free) when you need:

  • High-volume production workloads where API costs must be minimized
  • Self-hosted deployments where you need full control over the model

Choose Step 3.5 Flash when you need:

  • Processing long documents or large codebases (262K token context)
  • Step-by-step reasoning and chain-of-thought problem solving
  • Self-hosted deployments where you need full control over the model
Cost-Performance Analysis
Llama 3.3 70B Instruct (free)
Input cost$0.00/M tokens
Output cost$0.00/M tokens
Cost per quality point$0.000
Est. monthly (1M tokens/day)$0.00
Step 3.5 Flash
Input cost$0.10/M tokens
Output cost$0.30/M tokens
Cost per quality point$0.006
Est. monthly (1M tokens/day)$6.00

Compare the cost per quality point to find the best value for your specific workload.

Latency & Speed
Llama 3.3 70B Instruct (free)Faster
Speed score0/100
Step 3.5 Flash
Speed score0/100

Both models have comparable response speeds. For most applications, the latency difference is negligible.

When latency matters most: Interactive chatbots, IDE code completion, real-time translation, and user-facing applications where response time directly impacts experience. For batch processing, background summarization, or offline analysis, latency is less critical.

Example Use Cases

Code generation & review

Based on overall model capabilities and architecture for coding tasks like generating functions, debugging, and refactoring

Llama 3.3 70B Instruct (free)

Customer support chatbot

Suitable for user-facing chat with competitive response times. Llama 3.3 70B Instruct (free) also offers lower per-token costs for high-volume support

Llama 3.3 70B Instruct (free)

Long document analysis

Larger context window (262K tokens) can process longer documents, contracts, and research papers in a single pass

Step 3.5 Flash

Batch data extraction

Lower output pricing ($0.00/M) reduces costs when processing thousands of records daily

Llama 3.3 70B Instruct (free)

Creative writing & content

Higher overall composite score (66/100) correlates with better nuance, coherence, and style in long-form content

Step 3.5 Flash
Which Should You Choose?
Our recommendation:
Step 3.5 Flash

Llama 3.3 70B Instruct (free) and Step 3.5 Flash are extremely close in overall performance (only 0.29999999999999716 points apart). Your best choice depends entirely on which specific strengths matter most for your use case.

by Meta

  • Choose for Quality - Marginally better benchmark scores; both are excellent
  • Choose for Cost - 100% lower pricing; better value at scale
  • Choose for Reliability - Higher uptime and faster response speeds
  • Choose for Prototyping - Stronger community support and better developer experience
  • Choose for Production - Wider enterprise adoption and proven at scale
Step 3.5 Flash
Recommended

by StepFun

Consider for specialized use cases.

Capability Comparison
CapabilityLlama 3.3 70B Instruct (free)Step 3.5 Flash
Vision (Image Input)
Function Calling
Streaming
JSON Mode
Reasoningdiffers
Web Search
Image Output
Monthly Cost Calculator
1,000tokens (600 in / 400 out)
100requests/day (3,000/month)

Llama 3.3 70B Instruct (free)

Meta

Best Value
$0.000000
estimated monthly cost

Step 3.5 Flash

StepFun

$0.5400
estimated monthly cost

Llama 3.3 70B Instruct (free) saves you $0.5400/month

That's 100% cheaper than Step 3.5 Flash at 1,000 tokens/request and 100 requests/day.

Assumes 60% input / 40% output token ratio per request. Actual costs may vary based on your usage pattern.

Parameters & Context
ParameterLlama 3.3 70B Instruct (free)Step 3.5 Flash
Context Window131K262K
Max Output Tokens--65,536
Open SourceYesYes
CreatedDec 6, 2024Jan 29, 2026
Last updated: 40m ago

相关对比

Llama 3.3 70B Instruct (free) vs Step 3.5 Flash (2026) | LM Market Cap