LLM Reference

Claude Haiku 4.5 vs Gemini Robotics-ER 1.6 Preview

Claude Haiku 4.5 (2025) and Gemini Robotics-ER 1.6 Preview (2026) are frontier reasoning models from Anthropic and Google DeepMind. Claude Haiku 4.5 ships a 200k-token context window, while Gemini Robotics-ER 1.6 Preview ships a 128k-token context window. On pricing, Claude Haiku 4.5 costs $0.80/1M input tokens versus $1/1M for the alternative. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads.

Gemini Robotics-ER 1.6 Preview is safer overall; choose Claude Haiku 4.5 when coding workflow support matters.

Decision scorecard

Local evidence first
SignalClaude Haiku 4.5Gemini Robotics-ER 1.6 Preview
Best formultimodal apps, tool-calling agents, and provider-routed productionreasoning-heavy apps, multimodal apps, and tool-calling agents
Decision fitCoding, RAG, and AgentsRAG, Agents, and Long context
Context window200k128k
Cheapest output$4/1M tokens$5/1M tokens
Provider routes9 tracked1 tracked
Shared benchmarks0 shared0 shared

Decision tradeoffs

Choose Claude Haiku 4.5 when...
  • Claude Haiku 4.5 has the larger context window for long prompts, retrieval packs, or transcript analysis.
  • Claude Haiku 4.5 has the lower cheapest tracked output price at $4/1M tokens.
  • Claude Haiku 4.5 has broader tracked provider coverage for fallback and route flexibility.
  • Claude Haiku 4.5 uniquely exposes Code execution in local model data.
  • Local decision data tags Claude Haiku 4.5 for Coding, RAG, and Agents.
Choose Gemini Robotics-ER 1.6 Preview when...
  • Gemini Robotics-ER 1.6 Preview uniquely exposes Reasoning in local model data.
  • Local decision data tags Gemini Robotics-ER 1.6 Preview 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.

Lower estimate Claude Haiku 4.5

Claude Haiku 4.5

$1,640

Cheapest tracked route/tier: AWS Bedrock

Gemini Robotics-ER 1.6 Preview

$2,050

Cheapest tracked route/tier: Google AI Studio

Estimated monthly gap: $410. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.

Switch friction

Claude Haiku 4.5 -> Gemini Robotics-ER 1.6 Preview
  • No overlapping tracked provider route is sourced for Claude Haiku 4.5 and Gemini Robotics-ER 1.6 Preview; plan for SDK, billing, or endpoint changes.
  • Gemini Robotics-ER 1.6 Preview is $1/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
  • Check replacement coverage for Code execution before moving production traffic.
  • Gemini Robotics-ER 1.6 Preview adds Reasoning in local capability data.
Gemini Robotics-ER 1.6 Preview -> Claude Haiku 4.5
  • No overlapping tracked provider route is sourced for Gemini Robotics-ER 1.6 Preview and Claude Haiku 4.5; plan for SDK, billing, or endpoint changes.
  • Claude Haiku 4.5 is $1/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
  • Check replacement coverage for Reasoning before moving production traffic.
  • Claude Haiku 4.5 adds Code execution in local capability data.

Specs

Specification
Released2025-10-012026-04-14
Context window200k128k
Parameters——
ArchitectureDecoder OnlyDecoder Only
LicenseProprietaryProprietary
OpennessProprietaryProprietary
WeightsNot releasedNot released
CodeUnknownUnknown
Commercial useCommercial use: conditionalCommercial use: conditional
Knowledge cutoff2025-02-

Pricing and availability

Pricing attributeClaude Haiku 4.5Gemini Robotics-ER 1.6 Preview
Input price$0.80/1M tokens$1/1M tokens
Output price$4/1M tokens$5/1M tokens
Providers

Capabilities

CapabilityClaude Haiku 4.5Gemini Robotics-ER 1.6 Preview
VisionYesYes
MultimodalYesYes
ReasoningNoYes
JSON / Tool useYesYes
Structured outputsYesYes
Code executionYesNo
IDE integrationNoNo
Computer useNoNo
Parallel agentsNoNo

Benchmarks

No shared benchmark scores are currently available for this pair.

Continue comparing

Last reviewed: 2026-07-26. Data sourced from public model cards and provider documentation.