API cost decision in 10 seconds

NewParticle-1 vs Claude Opus 5.5 (batch)

Pick Particle-1 when budget and context both matter.

Page updated:  Data confirmed:  Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick Particle-1 when budget and context both matter.

On the standard 1M input plus 500K output workload, Particle-1 is estimated at $0.75 vs $7 for Claude Opus 5.5 (batch), saving $6.25 (89.3% lower).

Cost-first pickParticle-1
Context-first pickParticle-1
Sample savings$6.2589.3%
10x traffic gap$62.5

Particle-1 is cheaper on the standard workload and also has the larger context window. At 10x that traffic, the same price gap is about $62.5. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Particle-1 stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shapeToken mixBetter pickParticle-1Claude Opus 5.5 (batch)
Input-heavy / RAG5M input + 500K outputParticle-1$1.75$15
Balanced workload1M input + 1M outputParticle-1$1.25$12
Output-heavy chatbot1M input + 5M outputParticle-1$5.25$52
Cheaper input Particle-1 $0.25 vs $2 / 1M

Particle-1 is $1.75 cheaper per 1M input tokens (87.5% lower; 8x difference).

Cheaper output Particle-1 $1 vs $10 / 1M

Particle-1 is $9 cheaper per 1M output tokens (90% lower; 10x difference).

Larger context Particle-1 1.05M vs 1M

Particle-1 has 48.58K more context (1.05x larger).

Sample workload Particle-1 $0.75 vs $7

Particle-1 is $6.25 cheaper on the standard workload (89.3% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.
Particle-1 Calculating… Estimated API cost
Claude Opus 5.5 (batch) Calculating… Estimated API cost
Cheaper for this workload Calculating… Difference: calculating…

This estimate uses normalized public API pricing per 1M tokens. It is a planning aid, not a billing quote. Verify provider pricing, limits, and terms before production use.

Quick Decision

Verdict

Particle-1 has the lower input price; Particle-1 has the lower output price; Particle-1 offers the larger context window. For the 1M input plus 500K output sample, Particle-1 is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $0.75 for Particle-1 and $7 for Claude Opus 5.5 (batch).

Best Fit

Choose Particle-1 when you care most about lower input-token price, lower output-token price, and larger context window.

Choose Claude Opus 5.5 (batch) when its provider, model quality, latency, or availability is more important than the numeric price/context winner.

Decision Notes
  • On the standard 1M input plus 500K output workload, Particle-1 is estimated at $0.75 vs $7 for Claude Opus 5.5 (batch), saving $6.25 (89.3% lower).
  • Particle-1 is $6.25 cheaper on the standard workload (89.3% lower).
  • Particle-1 is $1.75 cheaper per 1M input tokens (87.5% lower; 8x difference).
  • Particle-1 is $9 cheaper per 1M output tokens (90% lower; 10x difference).
  • Particle-1 has 48.58K more context (1.05x larger).
Head-to-Head Specs
FeatureNewParticle-1
(Particle AI)
Claude Opus 5.5 (batch)
(Anthropic)
Input Price
prompt tokens per 1M
$0.25$2
Completion Price
per 1M tokens
$1$10
Sample Workload Cost
1M input + 500K output
$0.75$7
Context Window1.05M1M
Release Date

Use-Case Decision Matrix

Use caseBetter pickWhy
Budget-constrained productionParticle-1On the standard 1M input plus 500K output workload, Particle-1 is estimated at $0.75 vs $7 for Claude Opus 5.5 (batch), saving $6.25 (89.3% lower).
High-volume input processingParticle-1Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbotsParticle-1Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document workParticle-1A larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps
  • Claude Haiku 5.5 (batch) can replace Claude Opus 5.5 (batch) when lower sample workload cost matters most: $0.17.
  • Claude Haiku 5.5 can replace Claude Opus 5.5 (batch) when lower sample workload cost matters most: $0.35.
  • Claude Haiku Latest can replace Claude Opus 5.5 (batch) when lower sample workload cost matters most: $0.35.
  • Claude 3 Haiku can replace Claude Opus 5.5 (batch) when lower sample workload cost matters most: $0.88.
Larger context near this budget

Cheaper alternatives

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Larger context alternatives

Find models with larger context windows for RAG, long documents, and codebase review.

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Provider catalogs

Compare models within provider hubs before choosing a final API vendor.

Open provider hubs

Particle AI catalog

Review all tracked Particle AI models before deciding whether this matchup is the right shortlist.

Open Particle AI models

Anthropic catalog

Check other Anthropic models with comparable pricing, context, or release timing.

Open Anthropic models
Particle-1

Particle-1 is a token-efficient agentic coding model from Particle AI, post-trained on DeepSeek V4.1 Flash. It is suited for software engineering work such as terminal workflows, codebase changes, and data...

Claude Opus 5.5 (batch)

Claude Opus 5.5 is Anthropic's flagship model for demanding reasoning, coding, and long-horizon agentic work, succeeding Claude Opus 5. It is particularly strong at multi-step changes in large codebases, code...